Tracy Proverbs-Singh, MD MPH

Dr. Tracy Proverbs-Singh specializes in medical oncology and is board certified. She received her medical degree from University of Pittsburgh and completed her internal medicine residency at Mount Sinai Hospital.

Medical Education: University of Pittsburgh
Residency Internship: Mount Sinai Hospital
Certification: Internal Medicine
Languages: English

Lori Ann Leslie, MD

Dr. Lori Ann Leslie specializes in hematology and medical oncology. Her specific clinical and research interests include non-Hodgkin lymphoma, Hodgkin lymphoma, and chronic lymphocytic leukemia.

Dr. Leslie received her MD from Columbia University College of Physicians and Surgeons, and stayed at Columbia University for internal medicine residency. She completed fellowship training at The University of Texas M.D. Anderson Cancer Center, where she served as Chief Fellow. Born and raised in Morristown, NJ, Dr. Leslie is ecstatic about the opportunity to return to her home state and join the John Theurer Cancer Center.

  • Medical Education: Columbia University, College of Physicians and Surgeons.
  • Internal Medicine Internship and Residency: New York Presbyterian Hospital, Columbia University.
  • Hematology/Oncology Fellowship: The University of Texas, MD Anderson Cancer Center.
  • Board Certifications/Eligibility: Hematology and Medical Oncology board eligible in 2015, Internal Medicine board certified in 2012
  • Memberships: American Society of Clinical Oncology, American Society of Hematology
  • Specializations: Lymphoma and CLL
  • Research Interests: Lymphoma and CLL
  • Languages Spoken: English

Jamie Koprivnikar, MD

Dr. Jamie Koprvinikar specializes in hematology and medical oncology and is board certified in both. She also holds a board certification in internal medicine.

Dr. Koprivnikar received her medical degree from the Sidney Kimmel Medical College, formerly Jefferson Medical College of Thomas Jefferson University, in Philadelphia, PA. She completed her internal medicine residency at MedStar Georgetown University Medical Center in Washington, DC. She then completed a fellowship in hematology and oncology, also at MedStar Georgetown University Medical Center. She was chosen to serve as chief fellow during her third and final year of fellowship.

Dr. Koprivnikar spent the early part of her career on faculty at MedStar Georgetown University Medical Center where she was active in teaching medical students, residents, and fellows. She also served as the medical co-director of the Patient Blood Management Program and was active on the institutional review board and as an investigator on many clinical trials. She is a member of the American Society of Hematology.

  • Medical Education: Sidney Kimmel Medical College, Philadelphia, PA
  • Residency: MedStar Georgetown University Medical Center, Washington, DC
  • Fellowship: MedStar Georgetown University Medical Center, Washington, DC
  • Board Certifications: Hematology, oncology, internal medicine
  • Specializations: Hematology, medical oncology
  • Research Interests: Leukemia, myelodysplastic syndrome, myeloproliferative neoplasms, aplastic anemia
  • Memberships: American Society of Hematology
  • Languages Spoken: English

Mira Hellmann, MD

Dr. Mira Hellmann specializes in Gynecologic Oncology. She treats all subtypes of gynecologic cancers including uterus, cervix, fallopian tube, ovaries, primary peritoneal, vaginal and vulvar cancer. The scope of her surgical expertise includes both traditional open surgery, as well as minimally invasive surgery. She has extensive expertise in complex laparoscopic surgery as well as robotic surgery.

Her research focus is in clinical research, including cooperative group studies, both industry-sponsored and investigator-initiated. She enjoys having the opportunity to offer patients the possibility of participating in the most cutting edge research, if they are inclined to do so.

Dr. Hellmann received her MD at SUNY Downstate in Brooklyn, and is a lifelong member of AOA. She completed her residency on Long Island Jewish Medical Center, and returned to SUNY Downstate for her fellowship training. She maintained a faculty position in central New Jersey for eight years where she developed a robust practice in a short period of time. She was active in resident and student education. She also helped spearhead a minimally invasive center that was a comprehensive resource for minimally invasive surgeons across multiple cancer specialties. She is looking forward to establishing her practice at the John Theurer Cancer Center, and to providing the highest quality of care to her patients.

Dr. Hellmann is board certified in both Obstetrics and Gynecology as well as Gynecologic Oncology.

  • Medical Education: SUNY Health Science Center at Brooklyn
  • Internship/Residency: Long Island Jewish Medical Center
  • Fellowship: SUNY Health Science Center at Brooklyn
  • Specialization: Gynecologic Oncology
  • Board Certification: Obstetrics and Gynecology, Gynecologic Oncology
  • Research Interests: Surgical innovation, clinical trials in gynecologic oncology
  • Membership: American Board of Obstetrics and Gynecology, Society of Gynecologic Oncology, Alpha Omega Alpha
  • Languages: English, Hebrew

Alan Skarbnik, MD

Alan Pierre Zausner Skarbnik, M.D. serves as a staff physician in both the Department of Bone Marrow Transplantation and the Department of Lymphoma at John Theurer Cancer Center.

Prior to joining John Theurer Cancer Center at Hackensack University Medical Center, Dr. Skarbnik was a clinical instructor in the Department of Hematology and Hematopoietic Cell Transplantation at the City of Hope National Medical Center in Duarte, California. Dr. Skarbnik also previously served as Chief Fellow of Medical Oncology and Hematology at Fox Chase Cancer Center and Temple University Hospital, and practiced at Columbia University College of Physicians and Surgeons/St. Luke’s-Roosevelt Medical Center in their internal medicine internship and residency after moving his medical career to the United States from his native Brazil.

Dr. Skarbnik has a rich research background, having served as a primary investigator at Fox Chase Cancer Center to identify biomarkers of sensitivity to mTOR inhibitors in renal cell cancer tumor samples, co-primary investigator in a Phase II study of Rituximab Intense Dosing with CHOP-21 in a 2011 ASCO/AACR workshop, and investigated the role of JAK mutations in the development of acute lymphoblastic leukemia at Memorial Sloan Kettering’s Human Oncopathogenesis Program. Dr. Skarbnik has also been extensively published and has participated in a number of presentations and poster sessions at major medical meetings.

Dr. Skarbnik specializes in hematology/oncology, and has extensive experience in a range of medical volunteer work conducted across the globe.

  • Medical Education: Universidade de Sao Paulo, Brazil
  • Residency: Columbia University College of Physicians and Surgeons/St. Luke’s-Roosevelt Medical Center, Internal Medicine Internship and Residency, 2007-2010. Hospital das Clinicas, University of Sao Paulo, Brazil, Internal Medicine Residency, 2005-2007.
  • Fellowships: City of Hope National Medical Center, Adult Hematopoietic Stem Cell Transplantation, 2013-2014. Fox Chase Cancer Center Chief Fellow 2012-2013. Fox Chase Cancer Center and Temple University Hospital, Medical Oncology and Hematology, 2010-2013.
  • Internship: Hospital das Clinicas, University of Sao Paulo, Brazil, 2002-2003.
  • Board Certifications: 2013 board-certified, American Board of Internal Medicine, Medical Oncology. 2013 board-certified, American Board of Internal Medicine, Hematology. 2010 board-certified, American Board of Internal Medicine, Internal Medicine. ACLS certification updated in 2013.
  • Honors/Awards: ASCO 2013 Merit Award. LeDor VaDor Award, presented by the President of Brazil of voluntary work. ASCO/AACR Vail Cancer Workshop selection – 2011.
  • Languages: English, Portuguese, Spanish
  • Hobbies/Interests: Multi-instrumentalist, has played in a Brazilian band

James K. McCloskey II, MD

James K. McCloskey II, M.D., works in the Division of Leukemia and the Adult Blood and Marrow Stem Cell Transplantation Program at John Theurer Cancer Center. Prior to his current position, Dr. McCloskey was a fellow in the Department of Hematology and Oncology at Georgetown University Hospital.

Dr. McCloskey has extensive research experience, serving as primary investigator in a Phase I/II non-randomized study of birinapant in combination with decitabine in patients with relapsed or refractory myelodysplastic syndrome and acute myelogenous leukemia, and was a primary investigator of cellular and molecular characterization of the immune response and minimal residual disease in patients who have completed treatment for acute myeloid leukemia. Dr. McCloskey has additionally presented a range of clinical work at major medical conferences, including MedStar Washington Hospital center multi-institutional lymphoma teleconference, Georgetown University Research Day and the Society of Comparative and Integrative Biology. Dr. McCloskey’s research has been published in the Journal of Coagulation Disorders, Advances in Clinical Oncology and Breast Cancer Research and Treatment.

Dr. McCloskey has deep roots in the philanthropic community; worked with the Lymphoma Research Foundation since 2011; and has volunteered with Food and Friends, a nonprofit that prepares and delivers meals and groceries to D.C. residents living with HIV/AIDS, cancer and other conditions since 2004.

  • Medical Education: Georgetown University School of Medicine
  • Residency: Georgetown University Hospital, Internal Medicine Resident, July 2009-2011
  • Fellowships: Chief Fellow, Department of Hematology and Oncology, Georgetown University Hospital, 2013-2014. Fellow, Department of Hematology and Oncology, Georgetown University Hospital, 2009-2013.
  • Internship: Georgetown University Hospital, Internal Medicine Intern, 2009-2011.
  • Board Certifications: 2014 board-eligible, Hematology and Oncology. 2011 board-certified, American Board of Internal Medicine.
  • Honors/Awards: Hematology Fellows Consortium Workshop, 2013. AACR/ASCO Methods of Cancer Research Workshop, 2013. Dr. Allen J. Goody Memorial Award for excellence in teaching, peer mentorship and personal integrity, Georgetown University Hospital, 2011.
  • Memberships: American Society of Clinical Oncology, American Association of Cancer Research, Housestaff Quality Council, Chemotherapy Utilization Committee, American Society of Hematology.

Samuel Singer, MD

Samuel Singer, M.D. is a neuro-oncologist at the Neurological Oncology Division – The Brain and Spine Institute at John Theurer Cancer Center. In addition to treating patients with primary brain tumors and brain metastases, he is also actively involved in research into novel therapies for these illnesses. Cancers and their treatments are frequently associated with an array of neurologic problems, including stroke, epilepsy, neuropathy and neurologic autoimmune disease, and Dr. Singer specializes in diagnosing and treating these conditions.

Prior to joining the John Theurer Cancer Center, Dr. Singer completed a fellowship in neuro-oncology at Memorial Sloan-Kettering Cancer Center and his residency in neurology at New York-Presbyterian Hospital/Weill Cornell Medical Center.

Dr. Singer is a member of the American Academy of Neurology, the American Society of Clinical Oncology and the Society for Neuro-Oncology. He is widely published in peer-reviewed journals, including Neurosurgery, Neurology, Stroke and The Oncologist.

  • Medical Education: Albert Einstein College of Medicine, Bronx, NY
  • Residency: New York-Presbyterian Hospital/Weill Cornell Medical Center, New York, NY
  • Fellowships: Memorial Sloan-Kettering Cancer Center, New York, NY
  • Board Certifications: Diplomate, American Board of Psychiatry and Neurology
  • Specializations: Neurology
  • Memberships:
    • Alpha Omega Alpha Medical Honor Society 2007
    • American Academy of Neurology, since 2009
    • American Society Clinical Oncology, since 2012
    • Society for Neuro-Oncology, since 2012
  • Languages Spoken: English, Hebrew

Noa Biran, MD

Noa Biran, MD, joined the Myeloma Division at John Theurer Cancer Center in September 2014.

Dr. Biran previously served as Chief Fellow of Hematology and Medical Oncology at Icahn School of Medicine at Mount Sinai, New York, where she also practiced in their internal medicine internship and residency. She received her medical degree from The George Washington University in Washington, D.C. As a fellow at Icahn School of Medicine, Dr. Biran participated in numerous lecture series and training sessions for medical students, residents, and nurse practitioners.

Dr. Biran is actively involved with clinical research focusing on multiple myeloma. She has presented a range of clinical work at international and national conferences such as the American Society of Hematology and the Society of Hematologic Oncology. She is widely published in hematology and oncology journals such as American Journal of Hematology, Current Hematologic Malignancy Reports, and The Hemophilia Report, with a research focus on high-risk multiple myeloma and the role of minimal residual disease in multiple myeloma. She has also co-authored a chapter in Essentials of Hospital Medicine: A Practical Guide for Clinicians, entitled “Oncologic Emergencies.” She is an active and valued member of the European Society for Medical Oncology, American Society of Clinical Oncology and American Society of Hematology.

Robert S. Alter, MD

Dr. Robert Alter specializes in medical oncology and hematology, and is board certified in internal medicine, medical oncology and hematology. For more than 15 years, Dr. Alter has been treating patients in the New Jersey community. Dr. Alter is actively involved in genitourinary and head and neck cancer research.

Dr. Alter received his medical degree from the University of Health Sciences/The Chicago Medical School. He completed his residency at St. Luke’s/Roosevelt Hospital Center, New York, New York in internal medicine and received his fellowship training at New York University Medical Center in hematology/oncology.

Dr. Alter holds an appointment at Hackensack University Medical Center. He is also the Chairman of the Transfusion Committee at St. Clare’s Hospital, and a member of the American Cancer Society.

Tracy Proverbs-Singh, MD MPH

Dr. Tracy Proverbs-Singh specializes in medical oncology and is board certified. She received her medical degree from University of Pittsburgh and completed her internal medicine residency at Mount Sinai Hospital.

Medical Education: University of Pittsburgh
Residency Internship: Mount Sinai Hospital
Certification: Internal Medicine
Languages: English

Lori Ann Leslie, MD

Dr. Lori Ann Leslie specializes in hematology and medical oncology. Her specific clinical and research interests include non-Hodgkin lymphoma, Hodgkin lymphoma, and chronic lymphocytic leukemia.

Dr. Leslie received her MD from Columbia University College of Physicians and Surgeons, and stayed at Columbia University for internal medicine residency. She completed fellowship training at The University of Texas M.D. Anderson Cancer Center, where she served as Chief Fellow. Born and raised in Morristown, NJ, Dr. Leslie is ecstatic about the opportunity to return to her home state and join the John Theurer Cancer Center.

  • Medical Education: Columbia University, College of Physicians and Surgeons.
  • Internal Medicine Internship and Residency: New York Presbyterian Hospital, Columbia University.
  • Hematology/Oncology Fellowship: The University of Texas, MD Anderson Cancer Center.
  • Board Certifications/Eligibility: Hematology and Medical Oncology board eligible in 2015, Internal Medicine board certified in 2012
  • Memberships: American Society of Clinical Oncology, American Society of Hematology
  • Specializations: Lymphoma and CLL
  • Research Interests: Lymphoma and CLL
  • Languages Spoken: English

Jamie Koprivnikar, MD

Dr. Jamie Koprvinikar specializes in hematology and medical oncology and is board certified in both. She also holds a board certification in internal medicine.

Dr. Koprivnikar received her medical degree from the Sidney Kimmel Medical College, formerly Jefferson Medical College of Thomas Jefferson University, in Philadelphia, PA. She completed her internal medicine residency at MedStar Georgetown University Medical Center in Washington, DC. She then completed a fellowship in hematology and oncology, also at MedStar Georgetown University Medical Center. She was chosen to serve as chief fellow during her third and final year of fellowship.

Dr. Koprivnikar spent the early part of her career on faculty at MedStar Georgetown University Medical Center where she was active in teaching medical students, residents, and fellows. She also served as the medical co-director of the Patient Blood Management Program and was active on the institutional review board and as an investigator on many clinical trials. She is a member of the American Society of Hematology.

  • Medical Education: Sidney Kimmel Medical College, Philadelphia, PA
  • Residency: MedStar Georgetown University Medical Center, Washington, DC
  • Fellowship: MedStar Georgetown University Medical Center, Washington, DC
  • Board Certifications: Hematology, oncology, internal medicine
  • Specializations: Hematology, medical oncology
  • Research Interests: Leukemia, myelodysplastic syndrome, myeloproliferative neoplasms, aplastic anemia
  • Memberships: American Society of Hematology
  • Languages Spoken: English

Mira Hellmann, MD

Dr. Mira Hellmann specializes in Gynecologic Oncology. She treats all subtypes of gynecologic cancers including uterus, cervix, fallopian tube, ovaries, primary peritoneal, vaginal and vulvar cancer. The scope of her surgical expertise includes both traditional open surgery, as well as minimally invasive surgery. She has extensive expertise in complex laparoscopic surgery as well as robotic surgery.

Her research focus is in clinical research, including cooperative group studies, both industry-sponsored and investigator-initiated. She enjoys having the opportunity to offer patients the possibility of participating in the most cutting edge research, if they are inclined to do so.

Dr. Hellmann received her MD at SUNY Downstate in Brooklyn, and is a lifelong member of AOA. She completed her residency on Long Island Jewish Medical Center, and returned to SUNY Downstate for her fellowship training. She maintained a faculty position in central New Jersey for eight years where she developed a robust practice in a short period of time. She was active in resident and student education. She also helped spearhead a minimally invasive center that was a comprehensive resource for minimally invasive surgeons across multiple cancer specialties. She is looking forward to establishing her practice at the John Theurer Cancer Center, and to providing the highest quality of care to her patients.

Dr. Hellmann is board certified in both Obstetrics and Gynecology as well as Gynecologic Oncology.

  • Medical Education: SUNY Health Science Center at Brooklyn
  • Internship/Residency: Long Island Jewish Medical Center
  • Fellowship: SUNY Health Science Center at Brooklyn
  • Specialization: Gynecologic Oncology
  • Board Certification: Obstetrics and Gynecology, Gynecologic Oncology
  • Research Interests: Surgical innovation, clinical trials in gynecologic oncology
  • Membership: American Board of Obstetrics and Gynecology, Society of Gynecologic Oncology, Alpha Omega Alpha
  • Languages: English, Hebrew

Alan Skarbnik, MD

Alan Pierre Zausner Skarbnik, M.D. serves as a staff physician in both the Department of Bone Marrow Transplantation and the Department of Lymphoma at John Theurer Cancer Center.

Prior to joining John Theurer Cancer Center at Hackensack University Medical Center, Dr. Skarbnik was a clinical instructor in the Department of Hematology and Hematopoietic Cell Transplantation at the City of Hope National Medical Center in Duarte, California. Dr. Skarbnik also previously served as Chief Fellow of Medical Oncology and Hematology at Fox Chase Cancer Center and Temple University Hospital, and practiced at Columbia University College of Physicians and Surgeons/St. Luke’s-Roosevelt Medical Center in their internal medicine internship and residency after moving his medical career to the United States from his native Brazil.

Dr. Skarbnik has a rich research background, having served as a primary investigator at Fox Chase Cancer Center to identify biomarkers of sensitivity to mTOR inhibitors in renal cell cancer tumor samples, co-primary investigator in a Phase II study of Rituximab Intense Dosing with CHOP-21 in a 2011 ASCO/AACR workshop, and investigated the role of JAK mutations in the development of acute lymphoblastic leukemia at Memorial Sloan Kettering’s Human Oncopathogenesis Program. Dr. Skarbnik has also been extensively published and has participated in a number of presentations and poster sessions at major medical meetings.

Dr. Skarbnik specializes in hematology/oncology, and has extensive experience in a range of medical volunteer work conducted across the globe.

  • Medical Education: Universidade de Sao Paulo, Brazil
  • Residency: Columbia University College of Physicians and Surgeons/St. Luke’s-Roosevelt Medical Center, Internal Medicine Internship and Residency, 2007-2010. Hospital das Clinicas, University of Sao Paulo, Brazil, Internal Medicine Residency, 2005-2007.
  • Fellowships: City of Hope National Medical Center, Adult Hematopoietic Stem Cell Transplantation, 2013-2014. Fox Chase Cancer Center Chief Fellow 2012-2013. Fox Chase Cancer Center and Temple University Hospital, Medical Oncology and Hematology, 2010-2013.
  • Internship: Hospital das Clinicas, University of Sao Paulo, Brazil, 2002-2003.
  • Board Certifications: 2013 board-certified, American Board of Internal Medicine, Medical Oncology. 2013 board-certified, American Board of Internal Medicine, Hematology. 2010 board-certified, American Board of Internal Medicine, Internal Medicine. ACLS certification updated in 2013.
  • Honors/Awards: ASCO 2013 Merit Award. LeDor VaDor Award, presented by the President of Brazil of voluntary work. ASCO/AACR Vail Cancer Workshop selection – 2011.
  • Languages: English, Portuguese, Spanish
  • Hobbies/Interests: Multi-instrumentalist, has played in a Brazilian band

James K. McCloskey II, MD

James K. McCloskey II, M.D., works in the Division of Leukemia and the Adult Blood and Marrow Stem Cell Transplantation Program at John Theurer Cancer Center. Prior to his current position, Dr. McCloskey was a fellow in the Department of Hematology and Oncology at Georgetown University Hospital.

Dr. McCloskey has extensive research experience, serving as primary investigator in a Phase I/II non-randomized study of birinapant in combination with decitabine in patients with relapsed or refractory myelodysplastic syndrome and acute myelogenous leukemia, and was a primary investigator of cellular and molecular characterization of the immune response and minimal residual disease in patients who have completed treatment for acute myeloid leukemia. Dr. McCloskey has additionally presented a range of clinical work at major medical conferences, including MedStar Washington Hospital center multi-institutional lymphoma teleconference, Georgetown University Research Day and the Society of Comparative and Integrative Biology. Dr. McCloskey’s research has been published in the Journal of Coagulation Disorders, Advances in Clinical Oncology and Breast Cancer Research and Treatment.

Dr. McCloskey has deep roots in the philanthropic community; worked with the Lymphoma Research Foundation since 2011; and has volunteered with Food and Friends, a nonprofit that prepares and delivers meals and groceries to D.C. residents living with HIV/AIDS, cancer and other conditions since 2004.

  • Medical Education: Georgetown University School of Medicine
  • Residency: Georgetown University Hospital, Internal Medicine Resident, July 2009-2011
  • Fellowships: Chief Fellow, Department of Hematology and Oncology, Georgetown University Hospital, 2013-2014. Fellow, Department of Hematology and Oncology, Georgetown University Hospital, 2009-2013.
  • Internship: Georgetown University Hospital, Internal Medicine Intern, 2009-2011.
  • Board Certifications: 2014 board-eligible, Hematology and Oncology. 2011 board-certified, American Board of Internal Medicine.
  • Honors/Awards: Hematology Fellows Consortium Workshop, 2013. AACR/ASCO Methods of Cancer Research Workshop, 2013. Dr. Allen J. Goody Memorial Award for excellence in teaching, peer mentorship and personal integrity, Georgetown University Hospital, 2011.
  • Memberships: American Society of Clinical Oncology, American Association of Cancer Research, Housestaff Quality Council, Chemotherapy Utilization Committee, American Society of Hematology.

Samuel Singer, MD

Samuel Singer, M.D. is a neuro-oncologist at the Neurological Oncology Division – The Brain and Spine Institute at John Theurer Cancer Center. In addition to treating patients with primary brain tumors and brain metastases, he is also actively involved in research into novel therapies for these illnesses. Cancers and their treatments are frequently associated with an array of neurologic problems, including stroke, epilepsy, neuropathy and neurologic autoimmune disease, and Dr. Singer specializes in diagnosing and treating these conditions.

Prior to joining the John Theurer Cancer Center, Dr. Singer completed a fellowship in neuro-oncology at Memorial Sloan-Kettering Cancer Center and his residency in neurology at New York-Presbyterian Hospital/Weill Cornell Medical Center.

Dr. Singer is a member of the American Academy of Neurology, the American Society of Clinical Oncology and the Society for Neuro-Oncology. He is widely published in peer-reviewed journals, including Neurosurgery, Neurology, Stroke and The Oncologist.

  • Medical Education: Albert Einstein College of Medicine, Bronx, NY
  • Residency: New York-Presbyterian Hospital/Weill Cornell Medical Center, New York, NY
  • Fellowships: Memorial Sloan-Kettering Cancer Center, New York, NY
  • Board Certifications: Diplomate, American Board of Psychiatry and Neurology
  • Specializations: Neurology
  • Memberships:
    • Alpha Omega Alpha Medical Honor Society 2007
    • American Academy of Neurology, since 2009
    • American Society Clinical Oncology, since 2012
    • Society for Neuro-Oncology, since 2012
  • Languages Spoken: English, Hebrew

Noa Biran, MD

Noa Biran, MD, joined the Myeloma Division at John Theurer Cancer Center in September 2014.

Dr. Biran previously served as Chief Fellow of Hematology and Medical Oncology at Icahn School of Medicine at Mount Sinai, New York, where she also practiced in their internal medicine internship and residency. She received her medical degree from The George Washington University in Washington, D.C. As a fellow at Icahn School of Medicine, Dr. Biran participated in numerous lecture series and training sessions for medical students, residents, and nurse practitioners.

Dr. Biran is actively involved with clinical research focusing on multiple myeloma. She has presented a range of clinical work at international and national conferences such as the American Society of Hematology and the Society of Hematologic Oncology. She is widely published in hematology and oncology journals such as American Journal of Hematology, Current Hematologic Malignancy Reports, and The Hemophilia Report, with a research focus on high-risk multiple myeloma and the role of minimal residual disease in multiple myeloma. She has also co-authored a chapter in Essentials of Hospital Medicine: A Practical Guide for Clinicians, entitled “Oncologic Emergencies.” She is an active and valued member of the European Society for Medical Oncology, American Society of Clinical Oncology and American Society of Hematology.

Robert S. Alter, MD

Dr. Robert Alter specializes in medical oncology and hematology, and is board certified in internal medicine, medical oncology and hematology. For more than 15 years, Dr. Alter has been treating patients in the New Jersey community. Dr. Alter is actively involved in genitourinary and head and neck cancer research.

Dr. Alter received his medical degree from the University of Health Sciences/The Chicago Medical School. He completed his residency at St. Luke’s/Roosevelt Hospital Center, New York, New York in internal medicine and received his fellowship training at New York University Medical Center in hematology/oncology.

Dr. Alter holds an appointment at Hackensack University Medical Center. He is also the Chairman of the Transfusion Committee at St. Clare’s Hospital, and a member of the American Cancer Society.

Tracy Proverbs-Singh, MD MPH

Dr. Tracy Proverbs-Singh specializes in medical oncology and is board certified. She received her medical degree from University of Pittsburgh and completed her internal medicine residency at Mount Sinai Hospital.

Medical Education: University of Pittsburgh
Residency Internship: Mount Sinai Hospital
Certification: Internal Medicine
Languages: English

Lori Ann Leslie, MD

Dr. Lori Ann Leslie specializes in hematology and medical oncology. Her specific clinical and research interests include non-Hodgkin lymphoma, Hodgkin lymphoma, and chronic lymphocytic leukemia.

Dr. Leslie received her MD from Columbia University College of Physicians and Surgeons, and stayed at Columbia University for internal medicine residency. She completed fellowship training at The University of Texas M.D. Anderson Cancer Center, where she served as Chief Fellow. Born and raised in Morristown, NJ, Dr. Leslie is ecstatic about the opportunity to return to her home state and join the John Theurer Cancer Center.

  • Medical Education: Columbia University, College of Physicians and Surgeons.
  • Internal Medicine Internship and Residency: New York Presbyterian Hospital, Columbia University.
  • Hematology/Oncology Fellowship: The University of Texas, MD Anderson Cancer Center.
  • Board Certifications/Eligibility: Hematology and Medical Oncology board eligible in 2015, Internal Medicine board certified in 2012
  • Memberships: American Society of Clinical Oncology, American Society of Hematology
  • Specializations: Lymphoma and CLL
  • Research Interests: Lymphoma and CLL
  • Languages Spoken: English

Jamie Koprivnikar, MD

Dr. Jamie Koprvinikar specializes in hematology and medical oncology and is board certified in both. She also holds a board certification in internal medicine.

Dr. Koprivnikar received her medical degree from the Sidney Kimmel Medical College, formerly Jefferson Medical College of Thomas Jefferson University, in Philadelphia, PA. She completed her internal medicine residency at MedStar Georgetown University Medical Center in Washington, DC. She then completed a fellowship in hematology and oncology, also at MedStar Georgetown University Medical Center. She was chosen to serve as chief fellow during her third and final year of fellowship.

Dr. Koprivnikar spent the early part of her career on faculty at MedStar Georgetown University Medical Center where she was active in teaching medical students, residents, and fellows. She also served as the medical co-director of the Patient Blood Management Program and was active on the institutional review board and as an investigator on many clinical trials. She is a member of the American Society of Hematology.

  • Medical Education: Sidney Kimmel Medical College, Philadelphia, PA
  • Residency: MedStar Georgetown University Medical Center, Washington, DC
  • Fellowship: MedStar Georgetown University Medical Center, Washington, DC
  • Board Certifications: Hematology, oncology, internal medicine
  • Specializations: Hematology, medical oncology
  • Research Interests: Leukemia, myelodysplastic syndrome, myeloproliferative neoplasms, aplastic anemia
  • Memberships: American Society of Hematology
  • Languages Spoken: English

Mira Hellmann, MD

Dr. Mira Hellmann specializes in Gynecologic Oncology. She treats all subtypes of gynecologic cancers including uterus, cervix, fallopian tube, ovaries, primary peritoneal, vaginal and vulvar cancer. The scope of her surgical expertise includes both traditional open surgery, as well as minimally invasive surgery. She has extensive expertise in complex laparoscopic surgery as well as robotic surgery.

Her research focus is in clinical research, including cooperative group studies, both industry-sponsored and investigator-initiated. She enjoys having the opportunity to offer patients the possibility of participating in the most cutting edge research, if they are inclined to do so.

Dr. Hellmann received her MD at SUNY Downstate in Brooklyn, and is a lifelong member of AOA. She completed her residency on Long Island Jewish Medical Center, and returned to SUNY Downstate for her fellowship training. She maintained a faculty position in central New Jersey for eight years where she developed a robust practice in a short period of time. She was active in resident and student education. She also helped spearhead a minimally invasive center that was a comprehensive resource for minimally invasive surgeons across multiple cancer specialties. She is looking forward to establishing her practice at the John Theurer Cancer Center, and to providing the highest quality of care to her patients.

Dr. Hellmann is board certified in both Obstetrics and Gynecology as well as Gynecologic Oncology.

  • Medical Education: SUNY Health Science Center at Brooklyn
  • Internship/Residency: Long Island Jewish Medical Center
  • Fellowship: SUNY Health Science Center at Brooklyn
  • Specialization: Gynecologic Oncology
  • Board Certification: Obstetrics and Gynecology, Gynecologic Oncology
  • Research Interests: Surgical innovation, clinical trials in gynecologic oncology
  • Membership: American Board of Obstetrics and Gynecology, Society of Gynecologic Oncology, Alpha Omega Alpha
  • Languages: English, Hebrew

Alan Skarbnik, MD

Alan Pierre Zausner Skarbnik, M.D. serves as a staff physician in both the Department of Bone Marrow Transplantation and the Department of Lymphoma at John Theurer Cancer Center.

Prior to joining John Theurer Cancer Center at Hackensack University Medical Center, Dr. Skarbnik was a clinical instructor in the Department of Hematology and Hematopoietic Cell Transplantation at the City of Hope National Medical Center in Duarte, California. Dr. Skarbnik also previously served as Chief Fellow of Medical Oncology and Hematology at Fox Chase Cancer Center and Temple University Hospital, and practiced at Columbia University College of Physicians and Surgeons/St. Luke’s-Roosevelt Medical Center in their internal medicine internship and residency after moving his medical career to the United States from his native Brazil.

Dr. Skarbnik has a rich research background, having served as a primary investigator at Fox Chase Cancer Center to identify biomarkers of sensitivity to mTOR inhibitors in renal cell cancer tumor samples, co-primary investigator in a Phase II study of Rituximab Intense Dosing with CHOP-21 in a 2011 ASCO/AACR workshop, and investigated the role of JAK mutations in the development of acute lymphoblastic leukemia at Memorial Sloan Kettering’s Human Oncopathogenesis Program. Dr. Skarbnik has also been extensively published and has participated in a number of presentations and poster sessions at major medical meetings.

Dr. Skarbnik specializes in hematology/oncology, and has extensive experience in a range of medical volunteer work conducted across the globe.

  • Medical Education: Universidade de Sao Paulo, Brazil
  • Residency: Columbia University College of Physicians and Surgeons/St. Luke’s-Roosevelt Medical Center, Internal Medicine Internship and Residency, 2007-2010. Hospital das Clinicas, University of Sao Paulo, Brazil, Internal Medicine Residency, 2005-2007.
  • Fellowships: City of Hope National Medical Center, Adult Hematopoietic Stem Cell Transplantation, 2013-2014. Fox Chase Cancer Center Chief Fellow 2012-2013. Fox Chase Cancer Center and Temple University Hospital, Medical Oncology and Hematology, 2010-2013.
  • Internship: Hospital das Clinicas, University of Sao Paulo, Brazil, 2002-2003.
  • Board Certifications: 2013 board-certified, American Board of Internal Medicine, Medical Oncology. 2013 board-certified, American Board of Internal Medicine, Hematology. 2010 board-certified, American Board of Internal Medicine, Internal Medicine. ACLS certification updated in 2013.
  • Honors/Awards: ASCO 2013 Merit Award. LeDor VaDor Award, presented by the President of Brazil of voluntary work. ASCO/AACR Vail Cancer Workshop selection – 2011.
  • Languages: English, Portuguese, Spanish
  • Hobbies/Interests: Multi-instrumentalist, has played in a Brazilian band

James K. McCloskey II, MD

James K. McCloskey II, M.D., works in the Division of Leukemia and the Adult Blood and Marrow Stem Cell Transplantation Program at John Theurer Cancer Center. Prior to his current position, Dr. McCloskey was a fellow in the Department of Hematology and Oncology at Georgetown University Hospital.

Dr. McCloskey has extensive research experience, serving as primary investigator in a Phase I/II non-randomized study of birinapant in combination with decitabine in patients with relapsed or refractory myelodysplastic syndrome and acute myelogenous leukemia, and was a primary investigator of cellular and molecular characterization of the immune response and minimal residual disease in patients who have completed treatment for acute myeloid leukemia. Dr. McCloskey has additionally presented a range of clinical work at major medical conferences, including MedStar Washington Hospital center multi-institutional lymphoma teleconference, Georgetown University Research Day and the Society of Comparative and Integrative Biology. Dr. McCloskey’s research has been published in the Journal of Coagulation Disorders, Advances in Clinical Oncology and Breast Cancer Research and Treatment.

Dr. McCloskey has deep roots in the philanthropic community; worked with the Lymphoma Research Foundation since 2011; and has volunteered with Food and Friends, a nonprofit that prepares and delivers meals and groceries to D.C. residents living with HIV/AIDS, cancer and other conditions since 2004.

  • Medical Education: Georgetown University School of Medicine
  • Residency: Georgetown University Hospital, Internal Medicine Resident, July 2009-2011
  • Fellowships: Chief Fellow, Department of Hematology and Oncology, Georgetown University Hospital, 2013-2014. Fellow, Department of Hematology and Oncology, Georgetown University Hospital, 2009-2013.
  • Internship: Georgetown University Hospital, Internal Medicine Intern, 2009-2011.
  • Board Certifications: 2014 board-eligible, Hematology and Oncology. 2011 board-certified, American Board of Internal Medicine.
  • Honors/Awards: Hematology Fellows Consortium Workshop, 2013. AACR/ASCO Methods of Cancer Research Workshop, 2013. Dr. Allen J. Goody Memorial Award for excellence in teaching, peer mentorship and personal integrity, Georgetown University Hospital, 2011.
  • Memberships: American Society of Clinical Oncology, American Association of Cancer Research, Housestaff Quality Council, Chemotherapy Utilization Committee, American Society of Hematology.

Samuel Singer, MD

Samuel Singer, M.D. is a neuro-oncologist at the Neurological Oncology Division – The Brain and Spine Institute at John Theurer Cancer Center. In addition to treating patients with primary brain tumors and brain metastases, he is also actively involved in research into novel therapies for these illnesses. Cancers and their treatments are frequently associated with an array of neurologic problems, including stroke, epilepsy, neuropathy and neurologic autoimmune disease, and Dr. Singer specializes in diagnosing and treating these conditions.

Prior to joining the John Theurer Cancer Center, Dr. Singer completed a fellowship in neuro-oncology at Memorial Sloan-Kettering Cancer Center and his residency in neurology at New York-Presbyterian Hospital/Weill Cornell Medical Center.

Dr. Singer is a member of the American Academy of Neurology, the American Society of Clinical Oncology and the Society for Neuro-Oncology. He is widely published in peer-reviewed journals, including Neurosurgery, Neurology, Stroke and The Oncologist.

  • Medical Education: Albert Einstein College of Medicine, Bronx, NY
  • Residency: New York-Presbyterian Hospital/Weill Cornell Medical Center, New York, NY
  • Fellowships: Memorial Sloan-Kettering Cancer Center, New York, NY
  • Board Certifications: Diplomate, American Board of Psychiatry and Neurology
  • Specializations: Neurology
  • Memberships:
    • Alpha Omega Alpha Medical Honor Society 2007
    • American Academy of Neurology, since 2009
    • American Society Clinical Oncology, since 2012
    • Society for Neuro-Oncology, since 2012
  • Languages Spoken: English, Hebrew

Noa Biran, MD

Noa Biran, MD, joined the Myeloma Division at John Theurer Cancer Center in September 2014.

Dr. Biran previously served as Chief Fellow of Hematology and Medical Oncology at Icahn School of Medicine at Mount Sinai, New York, where she also practiced in their internal medicine internship and residency. She received her medical degree from The George Washington University in Washington, D.C. As a fellow at Icahn School of Medicine, Dr. Biran participated in numerous lecture series and training sessions for medical students, residents, and nurse practitioners.

Dr. Biran is actively involved with clinical research focusing on multiple myeloma. She has presented a range of clinical work at international and national conferences such as the American Society of Hematology and the Society of Hematologic Oncology. She is widely published in hematology and oncology journals such as American Journal of Hematology, Current Hematologic Malignancy Reports, and The Hemophilia Report, with a research focus on high-risk multiple myeloma and the role of minimal residual disease in multiple myeloma. She has also co-authored a chapter in Essentials of Hospital Medicine: A Practical Guide for Clinicians, entitled “Oncologic Emergencies.” She is an active and valued member of the European Society for Medical Oncology, American Society of Clinical Oncology and American Society of Hematology.

Robert S. Alter, MD

Dr. Robert Alter specializes in medical oncology and hematology, and is board certified in internal medicine, medical oncology and hematology. For more than 15 years, Dr. Alter has been treating patients in the New Jersey community. Dr. Alter is actively involved in genitourinary and head and neck cancer research.

Dr. Alter received his medical degree from the University of Health Sciences/The Chicago Medical School. He completed his residency at St. Luke’s/Roosevelt Hospital Center, New York, New York in internal medicine and received his fellowship training at New York University Medical Center in hematology/oncology.

Dr. Alter holds an appointment at Hackensack University Medical Center. He is also the Chairman of the Transfusion Committee at St. Clare’s Hospital, and a member of the American Cancer Society.

Tracy Proverbs-Singh, MD MPH

Dr. Tracy Proverbs-Singh specializes in medical oncology and is board certified. She received her medical degree from University of Pittsburgh and completed her internal medicine residency at Mount Sinai Hospital.

Medical Education: University of Pittsburgh
Residency Internship: Mount Sinai Hospital
Certification: Internal Medicine
Languages: English

Lori Ann Leslie, MD

Dr. Lori Ann Leslie specializes in hematology and medical oncology. Her specific clinical and research interests include non-Hodgkin lymphoma, Hodgkin lymphoma, and chronic lymphocytic leukemia.

Dr. Leslie received her MD from Columbia University College of Physicians and Surgeons, and stayed at Columbia University for internal medicine residency. She completed fellowship training at The University of Texas M.D. Anderson Cancer Center, where she served as Chief Fellow. Born and raised in Morristown, NJ, Dr. Leslie is ecstatic about the opportunity to return to her home state and join the John Theurer Cancer Center.

  • Medical Education: Columbia University, College of Physicians and Surgeons.
  • Internal Medicine Internship and Residency: New York Presbyterian Hospital, Columbia University.
  • Hematology/Oncology Fellowship: The University of Texas, MD Anderson Cancer Center.
  • Board Certifications/Eligibility: Hematology and Medical Oncology board eligible in 2015, Internal Medicine board certified in 2012
  • Memberships: American Society of Clinical Oncology, American Society of Hematology
  • Specializations: Lymphoma and CLL
  • Research Interests: Lymphoma and CLL
  • Languages Spoken: English

Jamie Koprivnikar, MD

Dr. Jamie Koprvinikar specializes in hematology and medical oncology and is board certified in both. She also holds a board certification in internal medicine.

Dr. Koprivnikar received her medical degree from the Sidney Kimmel Medical College, formerly Jefferson Medical College of Thomas Jefferson University, in Philadelphia, PA. She completed her internal medicine residency at MedStar Georgetown University Medical Center in Washington, DC. She then completed a fellowship in hematology and oncology, also at MedStar Georgetown University Medical Center. She was chosen to serve as chief fellow during her third and final year of fellowship.

Dr. Koprivnikar spent the early part of her career on faculty at MedStar Georgetown University Medical Center where she was active in teaching medical students, residents, and fellows. She also served as the medical co-director of the Patient Blood Management Program and was active on the institutional review board and as an investigator on many clinical trials. She is a member of the American Society of Hematology.

  • Medical Education: Sidney Kimmel Medical College, Philadelphia, PA
  • Residency: MedStar Georgetown University Medical Center, Washington, DC
  • Fellowship: MedStar Georgetown University Medical Center, Washington, DC
  • Board Certifications: Hematology, oncology, internal medicine
  • Specializations: Hematology, medical oncology
  • Research Interests: Leukemia, myelodysplastic syndrome, myeloproliferative neoplasms, aplastic anemia
  • Memberships: American Society of Hematology
  • Languages Spoken: English

Mira Hellmann, MD

Dr. Mira Hellmann specializes in Gynecologic Oncology. She treats all subtypes of gynecologic cancers including uterus, cervix, fallopian tube, ovaries, primary peritoneal, vaginal and vulvar cancer. The scope of her surgical expertise includes both traditional open surgery, as well as minimally invasive surgery. She has extensive expertise in complex laparoscopic surgery as well as robotic surgery.

Her research focus is in clinical research, including cooperative group studies, both industry-sponsored and investigator-initiated. She enjoys having the opportunity to offer patients the possibility of participating in the most cutting edge research, if they are inclined to do so.

Dr. Hellmann received her MD at SUNY Downstate in Brooklyn, and is a lifelong member of AOA. She completed her residency on Long Island Jewish Medical Center, and returned to SUNY Downstate for her fellowship training. She maintained a faculty position in central New Jersey for eight years where she developed a robust practice in a short period of time. She was active in resident and student education. She also helped spearhead a minimally invasive center that was a comprehensive resource for minimally invasive surgeons across multiple cancer specialties. She is looking forward to establishing her practice at the John Theurer Cancer Center, and to providing the highest quality of care to her patients.

Dr. Hellmann is board certified in both Obstetrics and Gynecology as well as Gynecologic Oncology.

  • Medical Education: SUNY Health Science Center at Brooklyn
  • Internship/Residency: Long Island Jewish Medical Center
  • Fellowship: SUNY Health Science Center at Brooklyn
  • Specialization: Gynecologic Oncology
  • Board Certification: Obstetrics and Gynecology, Gynecologic Oncology
  • Research Interests: Surgical innovation, clinical trials in gynecologic oncology
  • Membership: American Board of Obstetrics and Gynecology, Society of Gynecologic Oncology, Alpha Omega Alpha
  • Languages: English, Hebrew

Alan Skarbnik, MD

Alan Pierre Zausner Skarbnik, M.D. serves as a staff physician in both the Department of Bone Marrow Transplantation and the Department of Lymphoma at John Theurer Cancer Center.

Prior to joining John Theurer Cancer Center at Hackensack University Medical Center, Dr. Skarbnik was a clinical instructor in the Department of Hematology and Hematopoietic Cell Transplantation at the City of Hope National Medical Center in Duarte, California. Dr. Skarbnik also previously served as Chief Fellow of Medical Oncology and Hematology at Fox Chase Cancer Center and Temple University Hospital, and practiced at Columbia University College of Physicians and Surgeons/St. Luke’s-Roosevelt Medical Center in their internal medicine internship and residency after moving his medical career to the United States from his native Brazil.

Dr. Skarbnik has a rich research background, having served as a primary investigator at Fox Chase Cancer Center to identify biomarkers of sensitivity to mTOR inhibitors in renal cell cancer tumor samples, co-primary investigator in a Phase II study of Rituximab Intense Dosing with CHOP-21 in a 2011 ASCO/AACR workshop, and investigated the role of JAK mutations in the development of acute lymphoblastic leukemia at Memorial Sloan Kettering’s Human Oncopathogenesis Program. Dr. Skarbnik has also been extensively published and has participated in a number of presentations and poster sessions at major medical meetings.

Dr. Skarbnik specializes in hematology/oncology, and has extensive experience in a range of medical volunteer work conducted across the globe.

  • Medical Education: Universidade de Sao Paulo, Brazil
  • Residency: Columbia University College of Physicians and Surgeons/St. Luke’s-Roosevelt Medical Center, Internal Medicine Internship and Residency, 2007-2010. Hospital das Clinicas, University of Sao Paulo, Brazil, Internal Medicine Residency, 2005-2007.
  • Fellowships: City of Hope National Medical Center, Adult Hematopoietic Stem Cell Transplantation, 2013-2014. Fox Chase Cancer Center Chief Fellow 2012-2013. Fox Chase Cancer Center and Temple University Hospital, Medical Oncology and Hematology, 2010-2013.
  • Internship: Hospital das Clinicas, University of Sao Paulo, Brazil, 2002-2003.
  • Board Certifications: 2013 board-certified, American Board of Internal Medicine, Medical Oncology. 2013 board-certified, American Board of Internal Medicine, Hematology. 2010 board-certified, American Board of Internal Medicine, Internal Medicine. ACLS certification updated in 2013.
  • Honors/Awards: ASCO 2013 Merit Award. LeDor VaDor Award, presented by the President of Brazil of voluntary work. ASCO/AACR Vail Cancer Workshop selection – 2011.
  • Languages: English, Portuguese, Spanish
  • Hobbies/Interests: Multi-instrumentalist, has played in a Brazilian band

James K. McCloskey II, MD

James K. McCloskey II, M.D., works in the Division of Leukemia and the Adult Blood and Marrow Stem Cell Transplantation Program at John Theurer Cancer Center. Prior to his current position, Dr. McCloskey was a fellow in the Department of Hematology and Oncology at Georgetown University Hospital.

Dr. McCloskey has extensive research experience, serving as primary investigator in a Phase I/II non-randomized study of birinapant in combination with decitabine in patients with relapsed or refractory myelodysplastic syndrome and acute myelogenous leukemia, and was a primary investigator of cellular and molecular characterization of the immune response and minimal residual disease in patients who have completed treatment for acute myeloid leukemia. Dr. McCloskey has additionally presented a range of clinical work at major medical conferences, including MedStar Washington Hospital center multi-institutional lymphoma teleconference, Georgetown University Research Day and the Society of Comparative and Integrative Biology. Dr. McCloskey’s research has been published in the Journal of Coagulation Disorders, Advances in Clinical Oncology and Breast Cancer Research and Treatment.

Dr. McCloskey has deep roots in the philanthropic community; worked with the Lymphoma Research Foundation since 2011; and has volunteered with Food and Friends, a nonprofit that prepares and delivers meals and groceries to D.C. residents living with HIV/AIDS, cancer and other conditions since 2004.

  • Medical Education: Georgetown University School of Medicine
  • Residency: Georgetown University Hospital, Internal Medicine Resident, July 2009-2011
  • Fellowships: Chief Fellow, Department of Hematology and Oncology, Georgetown University Hospital, 2013-2014. Fellow, Department of Hematology and Oncology, Georgetown University Hospital, 2009-2013.
  • Internship: Georgetown University Hospital, Internal Medicine Intern, 2009-2011.
  • Board Certifications: 2014 board-eligible, Hematology and Oncology. 2011 board-certified, American Board of Internal Medicine.
  • Honors/Awards: Hematology Fellows Consortium Workshop, 2013. AACR/ASCO Methods of Cancer Research Workshop, 2013. Dr. Allen J. Goody Memorial Award for excellence in teaching, peer mentorship and personal integrity, Georgetown University Hospital, 2011.
  • Memberships: American Society of Clinical Oncology, American Association of Cancer Research, Housestaff Quality Council, Chemotherapy Utilization Committee, American Society of Hematology.

Samuel Singer, MD

Samuel Singer, M.D. is a neuro-oncologist at the Neurological Oncology Division – The Brain and Spine Institute at John Theurer Cancer Center. In addition to treating patients with primary brain tumors and brain metastases, he is also actively involved in research into novel therapies for these illnesses. Cancers and their treatments are frequently associated with an array of neurologic problems, including stroke, epilepsy, neuropathy and neurologic autoimmune disease, and Dr. Singer specializes in diagnosing and treating these conditions.

Prior to joining the John Theurer Cancer Center, Dr. Singer completed a fellowship in neuro-oncology at Memorial Sloan-Kettering Cancer Center and his residency in neurology at New York-Presbyterian Hospital/Weill Cornell Medical Center.

Dr. Singer is a member of the American Academy of Neurology, the American Society of Clinical Oncology and the Society for Neuro-Oncology. He is widely published in peer-reviewed journals, including Neurosurgery, Neurology, Stroke and The Oncologist.

  • Medical Education: Albert Einstein College of Medicine, Bronx, NY
  • Residency: New York-Presbyterian Hospital/Weill Cornell Medical Center, New York, NY
  • Fellowships: Memorial Sloan-Kettering Cancer Center, New York, NY
  • Board Certifications: Diplomate, American Board of Psychiatry and Neurology
  • Specializations: Neurology
  • Memberships:
    • Alpha Omega Alpha Medical Honor Society 2007
    • American Academy of Neurology, since 2009
    • American Society Clinical Oncology, since 2012
    • Society for Neuro-Oncology, since 2012
  • Languages Spoken: English, Hebrew

Noa Biran, MD

Noa Biran, MD, joined the Myeloma Division at John Theurer Cancer Center in September 2014.

Dr. Biran previously served as Chief Fellow of Hematology and Medical Oncology at Icahn School of Medicine at Mount Sinai, New York, where she also practiced in their internal medicine internship and residency. She received her medical degree from The George Washington University in Washington, D.C. As a fellow at Icahn School of Medicine, Dr. Biran participated in numerous lecture series and training sessions for medical students, residents, and nurse practitioners.

Dr. Biran is actively involved with clinical research focusing on multiple myeloma. She has presented a range of clinical work at international and national conferences such as the American Society of Hematology and the Society of Hematologic Oncology. She is widely published in hematology and oncology journals such as American Journal of Hematology, Current Hematologic Malignancy Reports, and The Hemophilia Report, with a research focus on high-risk multiple myeloma and the role of minimal residual disease in multiple myeloma. She has also co-authored a chapter in Essentials of Hospital Medicine: A Practical Guide for Clinicians, entitled “Oncologic Emergencies.” She is an active and valued member of the European Society for Medical Oncology, American Society of Clinical Oncology and American Society of Hematology.

Robert S. Alter, MD

Dr. Robert Alter specializes in medical oncology and hematology, and is board certified in internal medicine, medical oncology and hematology. For more than 15 years, Dr. Alter has been treating patients in the New Jersey community. Dr. Alter is actively involved in genitourinary and head and neck cancer research.

Dr. Alter received his medical degree from the University of Health Sciences/The Chicago Medical School. He completed his residency at St. Luke’s/Roosevelt Hospital Center, New York, New York in internal medicine and received his fellowship training at New York University Medical Center in hematology/oncology.

Dr. Alter holds an appointment at Hackensack University Medical Center. He is also the Chairman of the Transfusion Committee at St. Clare’s Hospital, and a member of the American Cancer Society.

Tracy Proverbs-Singh, MD MPH

Dr. Tracy Proverbs-Singh specializes in medical oncology and is board certified. She received her medical degree from University of Pittsburgh and completed her internal medicine residency at Mount Sinai Hospital.

Medical Education: University of Pittsburgh
Residency Internship: Mount Sinai Hospital
Certification: Internal Medicine
Languages: English

Lori Ann Leslie, MD

Dr. Lori Ann Leslie specializes in hematology and medical oncology. Her specific clinical and research interests include non-Hodgkin lymphoma, Hodgkin lymphoma, and chronic lymphocytic leukemia.

Dr. Leslie received her MD from Columbia University College of Physicians and Surgeons, and stayed at Columbia University for internal medicine residency. She completed fellowship training at The University of Texas M.D. Anderson Cancer Center, where she served as Chief Fellow. Born and raised in Morristown, NJ, Dr. Leslie is ecstatic about the opportunity to return to her home state and join the John Theurer Cancer Center.

  • Medical Education: Columbia University, College of Physicians and Surgeons.
  • Internal Medicine Internship and Residency: New York Presbyterian Hospital, Columbia University.
  • Hematology/Oncology Fellowship: The University of Texas, MD Anderson Cancer Center.
  • Board Certifications/Eligibility: Hematology and Medical Oncology board eligible in 2015, Internal Medicine board certified in 2012
  • Memberships: American Society of Clinical Oncology, American Society of Hematology
  • Specializations: Lymphoma and CLL
  • Research Interests: Lymphoma and CLL
  • Languages Spoken: English

Jamie Koprivnikar, MD

Dr. Jamie Koprvinikar specializes in hematology and medical oncology and is board certified in both. She also holds a board certification in internal medicine.

Dr. Koprivnikar received her medical degree from the Sidney Kimmel Medical College, formerly Jefferson Medical College of Thomas Jefferson University, in Philadelphia, PA. She completed her internal medicine residency at MedStar Georgetown University Medical Center in Washington, DC. She then completed a fellowship in hematology and oncology, also at MedStar Georgetown University Medical Center. She was chosen to serve as chief fellow during her third and final year of fellowship.

Dr. Koprivnikar spent the early part of her career on faculty at MedStar Georgetown University Medical Center where she was active in teaching medical students, residents, and fellows. She also served as the medical co-director of the Patient Blood Management Program and was active on the institutional review board and as an investigator on many clinical trials. She is a member of the American Society of Hematology.

  • Medical Education: Sidney Kimmel Medical College, Philadelphia, PA
  • Residency: MedStar Georgetown University Medical Center, Washington, DC
  • Fellowship: MedStar Georgetown University Medical Center, Washington, DC
  • Board Certifications: Hematology, oncology, internal medicine
  • Specializations: Hematology, medical oncology
  • Research Interests: Leukemia, myelodysplastic syndrome, myeloproliferative neoplasms, aplastic anemia
  • Memberships: American Society of Hematology
  • Languages Spoken: English

Mira Hellmann, MD

Dr. Mira Hellmann specializes in Gynecologic Oncology. She treats all subtypes of gynecologic cancers including uterus, cervix, fallopian tube, ovaries, primary peritoneal, vaginal and vulvar cancer. The scope of her surgical expertise includes both traditional open surgery, as well as minimally invasive surgery. She has extensive expertise in complex laparoscopic surgery as well as robotic surgery.

Her research focus is in clinical research, including cooperative group studies, both industry-sponsored and investigator-initiated. She enjoys having the opportunity to offer patients the possibility of participating in the most cutting edge research, if they are inclined to do so.

Dr. Hellmann received her MD at SUNY Downstate in Brooklyn, and is a lifelong member of AOA. She completed her residency on Long Island Jewish Medical Center, and returned to SUNY Downstate for her fellowship training. She maintained a faculty position in central New Jersey for eight years where she developed a robust practice in a short period of time. She was active in resident and student education. She also helped spearhead a minimally invasive center that was a comprehensive resource for minimally invasive surgeons across multiple cancer specialties. She is looking forward to establishing her practice at the John Theurer Cancer Center, and to providing the highest quality of care to her patients.

Dr. Hellmann is board certified in both Obstetrics and Gynecology as well as Gynecologic Oncology.

  • Medical Education: SUNY Health Science Center at Brooklyn
  • Internship/Residency: Long Island Jewish Medical Center
  • Fellowship: SUNY Health Science Center at Brooklyn
  • Specialization: Gynecologic Oncology
  • Board Certification: Obstetrics and Gynecology, Gynecologic Oncology
  • Research Interests: Surgical innovation, clinical trials in gynecologic oncology
  • Membership: American Board of Obstetrics and Gynecology, Society of Gynecologic Oncology, Alpha Omega Alpha
  • Languages: English, Hebrew

Alan Skarbnik, MD

Alan Pierre Zausner Skarbnik, M.D. serves as a staff physician in both the Department of Bone Marrow Transplantation and the Department of Lymphoma at John Theurer Cancer Center.

Prior to joining John Theurer Cancer Center at Hackensack University Medical Center, Dr. Skarbnik was a clinical instructor in the Department of Hematology and Hematopoietic Cell Transplantation at the City of Hope National Medical Center in Duarte, California. Dr. Skarbnik also previously served as Chief Fellow of Medical Oncology and Hematology at Fox Chase Cancer Center and Temple University Hospital, and practiced at Columbia University College of Physicians and Surgeons/St. Luke’s-Roosevelt Medical Center in their internal medicine internship and residency after moving his medical career to the United States from his native Brazil.

Dr. Skarbnik has a rich research background, having served as a primary investigator at Fox Chase Cancer Center to identify biomarkers of sensitivity to mTOR inhibitors in renal cell cancer tumor samples, co-primary investigator in a Phase II study of Rituximab Intense Dosing with CHOP-21 in a 2011 ASCO/AACR workshop, and investigated the role of JAK mutations in the development of acute lymphoblastic leukemia at Memorial Sloan Kettering’s Human Oncopathogenesis Program. Dr. Skarbnik has also been extensively published and has participated in a number of presentations and poster sessions at major medical meetings.

Dr. Skarbnik specializes in hematology/oncology, and has extensive experience in a range of medical volunteer work conducted across the globe.

  • Medical Education: Universidade de Sao Paulo, Brazil
  • Residency: Columbia University College of Physicians and Surgeons/St. Luke’s-Roosevelt Medical Center, Internal Medicine Internship and Residency, 2007-2010. Hospital das Clinicas, University of Sao Paulo, Brazil, Internal Medicine Residency, 2005-2007.
  • Fellowships: City of Hope National Medical Center, Adult Hematopoietic Stem Cell Transplantation, 2013-2014. Fox Chase Cancer Center Chief Fellow 2012-2013. Fox Chase Cancer Center and Temple University Hospital, Medical Oncology and Hematology, 2010-2013.
  • Internship: Hospital das Clinicas, University of Sao Paulo, Brazil, 2002-2003.
  • Board Certifications: 2013 board-certified, American Board of Internal Medicine, Medical Oncology. 2013 board-certified, American Board of Internal Medicine, Hematology. 2010 board-certified, American Board of Internal Medicine, Internal Medicine. ACLS certification updated in 2013.
  • Honors/Awards: ASCO 2013 Merit Award. LeDor VaDor Award, presented by the President of Brazil of voluntary work. ASCO/AACR Vail Cancer Workshop selection – 2011.
  • Languages: English, Portuguese, Spanish
  • Hobbies/Interests: Multi-instrumentalist, has played in a Brazilian band

James K. McCloskey II, MD

James K. McCloskey II, M.D., works in the Division of Leukemia and the Adult Blood and Marrow Stem Cell Transplantation Program at John Theurer Cancer Center. Prior to his current position, Dr. McCloskey was a fellow in the Department of Hematology and Oncology at Georgetown University Hospital.

Dr. McCloskey has extensive research experience, serving as primary investigator in a Phase I/II non-randomized study of birinapant in combination with decitabine in patients with relapsed or refractory myelodysplastic syndrome and acute myelogenous leukemia, and was a primary investigator of cellular and molecular characterization of the immune response and minimal residual disease in patients who have completed treatment for acute myeloid leukemia. Dr. McCloskey has additionally presented a range of clinical work at major medical conferences, including MedStar Washington Hospital center multi-institutional lymphoma teleconference, Georgetown University Research Day and the Society of Comparative and Integrative Biology. Dr. McCloskey’s research has been published in the Journal of Coagulation Disorders, Advances in Clinical Oncology and Breast Cancer Research and Treatment.

Dr. McCloskey has deep roots in the philanthropic community; worked with the Lymphoma Research Foundation since 2011; and has volunteered with Food and Friends, a nonprofit that prepares and delivers meals and groceries to D.C. residents living with HIV/AIDS, cancer and other conditions since 2004.

  • Medical Education: Georgetown University School of Medicine
  • Residency: Georgetown University Hospital, Internal Medicine Resident, July 2009-2011
  • Fellowships: Chief Fellow, Department of Hematology and Oncology, Georgetown University Hospital, 2013-2014. Fellow, Department of Hematology and Oncology, Georgetown University Hospital, 2009-2013.
  • Internship: Georgetown University Hospital, Internal Medicine Intern, 2009-2011.
  • Board Certifications: 2014 board-eligible, Hematology and Oncology. 2011 board-certified, American Board of Internal Medicine.
  • Honors/Awards: Hematology Fellows Consortium Workshop, 2013. AACR/ASCO Methods of Cancer Research Workshop, 2013. Dr. Allen J. Goody Memorial Award for excellence in teaching, peer mentorship and personal integrity, Georgetown University Hospital, 2011.
  • Memberships: American Society of Clinical Oncology, American Association of Cancer Research, Housestaff Quality Council, Chemotherapy Utilization Committee, American Society of Hematology.

Samuel Singer, MD

Samuel Singer, M.D. is a neuro-oncologist at the Neurological Oncology Division – The Brain and Spine Institute at John Theurer Cancer Center. In addition to treating patients with primary brain tumors and brain metastases, he is also actively involved in research into novel therapies for these illnesses. Cancers and their treatments are frequently associated with an array of neurologic problems, including stroke, epilepsy, neuropathy and neurologic autoimmune disease, and Dr. Singer specializes in diagnosing and treating these conditions.

Prior to joining the John Theurer Cancer Center, Dr. Singer completed a fellowship in neuro-oncology at Memorial Sloan-Kettering Cancer Center and his residency in neurology at New York-Presbyterian Hospital/Weill Cornell Medical Center.

Dr. Singer is a member of the American Academy of Neurology, the American Society of Clinical Oncology and the Society for Neuro-Oncology. He is widely published in peer-reviewed journals, including Neurosurgery, Neurology, Stroke and The Oncologist.

  • Medical Education: Albert Einstein College of Medicine, Bronx, NY
  • Residency: New York-Presbyterian Hospital/Weill Cornell Medical Center, New York, NY
  • Fellowships: Memorial Sloan-Kettering Cancer Center, New York, NY
  • Board Certifications: Diplomate, American Board of Psychiatry and Neurology
  • Specializations: Neurology
  • Memberships:
    • Alpha Omega Alpha Medical Honor Society 2007
    • American Academy of Neurology, since 2009
    • American Society Clinical Oncology, since 2012
    • Society for Neuro-Oncology, since 2012
  • Languages Spoken: English, Hebrew

Noa Biran, MD

Noa Biran, MD, joined the Myeloma Division at John Theurer Cancer Center in September 2014.

Dr. Biran previously served as Chief Fellow of Hematology and Medical Oncology at Icahn School of Medicine at Mount Sinai, New York, where she also practiced in their internal medicine internship and residency. She received her medical degree from The George Washington University in Washington, D.C. As a fellow at Icahn School of Medicine, Dr. Biran participated in numerous lecture series and training sessions for medical students, residents, and nurse practitioners.

Dr. Biran is actively involved with clinical research focusing on multiple myeloma. She has presented a range of clinical work at international and national conferences such as the American Society of Hematology and the Society of Hematologic Oncology. She is widely published in hematology and oncology journals such as American Journal of Hematology, Current Hematologic Malignancy Reports, and The Hemophilia Report, with a research focus on high-risk multiple myeloma and the role of minimal residual disease in multiple myeloma. She has also co-authored a chapter in Essentials of Hospital Medicine: A Practical Guide for Clinicians, entitled “Oncologic Emergencies.” She is an active and valued member of the European Society for Medical Oncology, American Society of Clinical Oncology and American Society of Hematology.

Robert S. Alter, MD

Dr. Robert Alter specializes in medical oncology and hematology, and is board certified in internal medicine, medical oncology and hematology. For more than 15 years, Dr. Alter has been treating patients in the New Jersey community. Dr. Alter is actively involved in genitourinary and head and neck cancer research.

Dr. Alter received his medical degree from the University of Health Sciences/The Chicago Medical School. He completed his residency at St. Luke’s/Roosevelt Hospital Center, New York, New York in internal medicine and received his fellowship training at New York University Medical Center in hematology/oncology.

Dr. Alter holds an appointment at Hackensack University Medical Center. He is also the Chairman of the Transfusion Committee at St. Clare’s Hospital, and a member of the American Cancer Society.

Tracy Proverbs-Singh, MD MPH

Dr. Tracy Proverbs-Singh specializes in medical oncology and is board certified. She received her medical degree from University of Pittsburgh and completed her internal medicine residency at Mount Sinai Hospital.

Medical Education: University of Pittsburgh
Residency Internship: Mount Sinai Hospital
Certification: Internal Medicine
Languages: English

Lori Ann Leslie, MD

Dr. Lori Ann Leslie specializes in hematology and medical oncology. Her specific clinical and research interests include non-Hodgkin lymphoma, Hodgkin lymphoma, and chronic lymphocytic leukemia.

Dr. Leslie received her MD from Columbia University College of Physicians and Surgeons, and stayed at Columbia University for internal medicine residency. She completed fellowship training at The University of Texas M.D. Anderson Cancer Center, where she served as Chief Fellow. Born and raised in Morristown, NJ, Dr. Leslie is ecstatic about the opportunity to return to her home state and join the John Theurer Cancer Center.

  • Medical Education: Columbia University, College of Physicians and Surgeons.
  • Internal Medicine Internship and Residency: New York Presbyterian Hospital, Columbia University.
  • Hematology/Oncology Fellowship: The University of Texas, MD Anderson Cancer Center.
  • Board Certifications/Eligibility: Hematology and Medical Oncology board eligible in 2015, Internal Medicine board certified in 2012
  • Memberships: American Society of Clinical Oncology, American Society of Hematology
  • Specializations: Lymphoma and CLL
  • Research Interests: Lymphoma and CLL
  • Languages Spoken: English

Jamie Koprivnikar, MD

Dr. Jamie Koprvinikar specializes in hematology and medical oncology and is board certified in both. She also holds a board certification in internal medicine.

Dr. Koprivnikar received her medical degree from the Sidney Kimmel Medical College, formerly Jefferson Medical College of Thomas Jefferson University, in Philadelphia, PA. She completed her internal medicine residency at MedStar Georgetown University Medical Center in Washington, DC. She then completed a fellowship in hematology and oncology, also at MedStar Georgetown University Medical Center. She was chosen to serve as chief fellow during her third and final year of fellowship.

Dr. Koprivnikar spent the early part of her career on faculty at MedStar Georgetown University Medical Center where she was active in teaching medical students, residents, and fellows. She also served as the medical co-director of the Patient Blood Management Program and was active on the institutional review board and as an investigator on many clinical trials. She is a member of the American Society of Hematology.

  • Medical Education: Sidney Kimmel Medical College, Philadelphia, PA
  • Residency: MedStar Georgetown University Medical Center, Washington, DC
  • Fellowship: MedStar Georgetown University Medical Center, Washington, DC
  • Board Certifications: Hematology, oncology, internal medicine
  • Specializations: Hematology, medical oncology
  • Research Interests: Leukemia, myelodysplastic syndrome, myeloproliferative neoplasms, aplastic anemia
  • Memberships: American Society of Hematology
  • Languages Spoken: English

Mira Hellmann, MD

Dr. Mira Hellmann specializes in Gynecologic Oncology. She treats all subtypes of gynecologic cancers including uterus, cervix, fallopian tube, ovaries, primary peritoneal, vaginal and vulvar cancer. The scope of her surgical expertise includes both traditional open surgery, as well as minimally invasive surgery. She has extensive expertise in complex laparoscopic surgery as well as robotic surgery.

Her research focus is in clinical research, including cooperative group studies, both industry-sponsored and investigator-initiated. She enjoys having the opportunity to offer patients the possibility of participating in the most cutting edge research, if they are inclined to do so.

Dr. Hellmann received her MD at SUNY Downstate in Brooklyn, and is a lifelong member of AOA. She completed her residency on Long Island Jewish Medical Center, and returned to SUNY Downstate for her fellowship training. She maintained a faculty position in central New Jersey for eight years where she developed a robust practice in a short period of time. She was active in resident and student education. She also helped spearhead a minimally invasive center that was a comprehensive resource for minimally invasive surgeons across multiple cancer specialties. She is looking forward to establishing her practice at the John Theurer Cancer Center, and to providing the highest quality of care to her patients.

Dr. Hellmann is board certified in both Obstetrics and Gynecology as well as Gynecologic Oncology.

  • Medical Education: SUNY Health Science Center at Brooklyn
  • Internship/Residency: Long Island Jewish Medical Center
  • Fellowship: SUNY Health Science Center at Brooklyn
  • Specialization: Gynecologic Oncology
  • Board Certification: Obstetrics and Gynecology, Gynecologic Oncology
  • Research Interests: Surgical innovation, clinical trials in gynecologic oncology
  • Membership: American Board of Obstetrics and Gynecology, Society of Gynecologic Oncology, Alpha Omega Alpha
  • Languages: English, Hebrew

Alan Skarbnik, MD

Alan Pierre Zausner Skarbnik, M.D. serves as a staff physician in both the Department of Bone Marrow Transplantation and the Department of Lymphoma at John Theurer Cancer Center.

Prior to joining John Theurer Cancer Center at Hackensack University Medical Center, Dr. Skarbnik was a clinical instructor in the Department of Hematology and Hematopoietic Cell Transplantation at the City of Hope National Medical Center in Duarte, California. Dr. Skarbnik also previously served as Chief Fellow of Medical Oncology and Hematology at Fox Chase Cancer Center and Temple University Hospital, and practiced at Columbia University College of Physicians and Surgeons/St. Luke’s-Roosevelt Medical Center in their internal medicine internship and residency after moving his medical career to the United States from his native Brazil.

Dr. Skarbnik has a rich research background, having served as a primary investigator at Fox Chase Cancer Center to identify biomarkers of sensitivity to mTOR inhibitors in renal cell cancer tumor samples, co-primary investigator in a Phase II study of Rituximab Intense Dosing with CHOP-21 in a 2011 ASCO/AACR workshop, and investigated the role of JAK mutations in the development of acute lymphoblastic leukemia at Memorial Sloan Kettering’s Human Oncopathogenesis Program. Dr. Skarbnik has also been extensively published and has participated in a number of presentations and poster sessions at major medical meetings.

Dr. Skarbnik specializes in hematology/oncology, and has extensive experience in a range of medical volunteer work conducted across the globe.

  • Medical Education: Universidade de Sao Paulo, Brazil
  • Residency: Columbia University College of Physicians and Surgeons/St. Luke’s-Roosevelt Medical Center, Internal Medicine Internship and Residency, 2007-2010. Hospital das Clinicas, University of Sao Paulo, Brazil, Internal Medicine Residency, 2005-2007.
  • Fellowships: City of Hope National Medical Center, Adult Hematopoietic Stem Cell Transplantation, 2013-2014. Fox Chase Cancer Center Chief Fellow 2012-2013. Fox Chase Cancer Center and Temple University Hospital, Medical Oncology and Hematology, 2010-2013.
  • Internship: Hospital das Clinicas, University of Sao Paulo, Brazil, 2002-2003.
  • Board Certifications: 2013 board-certified, American Board of Internal Medicine, Medical Oncology. 2013 board-certified, American Board of Internal Medicine, Hematology. 2010 board-certified, American Board of Internal Medicine, Internal Medicine. ACLS certification updated in 2013.
  • Honors/Awards: ASCO 2013 Merit Award. LeDor VaDor Award, presented by the President of Brazil of voluntary work. ASCO/AACR Vail Cancer Workshop selection – 2011.
  • Languages: English, Portuguese, Spanish
  • Hobbies/Interests: Multi-instrumentalist, has played in a Brazilian band

James K. McCloskey II, MD

James K. McCloskey II, M.D., works in the Division of Leukemia and the Adult Blood and Marrow Stem Cell Transplantation Program at John Theurer Cancer Center. Prior to his current position, Dr. McCloskey was a fellow in the Department of Hematology and Oncology at Georgetown University Hospital.

Dr. McCloskey has extensive research experience, serving as primary investigator in a Phase I/II non-randomized study of birinapant in combination with decitabine in patients with relapsed or refractory myelodysplastic syndrome and acute myelogenous leukemia, and was a primary investigator of cellular and molecular characterization of the immune response and minimal residual disease in patients who have completed treatment for acute myeloid leukemia. Dr. McCloskey has additionally presented a range of clinical work at major medical conferences, including MedStar Washington Hospital center multi-institutional lymphoma teleconference, Georgetown University Research Day and the Society of Comparative and Integrative Biology. Dr. McCloskey’s research has been published in the Journal of Coagulation Disorders, Advances in Clinical Oncology and Breast Cancer Research and Treatment.

Dr. McCloskey has deep roots in the philanthropic community; worked with the Lymphoma Research Foundation since 2011; and has volunteered with Food and Friends, a nonprofit that prepares and delivers meals and groceries to D.C. residents living with HIV/AIDS, cancer and other conditions since 2004.

  • Medical Education: Georgetown University School of Medicine
  • Residency: Georgetown University Hospital, Internal Medicine Resident, July 2009-2011
  • Fellowships: Chief Fellow, Department of Hematology and Oncology, Georgetown University Hospital, 2013-2014. Fellow, Department of Hematology and Oncology, Georgetown University Hospital, 2009-2013.
  • Internship: Georgetown University Hospital, Internal Medicine Intern, 2009-2011.
  • Board Certifications: 2014 board-eligible, Hematology and Oncology. 2011 board-certified, American Board of Internal Medicine.
  • Honors/Awards: Hematology Fellows Consortium Workshop, 2013. AACR/ASCO Methods of Cancer Research Workshop, 2013. Dr. Allen J. Goody Memorial Award for excellence in teaching, peer mentorship and personal integrity, Georgetown University Hospital, 2011.
  • Memberships: American Society of Clinical Oncology, American Association of Cancer Research, Housestaff Quality Council, Chemotherapy Utilization Committee, American Society of Hematology.

Samuel Singer, MD

Samuel Singer, M.D. is a neuro-oncologist at the Neurological Oncology Division – The Brain and Spine Institute at John Theurer Cancer Center. In addition to treating patients with primary brain tumors and brain metastases, he is also actively involved in research into novel therapies for these illnesses. Cancers and their treatments are frequently associated with an array of neurologic problems, including stroke, epilepsy, neuropathy and neurologic autoimmune disease, and Dr. Singer specializes in diagnosing and treating these conditions.

Prior to joining the John Theurer Cancer Center, Dr. Singer completed a fellowship in neuro-oncology at Memorial Sloan-Kettering Cancer Center and his residency in neurology at New York-Presbyterian Hospital/Weill Cornell Medical Center.

Dr. Singer is a member of the American Academy of Neurology, the American Society of Clinical Oncology and the Society for Neuro-Oncology. He is widely published in peer-reviewed journals, including Neurosurgery, Neurology, Stroke and The Oncologist.

  • Medical Education: Albert Einstein College of Medicine, Bronx, NY
  • Residency: New York-Presbyterian Hospital/Weill Cornell Medical Center, New York, NY
  • Fellowships: Memorial Sloan-Kettering Cancer Center, New York, NY
  • Board Certifications: Diplomate, American Board of Psychiatry and Neurology
  • Specializations: Neurology
  • Memberships:
    • Alpha Omega Alpha Medical Honor Society 2007
    • American Academy of Neurology, since 2009
    • American Society Clinical Oncology, since 2012
    • Society for Neuro-Oncology, since 2012
  • Languages Spoken: English, Hebrew

Noa Biran, MD

Noa Biran, MD, joined the Myeloma Division at John Theurer Cancer Center in September 2014.

Dr. Biran previously served as Chief Fellow of Hematology and Medical Oncology at Icahn School of Medicine at Mount Sinai, New York, where she also practiced in their internal medicine internship and residency. She received her medical degree from The George Washington University in Washington, D.C. As a fellow at Icahn School of Medicine, Dr. Biran participated in numerous lecture series and training sessions for medical students, residents, and nurse practitioners.

Dr. Biran is actively involved with clinical research focusing on multiple myeloma. She has presented a range of clinical work at international and national conferences such as the American Society of Hematology and the Society of Hematologic Oncology. She is widely published in hematology and oncology journals such as American Journal of Hematology, Current Hematologic Malignancy Reports, and The Hemophilia Report, with a research focus on high-risk multiple myeloma and the role of minimal residual disease in multiple myeloma. She has also co-authored a chapter in Essentials of Hospital Medicine: A Practical Guide for Clinicians, entitled “Oncologic Emergencies.” She is an active and valued member of the European Society for Medical Oncology, American Society of Clinical Oncology and American Society of Hematology.

Robert S. Alter, MD

Dr. Robert Alter specializes in medical oncology and hematology, and is board certified in internal medicine, medical oncology and hematology. For more than 15 years, Dr. Alter has been treating patients in the New Jersey community. Dr. Alter is actively involved in genitourinary and head and neck cancer research.

Dr. Alter received his medical degree from the University of Health Sciences/The Chicago Medical School. He completed his residency at St. Luke’s/Roosevelt Hospital Center, New York, New York in internal medicine and received his fellowship training at New York University Medical Center in hematology/oncology.

Dr. Alter holds an appointment at Hackensack University Medical Center. He is also the Chairman of the Transfusion Committee at St. Clare’s Hospital, and a member of the American Cancer Society.

Tracy Proverbs-Singh, MD MPH

Dr. Tracy Proverbs-Singh specializes in medical oncology and is board certified. She received her medical degree from University of Pittsburgh and completed her internal medicine residency at Mount Sinai Hospital.

Medical Education: University of Pittsburgh
Residency Internship: Mount Sinai Hospital
Certification: Internal Medicine
Languages: English

Lori Ann Leslie, MD

Dr. Lori Ann Leslie specializes in hematology and medical oncology. Her specific clinical and research interests include non-Hodgkin lymphoma, Hodgkin lymphoma, and chronic lymphocytic leukemia.

Dr. Leslie received her MD from Columbia University College of Physicians and Surgeons, and stayed at Columbia University for internal medicine residency. She completed fellowship training at The University of Texas M.D. Anderson Cancer Center, where she served as Chief Fellow. Born and raised in Morristown, NJ, Dr. Leslie is ecstatic about the opportunity to return to her home state and join the John Theurer Cancer Center.

  • Medical Education: Columbia University, College of Physicians and Surgeons.
  • Internal Medicine Internship and Residency: New York Presbyterian Hospital, Columbia University.
  • Hematology/Oncology Fellowship: The University of Texas, MD Anderson Cancer Center.
  • Board Certifications/Eligibility: Hematology and Medical Oncology board eligible in 2015, Internal Medicine board certified in 2012
  • Memberships: American Society of Clinical Oncology, American Society of Hematology
  • Specializations: Lymphoma and CLL
  • Research Interests: Lymphoma and CLL
  • Languages Spoken: English

Jamie Koprivnikar, MD

Dr. Jamie Koprvinikar specializes in hematology and medical oncology and is board certified in both. She also holds a board certification in internal medicine.

Dr. Koprivnikar received her medical degree from the Sidney Kimmel Medical College, formerly Jefferson Medical College of Thomas Jefferson University, in Philadelphia, PA. She completed her internal medicine residency at MedStar Georgetown University Medical Center in Washington, DC. She then completed a fellowship in hematology and oncology, also at MedStar Georgetown University Medical Center. She was chosen to serve as chief fellow during her third and final year of fellowship.

Dr. Koprivnikar spent the early part of her career on faculty at MedStar Georgetown University Medical Center where she was active in teaching medical students, residents, and fellows. She also served as the medical co-director of the Patient Blood Management Program and was active on the institutional review board and as an investigator on many clinical trials. She is a member of the American Society of Hematology.

  • Medical Education: Sidney Kimmel Medical College, Philadelphia, PA
  • Residency: MedStar Georgetown University Medical Center, Washington, DC
  • Fellowship: MedStar Georgetown University Medical Center, Washington, DC
  • Board Certifications: Hematology, oncology, internal medicine
  • Specializations: Hematology, medical oncology
  • Research Interests: Leukemia, myelodysplastic syndrome, myeloproliferative neoplasms, aplastic anemia
  • Memberships: American Society of Hematology
  • Languages Spoken: English

Mira Hellmann, MD

Dr. Mira Hellmann specializes in Gynecologic Oncology. She treats all subtypes of gynecologic cancers including uterus, cervix, fallopian tube, ovaries, primary peritoneal, vaginal and vulvar cancer. The scope of her surgical expertise includes both traditional open surgery, as well as minimally invasive surgery. She has extensive expertise in complex laparoscopic surgery as well as robotic surgery.

Her research focus is in clinical research, including cooperative group studies, both industry-sponsored and investigator-initiated. She enjoys having the opportunity to offer patients the possibility of participating in the most cutting edge research, if they are inclined to do so.

Dr. Hellmann received her MD at SUNY Downstate in Brooklyn, and is a lifelong member of AOA. She completed her residency on Long Island Jewish Medical Center, and returned to SUNY Downstate for her fellowship training. She maintained a faculty position in central New Jersey for eight years where she developed a robust practice in a short period of time. She was active in resident and student education. She also helped spearhead a minimally invasive center that was a comprehensive resource for minimally invasive surgeons across multiple cancer specialties. She is looking forward to establishing her practice at the John Theurer Cancer Center, and to providing the highest quality of care to her patients.

Dr. Hellmann is board certified in both Obstetrics and Gynecology as well as Gynecologic Oncology.

  • Medical Education: SUNY Health Science Center at Brooklyn
  • Internship/Residency: Long Island Jewish Medical Center
  • Fellowship: SUNY Health Science Center at Brooklyn
  • Specialization: Gynecologic Oncology
  • Board Certification: Obstetrics and Gynecology, Gynecologic Oncology
  • Research Interests: Surgical innovation, clinical trials in gynecologic oncology
  • Membership: American Board of Obstetrics and Gynecology, Society of Gynecologic Oncology, Alpha Omega Alpha
  • Languages: English, Hebrew

Alan Skarbnik, MD

Alan Pierre Zausner Skarbnik, M.D. serves as a staff physician in both the Department of Bone Marrow Transplantation and the Department of Lymphoma at John Theurer Cancer Center.

Prior to joining John Theurer Cancer Center at Hackensack University Medical Center, Dr. Skarbnik was a clinical instructor in the Department of Hematology and Hematopoietic Cell Transplantation at the City of Hope National Medical Center in Duarte, California. Dr. Skarbnik also previously served as Chief Fellow of Medical Oncology and Hematology at Fox Chase Cancer Center and Temple University Hospital, and practiced at Columbia University College of Physicians and Surgeons/St. Luke’s-Roosevelt Medical Center in their internal medicine internship and residency after moving his medical career to the United States from his native Brazil.

Dr. Skarbnik has a rich research background, having served as a primary investigator at Fox Chase Cancer Center to identify biomarkers of sensitivity to mTOR inhibitors in renal cell cancer tumor samples, co-primary investigator in a Phase II study of Rituximab Intense Dosing with CHOP-21 in a 2011 ASCO/AACR workshop, and investigated the role of JAK mutations in the development of acute lymphoblastic leukemia at Memorial Sloan Kettering’s Human Oncopathogenesis Program. Dr. Skarbnik has also been extensively published and has participated in a number of presentations and poster sessions at major medical meetings.

Dr. Skarbnik specializes in hematology/oncology, and has extensive experience in a range of medical volunteer work conducted across the globe.

  • Medical Education: Universidade de Sao Paulo, Brazil
  • Residency: Columbia University College of Physicians and Surgeons/St. Luke’s-Roosevelt Medical Center, Internal Medicine Internship and Residency, 2007-2010. Hospital das Clinicas, University of Sao Paulo, Brazil, Internal Medicine Residency, 2005-2007.
  • Fellowships: City of Hope National Medical Center, Adult Hematopoietic Stem Cell Transplantation, 2013-2014. Fox Chase Cancer Center Chief Fellow 2012-2013. Fox Chase Cancer Center and Temple University Hospital, Medical Oncology and Hematology, 2010-2013.
  • Internship: Hospital das Clinicas, University of Sao Paulo, Brazil, 2002-2003.
  • Board Certifications: 2013 board-certified, American Board of Internal Medicine, Medical Oncology. 2013 board-certified, American Board of Internal Medicine, Hematology. 2010 board-certified, American Board of Internal Medicine, Internal Medicine. ACLS certification updated in 2013.
  • Honors/Awards: ASCO 2013 Merit Award. LeDor VaDor Award, presented by the President of Brazil of voluntary work. ASCO/AACR Vail Cancer Workshop selection – 2011.
  • Languages: English, Portuguese, Spanish
  • Hobbies/Interests: Multi-instrumentalist, has played in a Brazilian band

James K. McCloskey II, MD

James K. McCloskey II, M.D., works in the Division of Leukemia and the Adult Blood and Marrow Stem Cell Transplantation Program at John Theurer Cancer Center. Prior to his current position, Dr. McCloskey was a fellow in the Department of Hematology and Oncology at Georgetown University Hospital.

Dr. McCloskey has extensive research experience, serving as primary investigator in a Phase I/II non-randomized study of birinapant in combination with decitabine in patients with relapsed or refractory myelodysplastic syndrome and acute myelogenous leukemia, and was a primary investigator of cellular and molecular characterization of the immune response and minimal residual disease in patients who have completed treatment for acute myeloid leukemia. Dr. McCloskey has additionally presented a range of clinical work at major medical conferences, including MedStar Washington Hospital center multi-institutional lymphoma teleconference, Georgetown University Research Day and the Society of Comparative and Integrative Biology. Dr. McCloskey’s research has been published in the Journal of Coagulation Disorders, Advances in Clinical Oncology and Breast Cancer Research and Treatment.

Dr. McCloskey has deep roots in the philanthropic community; worked with the Lymphoma Research Foundation since 2011; and has volunteered with Food and Friends, a nonprofit that prepares and delivers meals and groceries to D.C. residents living with HIV/AIDS, cancer and other conditions since 2004.

  • Medical Education: Georgetown University School of Medicine
  • Residency: Georgetown University Hospital, Internal Medicine Resident, July 2009-2011
  • Fellowships: Chief Fellow, Department of Hematology and Oncology, Georgetown University Hospital, 2013-2014. Fellow, Department of Hematology and Oncology, Georgetown University Hospital, 2009-2013.
  • Internship: Georgetown University Hospital, Internal Medicine Intern, 2009-2011.
  • Board Certifications: 2014 board-eligible, Hematology and Oncology. 2011 board-certified, American Board of Internal Medicine.
  • Honors/Awards: Hematology Fellows Consortium Workshop, 2013. AACR/ASCO Methods of Cancer Research Workshop, 2013. Dr. Allen J. Goody Memorial Award for excellence in teaching, peer mentorship and personal integrity, Georgetown University Hospital, 2011.
  • Memberships: American Society of Clinical Oncology, American Association of Cancer Research, Housestaff Quality Council, Chemotherapy Utilization Committee, American Society of Hematology.

Samuel Singer, MD

Samuel Singer, M.D. is a neuro-oncologist at the Neurological Oncology Division – The Brain and Spine Institute at John Theurer Cancer Center. In addition to treating patients with primary brain tumors and brain metastases, he is also actively involved in research into novel therapies for these illnesses. Cancers and their treatments are frequently associated with an array of neurologic problems, including stroke, epilepsy, neuropathy and neurologic autoimmune disease, and Dr. Singer specializes in diagnosing and treating these conditions.

Prior to joining the John Theurer Cancer Center, Dr. Singer completed a fellowship in neuro-oncology at Memorial Sloan-Kettering Cancer Center and his residency in neurology at New York-Presbyterian Hospital/Weill Cornell Medical Center.

Dr. Singer is a member of the American Academy of Neurology, the American Society of Clinical Oncology and the Society for Neuro-Oncology. He is widely published in peer-reviewed journals, including Neurosurgery, Neurology, Stroke and The Oncologist.

  • Medical Education: Albert Einstein College of Medicine, Bronx, NY
  • Residency: New York-Presbyterian Hospital/Weill Cornell Medical Center, New York, NY
  • Fellowships: Memorial Sloan-Kettering Cancer Center, New York, NY
  • Board Certifications: Diplomate, American Board of Psychiatry and Neurology
  • Specializations: Neurology
  • Memberships:
    • Alpha Omega Alpha Medical Honor Society 2007
    • American Academy of Neurology, since 2009
    • American Society Clinical Oncology, since 2012
    • Society for Neuro-Oncology, since 2012
  • Languages Spoken: English, Hebrew

Noa Biran, MD

Noa Biran, MD, joined the Myeloma Division at John Theurer Cancer Center in September 2014.

Dr. Biran previously served as Chief Fellow of Hematology and Medical Oncology at Icahn School of Medicine at Mount Sinai, New York, where she also practiced in their internal medicine internship and residency. She received her medical degree from The George Washington University in Washington, D.C. As a fellow at Icahn School of Medicine, Dr. Biran participated in numerous lecture series and training sessions for medical students, residents, and nurse practitioners.

Dr. Biran is actively involved with clinical research focusing on multiple myeloma. She has presented a range of clinical work at international and national conferences such as the American Society of Hematology and the Society of Hematologic Oncology. She is widely published in hematology and oncology journals such as American Journal of Hematology, Current Hematologic Malignancy Reports, and The Hemophilia Report, with a research focus on high-risk multiple myeloma and the role of minimal residual disease in multiple myeloma. She has also co-authored a chapter in Essentials of Hospital Medicine: A Practical Guide for Clinicians, entitled “Oncologic Emergencies.” She is an active and valued member of the European Society for Medical Oncology, American Society of Clinical Oncology and American Society of Hematology.

Robert S. Alter, MD

Dr. Robert Alter specializes in medical oncology and hematology, and is board certified in internal medicine, medical oncology and hematology. For more than 15 years, Dr. Alter has been treating patients in the New Jersey community. Dr. Alter is actively involved in genitourinary and head and neck cancer research.

Dr. Alter received his medical degree from the University of Health Sciences/The Chicago Medical School. He completed his residency at St. Luke’s/Roosevelt Hospital Center, New York, New York in internal medicine and received his fellowship training at New York University Medical Center in hematology/oncology.

Dr. Alter holds an appointment at Hackensack University Medical Center. He is also the Chairman of the Transfusion Committee at St. Clare’s Hospital, and a member of the American Cancer Society.

Tracy Proverbs-Singh, MD MPH

Dr. Tracy Proverbs-Singh specializes in medical oncology and is board certified. She received her medical degree from University of Pittsburgh and completed her internal medicine residency at Mount Sinai Hospital.

Medical Education: University of Pittsburgh
Residency Internship: Mount Sinai Hospital
Certification: Internal Medicine
Languages: English

Lori Ann Leslie, MD

Dr. Lori Ann Leslie specializes in hematology and medical oncology. Her specific clinical and research interests include non-Hodgkin lymphoma, Hodgkin lymphoma, and chronic lymphocytic leukemia.

Dr. Leslie received her MD from Columbia University College of Physicians and Surgeons, and stayed at Columbia University for internal medicine residency. She completed fellowship training at The University of Texas M.D. Anderson Cancer Center, where she served as Chief Fellow. Born and raised in Morristown, NJ, Dr. Leslie is ecstatic about the opportunity to return to her home state and join the John Theurer Cancer Center.

  • Medical Education: Columbia University, College of Physicians and Surgeons.
  • Internal Medicine Internship and Residency: New York Presbyterian Hospital, Columbia University.
  • Hematology/Oncology Fellowship: The University of Texas, MD Anderson Cancer Center.
  • Board Certifications/Eligibility: Hematology and Medical Oncology board eligible in 2015, Internal Medicine board certified in 2012
  • Memberships: American Society of Clinical Oncology, American Society of Hematology
  • Specializations: Lymphoma and CLL
  • Research Interests: Lymphoma and CLL
  • Languages Spoken: English

Jamie Koprivnikar, MD

Dr. Jamie Koprvinikar specializes in hematology and medical oncology and is board certified in both. She also holds a board certification in internal medicine.

Dr. Koprivnikar received her medical degree from the Sidney Kimmel Medical College, formerly Jefferson Medical College of Thomas Jefferson University, in Philadelphia, PA. She completed her internal medicine residency at MedStar Georgetown University Medical Center in Washington, DC. She then completed a fellowship in hematology and oncology, also at MedStar Georgetown University Medical Center. She was chosen to serve as chief fellow during her third and final year of fellowship.

Dr. Koprivnikar spent the early part of her career on faculty at MedStar Georgetown University Medical Center where she was active in teaching medical students, residents, and fellows. She also served as the medical co-director of the Patient Blood Management Program and was active on the institutional review board and as an investigator on many clinical trials. She is a member of the American Society of Hematology.

  • Medical Education: Sidney Kimmel Medical College, Philadelphia, PA
  • Residency: MedStar Georgetown University Medical Center, Washington, DC
  • Fellowship: MedStar Georgetown University Medical Center, Washington, DC
  • Board Certifications: Hematology, oncology, internal medicine
  • Specializations: Hematology, medical oncology
  • Research Interests: Leukemia, myelodysplastic syndrome, myeloproliferative neoplasms, aplastic anemia
  • Memberships: American Society of Hematology
  • Languages Spoken: English

Mira Hellmann, MD

Dr. Mira Hellmann specializes in Gynecologic Oncology. She treats all subtypes of gynecologic cancers including uterus, cervix, fallopian tube, ovaries, primary peritoneal, vaginal and vulvar cancer. The scope of her surgical expertise includes both traditional open surgery, as well as minimally invasive surgery. She has extensive expertise in complex laparoscopic surgery as well as robotic surgery.

Her research focus is in clinical research, including cooperative group studies, both industry-sponsored and investigator-initiated. She enjoys having the opportunity to offer patients the possibility of participating in the most cutting edge research, if they are inclined to do so.

Dr. Hellmann received her MD at SUNY Downstate in Brooklyn, and is a lifelong member of AOA. She completed her residency on Long Island Jewish Medical Center, and returned to SUNY Downstate for her fellowship training. She maintained a faculty position in central New Jersey for eight years where she developed a robust practice in a short period of time. She was active in resident and student education. She also helped spearhead a minimally invasive center that was a comprehensive resource for minimally invasive surgeons across multiple cancer specialties. She is looking forward to establishing her practice at the John Theurer Cancer Center, and to providing the highest quality of care to her patients.

Dr. Hellmann is board certified in both Obstetrics and Gynecology as well as Gynecologic Oncology.

  • Medical Education: SUNY Health Science Center at Brooklyn
  • Internship/Residency: Long Island Jewish Medical Center
  • Fellowship: SUNY Health Science Center at Brooklyn
  • Specialization: Gynecologic Oncology
  • Board Certification: Obstetrics and Gynecology, Gynecologic Oncology
  • Research Interests: Surgical innovation, clinical trials in gynecologic oncology
  • Membership: American Board of Obstetrics and Gynecology, Society of Gynecologic Oncology, Alpha Omega Alpha
  • Languages: English, Hebrew

Alan Skarbnik, MD

Alan Pierre Zausner Skarbnik, M.D. serves as a staff physician in both the Department of Bone Marrow Transplantation and the Department of Lymphoma at John Theurer Cancer Center.

Prior to joining John Theurer Cancer Center at Hackensack University Medical Center, Dr. Skarbnik was a clinical instructor in the Department of Hematology and Hematopoietic Cell Transplantation at the City of Hope National Medical Center in Duarte, California. Dr. Skarbnik also previously served as Chief Fellow of Medical Oncology and Hematology at Fox Chase Cancer Center and Temple University Hospital, and practiced at Columbia University College of Physicians and Surgeons/St. Luke’s-Roosevelt Medical Center in their internal medicine internship and residency after moving his medical career to the United States from his native Brazil.

Dr. Skarbnik has a rich research background, having served as a primary investigator at Fox Chase Cancer Center to identify biomarkers of sensitivity to mTOR inhibitors in renal cell cancer tumor samples, co-primary investigator in a Phase II study of Rituximab Intense Dosing with CHOP-21 in a 2011 ASCO/AACR workshop, and investigated the role of JAK mutations in the development of acute lymphoblastic leukemia at Memorial Sloan Kettering’s Human Oncopathogenesis Program. Dr. Skarbnik has also been extensively published and has participated in a number of presentations and poster sessions at major medical meetings.

Dr. Skarbnik specializes in hematology/oncology, and has extensive experience in a range of medical volunteer work conducted across the globe.

  • Medical Education: Universidade de Sao Paulo, Brazil
  • Residency: Columbia University College of Physicians and Surgeons/St. Luke’s-Roosevelt Medical Center, Internal Medicine Internship and Residency, 2007-2010. Hospital das Clinicas, University of Sao Paulo, Brazil, Internal Medicine Residency, 2005-2007.
  • Fellowships: City of Hope National Medical Center, Adult Hematopoietic Stem Cell Transplantation, 2013-2014. Fox Chase Cancer Center Chief Fellow 2012-2013. Fox Chase Cancer Center and Temple University Hospital, Medical Oncology and Hematology, 2010-2013.
  • Internship: Hospital das Clinicas, University of Sao Paulo, Brazil, 2002-2003.
  • Board Certifications: 2013 board-certified, American Board of Internal Medicine, Medical Oncology. 2013 board-certified, American Board of Internal Medicine, Hematology. 2010 board-certified, American Board of Internal Medicine, Internal Medicine. ACLS certification updated in 2013.
  • Honors/Awards: ASCO 2013 Merit Award. LeDor VaDor Award, presented by the President of Brazil of voluntary work. ASCO/AACR Vail Cancer Workshop selection – 2011.
  • Languages: English, Portuguese, Spanish
  • Hobbies/Interests: Multi-instrumentalist, has played in a Brazilian band

James K. McCloskey II, MD

James K. McCloskey II, M.D., works in the Division of Leukemia and the Adult Blood and Marrow Stem Cell Transplantation Program at John Theurer Cancer Center. Prior to his current position, Dr. McCloskey was a fellow in the Department of Hematology and Oncology at Georgetown University Hospital.

Dr. McCloskey has extensive research experience, serving as primary investigator in a Phase I/II non-randomized study of birinapant in combination with decitabine in patients with relapsed or refractory myelodysplastic syndrome and acute myelogenous leukemia, and was a primary investigator of cellular and molecular characterization of the immune response and minimal residual disease in patients who have completed treatment for acute myeloid leukemia. Dr. McCloskey has additionally presented a range of clinical work at major medical conferences, including MedStar Washington Hospital center multi-institutional lymphoma teleconference, Georgetown University Research Day and the Society of Comparative and Integrative Biology. Dr. McCloskey’s research has been published in the Journal of Coagulation Disorders, Advances in Clinical Oncology and Breast Cancer Research and Treatment.

Dr. McCloskey has deep roots in the philanthropic community; worked with the Lymphoma Research Foundation since 2011; and has volunteered with Food and Friends, a nonprofit that prepares and delivers meals and groceries to D.C. residents living with HIV/AIDS, cancer and other conditions since 2004.

  • Medical Education: Georgetown University School of Medicine
  • Residency: Georgetown University Hospital, Internal Medicine Resident, July 2009-2011
  • Fellowships: Chief Fellow, Department of Hematology and Oncology, Georgetown University Hospital, 2013-2014. Fellow, Department of Hematology and Oncology, Georgetown University Hospital, 2009-2013.
  • Internship: Georgetown University Hospital, Internal Medicine Intern, 2009-2011.
  • Board Certifications: 2014 board-eligible, Hematology and Oncology. 2011 board-certified, American Board of Internal Medicine.
  • Honors/Awards: Hematology Fellows Consortium Workshop, 2013. AACR/ASCO Methods of Cancer Research Workshop, 2013. Dr. Allen J. Goody Memorial Award for excellence in teaching, peer mentorship and personal integrity, Georgetown University Hospital, 2011.
  • Memberships: American Society of Clinical Oncology, American Association of Cancer Research, Housestaff Quality Council, Chemotherapy Utilization Committee, American Society of Hematology.

Samuel Singer, MD

Samuel Singer, M.D. is a neuro-oncologist at the Neurological Oncology Division – The Brain and Spine Institute at John Theurer Cancer Center. In addition to treating patients with primary brain tumors and brain metastases, he is also actively involved in research into novel therapies for these illnesses. Cancers and their treatments are frequently associated with an array of neurologic problems, including stroke, epilepsy, neuropathy and neurologic autoimmune disease, and Dr. Singer specializes in diagnosing and treating these conditions.

Prior to joining the John Theurer Cancer Center, Dr. Singer completed a fellowship in neuro-oncology at Memorial Sloan-Kettering Cancer Center and his residency in neurology at New York-Presbyterian Hospital/Weill Cornell Medical Center.

Dr. Singer is a member of the American Academy of Neurology, the American Society of Clinical Oncology and the Society for Neuro-Oncology. He is widely published in peer-reviewed journals, including Neurosurgery, Neurology, Stroke and The Oncologist.

  • Medical Education: Albert Einstein College of Medicine, Bronx, NY
  • Residency: New York-Presbyterian Hospital/Weill Cornell Medical Center, New York, NY
  • Fellowships: Memorial Sloan-Kettering Cancer Center, New York, NY
  • Board Certifications: Diplomate, American Board of Psychiatry and Neurology
  • Specializations: Neurology
  • Memberships:
    • Alpha Omega Alpha Medical Honor Society 2007
    • American Academy of Neurology, since 2009
    • American Society Clinical Oncology, since 2012
    • Society for Neuro-Oncology, since 2012
  • Languages Spoken: English, Hebrew

Noa Biran, MD

Noa Biran, MD, joined the Myeloma Division at John Theurer Cancer Center in September 2014.

Dr. Biran previously served as Chief Fellow of Hematology and Medical Oncology at Icahn School of Medicine at Mount Sinai, New York, where she also practiced in their internal medicine internship and residency. She received her medical degree from The George Washington University in Washington, D.C. As a fellow at Icahn School of Medicine, Dr. Biran participated in numerous lecture series and training sessions for medical students, residents, and nurse practitioners.

Dr. Biran is actively involved with clinical research focusing on multiple myeloma. She has presented a range of clinical work at international and national conferences such as the American Society of Hematology and the Society of Hematologic Oncology. She is widely published in hematology and oncology journals such as American Journal of Hematology, Current Hematologic Malignancy Reports, and The Hemophilia Report, with a research focus on high-risk multiple myeloma and the role of minimal residual disease in multiple myeloma. She has also co-authored a chapter in Essentials of Hospital Medicine: A Practical Guide for Clinicians, entitled “Oncologic Emergencies.” She is an active and valued member of the European Society for Medical Oncology, American Society of Clinical Oncology and American Society of Hematology.

Robert S. Alter, MD

Dr. Robert Alter specializes in medical oncology and hematology, and is board certified in internal medicine, medical oncology and hematology. For more than 15 years, Dr. Alter has been treating patients in the New Jersey community. Dr. Alter is actively involved in genitourinary and head and neck cancer research.

Dr. Alter received his medical degree from the University of Health Sciences/The Chicago Medical School. He completed his residency at St. Luke’s/Roosevelt Hospital Center, New York, New York in internal medicine and received his fellowship training at New York University Medical Center in hematology/oncology.

Dr. Alter holds an appointment at Hackensack University Medical Center. He is also the Chairman of the Transfusion Committee at St. Clare’s Hospital, and a member of the American Cancer Society.

Tracy Proverbs-Singh, MD MPH

Dr. Tracy Proverbs-Singh specializes in medical oncology and is board certified. She received her medical degree from University of Pittsburgh and completed her internal medicine residency at Mount Sinai Hospital.

Medical Education: University of Pittsburgh
Residency Internship: Mount Sinai Hospital
Certification: Internal Medicine
Languages: English

Lori Ann Leslie, MD

Dr. Lori Ann Leslie specializes in hematology and medical oncology. Her specific clinical and research interests include non-Hodgkin lymphoma, Hodgkin lymphoma, and chronic lymphocytic leukemia.

Dr. Leslie received her MD from Columbia University College of Physicians and Surgeons, and stayed at Columbia University for internal medicine residency. She completed fellowship training at The University of Texas M.D. Anderson Cancer Center, where she served as Chief Fellow. Born and raised in Morristown, NJ, Dr. Leslie is ecstatic about the opportunity to return to her home state and join the John Theurer Cancer Center.

  • Medical Education: Columbia University, College of Physicians and Surgeons.
  • Internal Medicine Internship and Residency: New York Presbyterian Hospital, Columbia University.
  • Hematology/Oncology Fellowship: The University of Texas, MD Anderson Cancer Center.
  • Board Certifications/Eligibility: Hematology and Medical Oncology board eligible in 2015, Internal Medicine board certified in 2012
  • Memberships: American Society of Clinical Oncology, American Society of Hematology
  • Specializations: Lymphoma and CLL
  • Research Interests: Lymphoma and CLL
  • Languages Spoken: English

Jamie Koprivnikar, MD

Dr. Jamie Koprvinikar specializes in hematology and medical oncology and is board certified in both. She also holds a board certification in internal medicine.

Dr. Koprivnikar received her medical degree from the Sidney Kimmel Medical College, formerly Jefferson Medical College of Thomas Jefferson University, in Philadelphia, PA. She completed her internal medicine residency at MedStar Georgetown University Medical Center in Washington, DC. She then completed a fellowship in hematology and oncology, also at MedStar Georgetown University Medical Center. She was chosen to serve as chief fellow during her third and final year of fellowship.

Dr. Koprivnikar spent the early part of her career on faculty at MedStar Georgetown University Medical Center where she was active in teaching medical students, residents, and fellows. She also served as the medical co-director of the Patient Blood Management Program and was active on the institutional review board and as an investigator on many clinical trials. She is a member of the American Society of Hematology.

  • Medical Education: Sidney Kimmel Medical College, Philadelphia, PA
  • Residency: MedStar Georgetown University Medical Center, Washington, DC
  • Fellowship: MedStar Georgetown University Medical Center, Washington, DC
  • Board Certifications: Hematology, oncology, internal medicine
  • Specializations: Hematology, medical oncology
  • Research Interests: Leukemia, myelodysplastic syndrome, myeloproliferative neoplasms, aplastic anemia
  • Memberships: American Society of Hematology
  • Languages Spoken: English

Mira Hellmann, MD

Dr. Mira Hellmann specializes in Gynecologic Oncology. She treats all subtypes of gynecologic cancers including uterus, cervix, fallopian tube, ovaries, primary peritoneal, vaginal and vulvar cancer. The scope of her surgical expertise includes both traditional open surgery, as well as minimally invasive surgery. She has extensive expertise in complex laparoscopic surgery as well as robotic surgery.

Her research focus is in clinical research, including cooperative group studies, both industry-sponsored and investigator-initiated. She enjoys having the opportunity to offer patients the possibility of participating in the most cutting edge research, if they are inclined to do so.

Dr. Hellmann received her MD at SUNY Downstate in Brooklyn, and is a lifelong member of AOA. She completed her residency on Long Island Jewish Medical Center, and returned to SUNY Downstate for her fellowship training. She maintained a faculty position in central New Jersey for eight years where she developed a robust practice in a short period of time. She was active in resident and student education. She also helped spearhead a minimally invasive center that was a comprehensive resource for minimally invasive surgeons across multiple cancer specialties. She is looking forward to establishing her practice at the John Theurer Cancer Center, and to providing the highest quality of care to her patients.

Dr. Hellmann is board certified in both Obstetrics and Gynecology as well as Gynecologic Oncology.

  • Medical Education: SUNY Health Science Center at Brooklyn
  • Internship/Residency: Long Island Jewish Medical Center
  • Fellowship: SUNY Health Science Center at Brooklyn
  • Specialization: Gynecologic Oncology
  • Board Certification: Obstetrics and Gynecology, Gynecologic Oncology
  • Research Interests: Surgical innovation, clinical trials in gynecologic oncology
  • Membership: American Board of Obstetrics and Gynecology, Society of Gynecologic Oncology, Alpha Omega Alpha
  • Languages: English, Hebrew

Alan Skarbnik, MD

Alan Pierre Zausner Skarbnik, M.D. serves as a staff physician in both the Department of Bone Marrow Transplantation and the Department of Lymphoma at John Theurer Cancer Center.

Prior to joining John Theurer Cancer Center at Hackensack University Medical Center, Dr. Skarbnik was a clinical instructor in the Department of Hematology and Hematopoietic Cell Transplantation at the City of Hope National Medical Center in Duarte, California. Dr. Skarbnik also previously served as Chief Fellow of Medical Oncology and Hematology at Fox Chase Cancer Center and Temple University Hospital, and practiced at Columbia University College of Physicians and Surgeons/St. Luke’s-Roosevelt Medical Center in their internal medicine internship and residency after moving his medical career to the United States from his native Brazil.

Dr. Skarbnik has a rich research background, having served as a primary investigator at Fox Chase Cancer Center to identify biomarkers of sensitivity to mTOR inhibitors in renal cell cancer tumor samples, co-primary investigator in a Phase II study of Rituximab Intense Dosing with CHOP-21 in a 2011 ASCO/AACR workshop, and investigated the role of JAK mutations in the development of acute lymphoblastic leukemia at Memorial Sloan Kettering’s Human Oncopathogenesis Program. Dr. Skarbnik has also been extensively published and has participated in a number of presentations and poster sessions at major medical meetings.

Dr. Skarbnik specializes in hematology/oncology, and has extensive experience in a range of medical volunteer work conducted across the globe.

  • Medical Education: Universidade de Sao Paulo, Brazil
  • Residency: Columbia University College of Physicians and Surgeons/St. Luke’s-Roosevelt Medical Center, Internal Medicine Internship and Residency, 2007-2010. Hospital das Clinicas, University of Sao Paulo, Brazil, Internal Medicine Residency, 2005-2007.
  • Fellowships: City of Hope National Medical Center, Adult Hematopoietic Stem Cell Transplantation, 2013-2014. Fox Chase Cancer Center Chief Fellow 2012-2013. Fox Chase Cancer Center and Temple University Hospital, Medical Oncology and Hematology, 2010-2013.
  • Internship: Hospital das Clinicas, University of Sao Paulo, Brazil, 2002-2003.
  • Board Certifications: 2013 board-certified, American Board of Internal Medicine, Medical Oncology. 2013 board-certified, American Board of Internal Medicine, Hematology. 2010 board-certified, American Board of Internal Medicine, Internal Medicine. ACLS certification updated in 2013.
  • Honors/Awards: ASCO 2013 Merit Award. LeDor VaDor Award, presented by the President of Brazil of voluntary work. ASCO/AACR Vail Cancer Workshop selection – 2011.
  • Languages: English, Portuguese, Spanish
  • Hobbies/Interests: Multi-instrumentalist, has played in a Brazilian band

James K. McCloskey II, MD

James K. McCloskey II, M.D., works in the Division of Leukemia and the Adult Blood and Marrow Stem Cell Transplantation Program at John Theurer Cancer Center. Prior to his current position, Dr. McCloskey was a fellow in the Department of Hematology and Oncology at Georgetown University Hospital.

Dr. McCloskey has extensive research experience, serving as primary investigator in a Phase I/II non-randomized study of birinapant in combination with decitabine in patients with relapsed or refractory myelodysplastic syndrome and acute myelogenous leukemia, and was a primary investigator of cellular and molecular characterization of the immune response and minimal residual disease in patients who have completed treatment for acute myeloid leukemia. Dr. McCloskey has additionally presented a range of clinical work at major medical conferences, including MedStar Washington Hospital center multi-institutional lymphoma teleconference, Georgetown University Research Day and the Society of Comparative and Integrative Biology. Dr. McCloskey’s research has been published in the Journal of Coagulation Disorders, Advances in Clinical Oncology and Breast Cancer Research and Treatment.

Dr. McCloskey has deep roots in the philanthropic community; worked with the Lymphoma Research Foundation since 2011; and has volunteered with Food and Friends, a nonprofit that prepares and delivers meals and groceries to D.C. residents living with HIV/AIDS, cancer and other conditions since 2004.

  • Medical Education: Georgetown University School of Medicine
  • Residency: Georgetown University Hospital, Internal Medicine Resident, July 2009-2011
  • Fellowships: Chief Fellow, Department of Hematology and Oncology, Georgetown University Hospital, 2013-2014. Fellow, Department of Hematology and Oncology, Georgetown University Hospital, 2009-2013.
  • Internship: Georgetown University Hospital, Internal Medicine Intern, 2009-2011.
  • Board Certifications: 2014 board-eligible, Hematology and Oncology. 2011 board-certified, American Board of Internal Medicine.
  • Honors/Awards: Hematology Fellows Consortium Workshop, 2013. AACR/ASCO Methods of Cancer Research Workshop, 2013. Dr. Allen J. Goody Memorial Award for excellence in teaching, peer mentorship and personal integrity, Georgetown University Hospital, 2011.
  • Memberships: American Society of Clinical Oncology, American Association of Cancer Research, Housestaff Quality Council, Chemotherapy Utilization Committee, American Society of Hematology.

Samuel Singer, MD

Samuel Singer, M.D. is a neuro-oncologist at the Neurological Oncology Division – The Brain and Spine Institute at John Theurer Cancer Center. In addition to treating patients with primary brain tumors and brain metastases, he is also actively involved in research into novel therapies for these illnesses. Cancers and their treatments are frequently associated with an array of neurologic problems, including stroke, epilepsy, neuropathy and neurologic autoimmune disease, and Dr. Singer specializes in diagnosing and treating these conditions.

Prior to joining the John Theurer Cancer Center, Dr. Singer completed a fellowship in neuro-oncology at Memorial Sloan-Kettering Cancer Center and his residency in neurology at New York-Presbyterian Hospital/Weill Cornell Medical Center.

Dr. Singer is a member of the American Academy of Neurology, the American Society of Clinical Oncology and the Society for Neuro-Oncology. He is widely published in peer-reviewed journals, including Neurosurgery, Neurology, Stroke and The Oncologist.

  • Medical Education: Albert Einstein College of Medicine, Bronx, NY
  • Residency: New York-Presbyterian Hospital/Weill Cornell Medical Center, New York, NY
  • Fellowships: Memorial Sloan-Kettering Cancer Center, New York, NY
  • Board Certifications: Diplomate, American Board of Psychiatry and Neurology
  • Specializations: Neurology
  • Memberships:
    • Alpha Omega Alpha Medical Honor Society 2007
    • American Academy of Neurology, since 2009
    • American Society Clinical Oncology, since 2012
    • Society for Neuro-Oncology, since 2012
  • Languages Spoken: English, Hebrew

Noa Biran, MD

Noa Biran, MD, joined the Myeloma Division at John Theurer Cancer Center in September 2014.

Dr. Biran previously served as Chief Fellow of Hematology and Medical Oncology at Icahn School of Medicine at Mount Sinai, New York, where she also practiced in their internal medicine internship and residency. She received her medical degree from The George Washington University in Washington, D.C. As a fellow at Icahn School of Medicine, Dr. Biran participated in numerous lecture series and training sessions for medical students, residents, and nurse practitioners.

Dr. Biran is actively involved with clinical research focusing on multiple myeloma. She has presented a range of clinical work at international and national conferences such as the American Society of Hematology and the Society of Hematologic Oncology. She is widely published in hematology and oncology journals such as American Journal of Hematology, Current Hematologic Malignancy Reports, and The Hemophilia Report, with a research focus on high-risk multiple myeloma and the role of minimal residual disease in multiple myeloma. She has also co-authored a chapter in Essentials of Hospital Medicine: A Practical Guide for Clinicians, entitled “Oncologic Emergencies.” She is an active and valued member of the European Society for Medical Oncology, American Society of Clinical Oncology and American Society of Hematology.

Robert S. Alter, MD

Dr. Robert Alter specializes in medical oncology and hematology, and is board certified in internal medicine, medical oncology and hematology. For more than 15 years, Dr. Alter has been treating patients in the New Jersey community. Dr. Alter is actively involved in genitourinary and head and neck cancer research.

Dr. Alter received his medical degree from the University of Health Sciences/The Chicago Medical School. He completed his residency at St. Luke’s/Roosevelt Hospital Center, New York, New York in internal medicine and received his fellowship training at New York University Medical Center in hematology/oncology.

Dr. Alter holds an appointment at Hackensack University Medical Center. He is also the Chairman of the Transfusion Committee at St. Clare’s Hospital, and a member of the American Cancer Society.

Tracy Proverbs-Singh, MD MPH

Dr. Tracy Proverbs-Singh specializes in medical oncology and is board certified. She received her medical degree from University of Pittsburgh and completed her internal medicine residency at Mount Sinai Hospital.

Medical Education: University of Pittsburgh
Residency Internship: Mount Sinai Hospital
Certification: Internal Medicine
Languages: English

Lori Ann Leslie, MD

Dr. Lori Ann Leslie specializes in hematology and medical oncology. Her specific clinical and research interests include non-Hodgkin lymphoma, Hodgkin lymphoma, and chronic lymphocytic leukemia.

Dr. Leslie received her MD from Columbia University College of Physicians and Surgeons, and stayed at Columbia University for internal medicine residency. She completed fellowship training at The University of Texas M.D. Anderson Cancer Center, where she served as Chief Fellow. Born and raised in Morristown, NJ, Dr. Leslie is ecstatic about the opportunity to return to her home state and join the John Theurer Cancer Center.

  • Medical Education: Columbia University, College of Physicians and Surgeons.
  • Internal Medicine Internship and Residency: New York Presbyterian Hospital, Columbia University.
  • Hematology/Oncology Fellowship: The University of Texas, MD Anderson Cancer Center.
  • Board Certifications/Eligibility: Hematology and Medical Oncology board eligible in 2015, Internal Medicine board certified in 2012
  • Memberships: American Society of Clinical Oncology, American Society of Hematology
  • Specializations: Lymphoma and CLL
  • Research Interests: Lymphoma and CLL
  • Languages Spoken: English

Jamie Koprivnikar, MD

Dr. Jamie Koprvinikar specializes in hematology and medical oncology and is board certified in both. She also holds a board certification in internal medicine.

Dr. Koprivnikar received her medical degree from the Sidney Kimmel Medical College, formerly Jefferson Medical College of Thomas Jefferson University, in Philadelphia, PA. She completed her internal medicine residency at MedStar Georgetown University Medical Center in Washington, DC. She then completed a fellowship in hematology and oncology, also at MedStar Georgetown University Medical Center. She was chosen to serve as chief fellow during her third and final year of fellowship.

Dr. Koprivnikar spent the early part of her career on faculty at MedStar Georgetown University Medical Center where she was active in teaching medical students, residents, and fellows. She also served as the medical co-director of the Patient Blood Management Program and was active on the institutional review board and as an investigator on many clinical trials. She is a member of the American Society of Hematology.

  • Medical Education: Sidney Kimmel Medical College, Philadelphia, PA
  • Residency: MedStar Georgetown University Medical Center, Washington, DC
  • Fellowship: MedStar Georgetown University Medical Center, Washington, DC
  • Board Certifications: Hematology, oncology, internal medicine
  • Specializations: Hematology, medical oncology
  • Research Interests: Leukemia, myelodysplastic syndrome, myeloproliferative neoplasms, aplastic anemia
  • Memberships: American Society of Hematology
  • Languages Spoken: English

Mira Hellmann, MD

Dr. Mira Hellmann specializes in Gynecologic Oncology. She treats all subtypes of gynecologic cancers including uterus, cervix, fallopian tube, ovaries, primary peritoneal, vaginal and vulvar cancer. The scope of her surgical expertise includes both traditional open surgery, as well as minimally invasive surgery. She has extensive expertise in complex laparoscopic surgery as well as robotic surgery.

Her research focus is in clinical research, including cooperative group studies, both industry-sponsored and investigator-initiated. She enjoys having the opportunity to offer patients the possibility of participating in the most cutting edge research, if they are inclined to do so.

Dr. Hellmann received her MD at SUNY Downstate in Brooklyn, and is a lifelong member of AOA. She completed her residency on Long Island Jewish Medical Center, and returned to SUNY Downstate for her fellowship training. She maintained a faculty position in central New Jersey for eight years where she developed a robust practice in a short period of time. She was active in resident and student education. She also helped spearhead a minimally invasive center that was a comprehensive resource for minimally invasive surgeons across multiple cancer specialties. She is looking forward to establishing her practice at the John Theurer Cancer Center, and to providing the highest quality of care to her patients.

Dr. Hellmann is board certified in both Obstetrics and Gynecology as well as Gynecologic Oncology.

  • Medical Education: SUNY Health Science Center at Brooklyn
  • Internship/Residency: Long Island Jewish Medical Center
  • Fellowship: SUNY Health Science Center at Brooklyn
  • Specialization: Gynecologic Oncology
  • Board Certification: Obstetrics and Gynecology, Gynecologic Oncology
  • Research Interests: Surgical innovation, clinical trials in gynecologic oncology
  • Membership: American Board of Obstetrics and Gynecology, Society of Gynecologic Oncology, Alpha Omega Alpha
  • Languages: English, Hebrew

Alan Skarbnik, MD

Alan Pierre Zausner Skarbnik, M.D. serves as a staff physician in both the Department of Bone Marrow Transplantation and the Department of Lymphoma at John Theurer Cancer Center.

Prior to joining John Theurer Cancer Center at Hackensack University Medical Center, Dr. Skarbnik was a clinical instructor in the Department of Hematology and Hematopoietic Cell Transplantation at the City of Hope National Medical Center in Duarte, California. Dr. Skarbnik also previously served as Chief Fellow of Medical Oncology and Hematology at Fox Chase Cancer Center and Temple University Hospital, and practiced at Columbia University College of Physicians and Surgeons/St. Luke’s-Roosevelt Medical Center in their internal medicine internship and residency after moving his medical career to the United States from his native Brazil.

Dr. Skarbnik has a rich research background, having served as a primary investigator at Fox Chase Cancer Center to identify biomarkers of sensitivity to mTOR inhibitors in renal cell cancer tumor samples, co-primary investigator in a Phase II study of Rituximab Intense Dosing with CHOP-21 in a 2011 ASCO/AACR workshop, and investigated the role of JAK mutations in the development of acute lymphoblastic leukemia at Memorial Sloan Kettering’s Human Oncopathogenesis Program. Dr. Skarbnik has also been extensively published and has participated in a number of presentations and poster sessions at major medical meetings.

Dr. Skarbnik specializes in hematology/oncology, and has extensive experience in a range of medical volunteer work conducted across the globe.

  • Medical Education: Universidade de Sao Paulo, Brazil
  • Residency: Columbia University College of Physicians and Surgeons/St. Luke’s-Roosevelt Medical Center, Internal Medicine Internship and Residency, 2007-2010. Hospital das Clinicas, University of Sao Paulo, Brazil, Internal Medicine Residency, 2005-2007.
  • Fellowships: City of Hope National Medical Center, Adult Hematopoietic Stem Cell Transplantation, 2013-2014. Fox Chase Cancer Center Chief Fellow 2012-2013. Fox Chase Cancer Center and Temple University Hospital, Medical Oncology and Hematology, 2010-2013.
  • Internship: Hospital das Clinicas, University of Sao Paulo, Brazil, 2002-2003.
  • Board Certifications: 2013 board-certified, American Board of Internal Medicine, Medical Oncology. 2013 board-certified, American Board of Internal Medicine, Hematology. 2010 board-certified, American Board of Internal Medicine, Internal Medicine. ACLS certification updated in 2013.
  • Honors/Awards: ASCO 2013 Merit Award. LeDor VaDor Award, presented by the President of Brazil of voluntary work. ASCO/AACR Vail Cancer Workshop selection – 2011.
  • Languages: English, Portuguese, Spanish
  • Hobbies/Interests: Multi-instrumentalist, has played in a Brazilian band

James K. McCloskey II, MD

James K. McCloskey II, M.D., works in the Division of Leukemia and the Adult Blood and Marrow Stem Cell Transplantation Program at John Theurer Cancer Center. Prior to his current position, Dr. McCloskey was a fellow in the Department of Hematology and Oncology at Georgetown University Hospital.

Dr. McCloskey has extensive research experience, serving as primary investigator in a Phase I/II non-randomized study of birinapant in combination with decitabine in patients with relapsed or refractory myelodysplastic syndrome and acute myelogenous leukemia, and was a primary investigator of cellular and molecular characterization of the immune response and minimal residual disease in patients who have completed treatment for acute myeloid leukemia. Dr. McCloskey has additionally presented a range of clinical work at major medical conferences, including MedStar Washington Hospital center multi-institutional lymphoma teleconference, Georgetown University Research Day and the Society of Comparative and Integrative Biology. Dr. McCloskey’s research has been published in the Journal of Coagulation Disorders, Advances in Clinical Oncology and Breast Cancer Research and Treatment.

Dr. McCloskey has deep roots in the philanthropic community; worked with the Lymphoma Research Foundation since 2011; and has volunteered with Food and Friends, a nonprofit that prepares and delivers meals and groceries to D.C. residents living with HIV/AIDS, cancer and other conditions since 2004.

  • Medical Education: Georgetown University School of Medicine
  • Residency: Georgetown University Hospital, Internal Medicine Resident, July 2009-2011
  • Fellowships: Chief Fellow, Department of Hematology and Oncology, Georgetown University Hospital, 2013-2014. Fellow, Department of Hematology and Oncology, Georgetown University Hospital, 2009-2013.
  • Internship: Georgetown University Hospital, Internal Medicine Intern, 2009-2011.
  • Board Certifications: 2014 board-eligible, Hematology and Oncology. 2011 board-certified, American Board of Internal Medicine.
  • Honors/Awards: Hematology Fellows Consortium Workshop, 2013. AACR/ASCO Methods of Cancer Research Workshop, 2013. Dr. Allen J. Goody Memorial Award for excellence in teaching, peer mentorship and personal integrity, Georgetown University Hospital, 2011.
  • Memberships: American Society of Clinical Oncology, American Association of Cancer Research, Housestaff Quality Council, Chemotherapy Utilization Committee, American Society of Hematology.

Samuel Singer, MD

Samuel Singer, M.D. is a neuro-oncologist at the Neurological Oncology Division – The Brain and Spine Institute at John Theurer Cancer Center. In addition to treating patients with primary brain tumors and brain metastases, he is also actively involved in research into novel therapies for these illnesses. Cancers and their treatments are frequently associated with an array of neurologic problems, including stroke, epilepsy, neuropathy and neurologic autoimmune disease, and Dr. Singer specializes in diagnosing and treating these conditions.

Prior to joining the John Theurer Cancer Center, Dr. Singer completed a fellowship in neuro-oncology at Memorial Sloan-Kettering Cancer Center and his residency in neurology at New York-Presbyterian Hospital/Weill Cornell Medical Center.

Dr. Singer is a member of the American Academy of Neurology, the American Society of Clinical Oncology and the Society for Neuro-Oncology. He is widely published in peer-reviewed journals, including Neurosurgery, Neurology, Stroke and The Oncologist.

  • Medical Education: Albert Einstein College of Medicine, Bronx, NY
  • Residency: New York-Presbyterian Hospital/Weill Cornell Medical Center, New York, NY
  • Fellowships: Memorial Sloan-Kettering Cancer Center, New York, NY
  • Board Certifications: Diplomate, American Board of Psychiatry and Neurology
  • Specializations: Neurology
  • Memberships:
    • Alpha Omega Alpha Medical Honor Society 2007
    • American Academy of Neurology, since 2009
    • American Society Clinical Oncology, since 2012
    • Society for Neuro-Oncology, since 2012
  • Languages Spoken: English, Hebrew

Noa Biran, MD

Noa Biran, MD, joined the Myeloma Division at John Theurer Cancer Center in September 2014.

Dr. Biran previously served as Chief Fellow of Hematology and Medical Oncology at Icahn School of Medicine at Mount Sinai, New York, where she also practiced in their internal medicine internship and residency. She received her medical degree from The George Washington University in Washington, D.C. As a fellow at Icahn School of Medicine, Dr. Biran participated in numerous lecture series and training sessions for medical students, residents, and nurse practitioners.

Dr. Biran is actively involved with clinical research focusing on multiple myeloma. She has presented a range of clinical work at international and national conferences such as the American Society of Hematology and the Society of Hematologic Oncology. She is widely published in hematology and oncology journals such as American Journal of Hematology, Current Hematologic Malignancy Reports, and The Hemophilia Report, with a research focus on high-risk multiple myeloma and the role of minimal residual disease in multiple myeloma. She has also co-authored a chapter in Essentials of Hospital Medicine: A Practical Guide for Clinicians, entitled “Oncologic Emergencies.” She is an active and valued member of the European Society for Medical Oncology, American Society of Clinical Oncology and American Society of Hematology.

Robert S. Alter, MD

Dr. Robert Alter specializes in medical oncology and hematology, and is board certified in internal medicine, medical oncology and hematology. For more than 15 years, Dr. Alter has been treating patients in the New Jersey community. Dr. Alter is actively involved in genitourinary and head and neck cancer research.

Dr. Alter received his medical degree from the University of Health Sciences/The Chicago Medical School. He completed his residency at St. Luke’s/Roosevelt Hospital Center, New York, New York in internal medicine and received his fellowship training at New York University Medical Center in hematology/oncology.

Dr. Alter holds an appointment at Hackensack University Medical Center. He is also the Chairman of the Transfusion Committee at St. Clare’s Hospital, and a member of the American Cancer Society.

Tracy Proverbs-Singh, MD MPH

Dr. Tracy Proverbs-Singh specializes in medical oncology and is board certified. She received her medical degree from University of Pittsburgh and completed her internal medicine residency at Mount Sinai Hospital.

Medical Education: University of Pittsburgh
Residency Internship: Mount Sinai Hospital
Certification: Internal Medicine
Languages: English

Lori Ann Leslie, MD

Dr. Lori Ann Leslie specializes in hematology and medical oncology. Her specific clinical and research interests include non-Hodgkin lymphoma, Hodgkin lymphoma, and chronic lymphocytic leukemia.

Dr. Leslie received her MD from Columbia University College of Physicians and Surgeons, and stayed at Columbia University for internal medicine residency. She completed fellowship training at The University of Texas M.D. Anderson Cancer Center, where she served as Chief Fellow. Born and raised in Morristown, NJ, Dr. Leslie is ecstatic about the opportunity to return to her home state and join the John Theurer Cancer Center.

  • Medical Education: Columbia University, College of Physicians and Surgeons.
  • Internal Medicine Internship and Residency: New York Presbyterian Hospital, Columbia University.
  • Hematology/Oncology Fellowship: The University of Texas, MD Anderson Cancer Center.
  • Board Certifications/Eligibility: Hematology and Medical Oncology board eligible in 2015, Internal Medicine board certified in 2012
  • Memberships: American Society of Clinical Oncology, American Society of Hematology
  • Specializations: Lymphoma and CLL
  • Research Interests: Lymphoma and CLL
  • Languages Spoken: English

Jamie Koprivnikar, MD

Dr. Jamie Koprvinikar specializes in hematology and medical oncology and is board certified in both. She also holds a board certification in internal medicine.

Dr. Koprivnikar received her medical degree from the Sidney Kimmel Medical College, formerly Jefferson Medical College of Thomas Jefferson University, in Philadelphia, PA. She completed her internal medicine residency at MedStar Georgetown University Medical Center in Washington, DC. She then completed a fellowship in hematology and oncology, also at MedStar Georgetown University Medical Center. She was chosen to serve as chief fellow during her third and final year of fellowship.

Dr. Koprivnikar spent the early part of her career on faculty at MedStar Georgetown University Medical Center where she was active in teaching medical students, residents, and fellows. She also served as the medical co-director of the Patient Blood Management Program and was active on the institutional review board and as an investigator on many clinical trials. She is a member of the American Society of Hematology.

  • Medical Education: Sidney Kimmel Medical College, Philadelphia, PA
  • Residency: MedStar Georgetown University Medical Center, Washington, DC
  • Fellowship: MedStar Georgetown University Medical Center, Washington, DC
  • Board Certifications: Hematology, oncology, internal medicine
  • Specializations: Hematology, medical oncology
  • Research Interests: Leukemia, myelodysplastic syndrome, myeloproliferative neoplasms, aplastic anemia
  • Memberships: American Society of Hematology
  • Languages Spoken: English

Mira Hellmann, MD

Dr. Mira Hellmann specializes in Gynecologic Oncology. She treats all subtypes of gynecologic cancers including uterus, cervix, fallopian tube, ovaries, primary peritoneal, vaginal and vulvar cancer. The scope of her surgical expertise includes both traditional open surgery, as well as minimally invasive surgery. She has extensive expertise in complex laparoscopic surgery as well as robotic surgery.

Her research focus is in clinical research, including cooperative group studies, both industry-sponsored and investigator-initiated. She enjoys having the opportunity to offer patients the possibility of participating in the most cutting edge research, if they are inclined to do so.

Dr. Hellmann received her MD at SUNY Downstate in Brooklyn, and is a lifelong member of AOA. She completed her residency on Long Island Jewish Medical Center, and returned to SUNY Downstate for her fellowship training. She maintained a faculty position in central New Jersey for eight years where she developed a robust practice in a short period of time. She was active in resident and student education. She also helped spearhead a minimally invasive center that was a comprehensive resource for minimally invasive surgeons across multiple cancer specialties. She is looking forward to establishing her practice at the John Theurer Cancer Center, and to providing the highest quality of care to her patients.

Dr. Hellmann is board certified in both Obstetrics and Gynecology as well as Gynecologic Oncology.

  • Medical Education: SUNY Health Science Center at Brooklyn
  • Internship/Residency: Long Island Jewish Medical Center
  • Fellowship: SUNY Health Science Center at Brooklyn
  • Specialization: Gynecologic Oncology
  • Board Certification: Obstetrics and Gynecology, Gynecologic Oncology
  • Research Interests: Surgical innovation, clinical trials in gynecologic oncology
  • Membership: American Board of Obstetrics and Gynecology, Society of Gynecologic Oncology, Alpha Omega Alpha
  • Languages: English, Hebrew

Alan Skarbnik, MD

Alan Pierre Zausner Skarbnik, M.D. serves as a staff physician in both the Department of Bone Marrow Transplantation and the Department of Lymphoma at John Theurer Cancer Center.

Prior to joining John Theurer Cancer Center at Hackensack University Medical Center, Dr. Skarbnik was a clinical instructor in the Department of Hematology and Hematopoietic Cell Transplantation at the City of Hope National Medical Center in Duarte, California. Dr. Skarbnik also previously served as Chief Fellow of Medical Oncology and Hematology at Fox Chase Cancer Center and Temple University Hospital, and practiced at Columbia University College of Physicians and Surgeons/St. Luke’s-Roosevelt Medical Center in their internal medicine internship and residency after moving his medical career to the United States from his native Brazil.

Dr. Skarbnik has a rich research background, having served as a primary investigator at Fox Chase Cancer Center to identify biomarkers of sensitivity to mTOR inhibitors in renal cell cancer tumor samples, co-primary investigator in a Phase II study of Rituximab Intense Dosing with CHOP-21 in a 2011 ASCO/AACR workshop, and investigated the role of JAK mutations in the development of acute lymphoblastic leukemia at Memorial Sloan Kettering’s Human Oncopathogenesis Program. Dr. Skarbnik has also been extensively published and has participated in a number of presentations and poster sessions at major medical meetings.

Dr. Skarbnik specializes in hematology/oncology, and has extensive experience in a range of medical volunteer work conducted across the globe.

  • Medical Education: Universidade de Sao Paulo, Brazil
  • Residency: Columbia University College of Physicians and Surgeons/St. Luke’s-Roosevelt Medical Center, Internal Medicine Internship and Residency, 2007-2010. Hospital das Clinicas, University of Sao Paulo, Brazil, Internal Medicine Residency, 2005-2007.
  • Fellowships: City of Hope National Medical Center, Adult Hematopoietic Stem Cell Transplantation, 2013-2014. Fox Chase Cancer Center Chief Fellow 2012-2013. Fox Chase Cancer Center and Temple University Hospital, Medical Oncology and Hematology, 2010-2013.
  • Internship: Hospital das Clinicas, University of Sao Paulo, Brazil, 2002-2003.
  • Board Certifications: 2013 board-certified, American Board of Internal Medicine, Medical Oncology. 2013 board-certified, American Board of Internal Medicine, Hematology. 2010 board-certified, American Board of Internal Medicine, Internal Medicine. ACLS certification updated in 2013.
  • Honors/Awards: ASCO 2013 Merit Award. LeDor VaDor Award, presented by the President of Brazil of voluntary work. ASCO/AACR Vail Cancer Workshop selection – 2011.
  • Languages: English, Portuguese, Spanish
  • Hobbies/Interests: Multi-instrumentalist, has played in a Brazilian band

James K. McCloskey II, MD

James K. McCloskey II, M.D., works in the Division of Leukemia and the Adult Blood and Marrow Stem Cell Transplantation Program at John Theurer Cancer Center. Prior to his current position, Dr. McCloskey was a fellow in the Department of Hematology and Oncology at Georgetown University Hospital.

Dr. McCloskey has extensive research experience, serving as primary investigator in a Phase I/II non-randomized study of birinapant in combination with decitabine in patients with relapsed or refractory myelodysplastic syndrome and acute myelogenous leukemia, and was a primary investigator of cellular and molecular characterization of the immune response and minimal residual disease in patients who have completed treatment for acute myeloid leukemia. Dr. McCloskey has additionally presented a range of clinical work at major medical conferences, including MedStar Washington Hospital center multi-institutional lymphoma teleconference, Georgetown University Research Day and the Society of Comparative and Integrative Biology. Dr. McCloskey’s research has been published in the Journal of Coagulation Disorders, Advances in Clinical Oncology and Breast Cancer Research and Treatment.

Dr. McCloskey has deep roots in the philanthropic community; worked with the Lymphoma Research Foundation since 2011; and has volunteered with Food and Friends, a nonprofit that prepares and delivers meals and groceries to D.C. residents living with HIV/AIDS, cancer and other conditions since 2004.

  • Medical Education: Georgetown University School of Medicine
  • Residency: Georgetown University Hospital, Internal Medicine Resident, July 2009-2011
  • Fellowships: Chief Fellow, Department of Hematology and Oncology, Georgetown University Hospital, 2013-2014. Fellow, Department of Hematology and Oncology, Georgetown University Hospital, 2009-2013.
  • Internship: Georgetown University Hospital, Internal Medicine Intern, 2009-2011.
  • Board Certifications: 2014 board-eligible, Hematology and Oncology. 2011 board-certified, American Board of Internal Medicine.
  • Honors/Awards: Hematology Fellows Consortium Workshop, 2013. AACR/ASCO Methods of Cancer Research Workshop, 2013. Dr. Allen J. Goody Memorial Award for excellence in teaching, peer mentorship and personal integrity, Georgetown University Hospital, 2011.
  • Memberships: American Society of Clinical Oncology, American Association of Cancer Research, Housestaff Quality Council, Chemotherapy Utilization Committee, American Society of Hematology.

Samuel Singer, MD

Samuel Singer, M.D. is a neuro-oncologist at the Neurological Oncology Division – The Brain and Spine Institute at John Theurer Cancer Center. In addition to treating patients with primary brain tumors and brain metastases, he is also actively involved in research into novel therapies for these illnesses. Cancers and their treatments are frequently associated with an array of neurologic problems, including stroke, epilepsy, neuropathy and neurologic autoimmune disease, and Dr. Singer specializes in diagnosing and treating these conditions.

Prior to joining the John Theurer Cancer Center, Dr. Singer completed a fellowship in neuro-oncology at Memorial Sloan-Kettering Cancer Center and his residency in neurology at New York-Presbyterian Hospital/Weill Cornell Medical Center.

Dr. Singer is a member of the American Academy of Neurology, the American Society of Clinical Oncology and the Society for Neuro-Oncology. He is widely published in peer-reviewed journals, including Neurosurgery, Neurology, Stroke and The Oncologist.

  • Medical Education: Albert Einstein College of Medicine, Bronx, NY
  • Residency: New York-Presbyterian Hospital/Weill Cornell Medical Center, New York, NY
  • Fellowships: Memorial Sloan-Kettering Cancer Center, New York, NY
  • Board Certifications: Diplomate, American Board of Psychiatry and Neurology
  • Specializations: Neurology
  • Memberships:
    • Alpha Omega Alpha Medical Honor Society 2007
    • American Academy of Neurology, since 2009
    • American Society Clinical Oncology, since 2012
    • Society for Neuro-Oncology, since 2012
  • Languages Spoken: English, Hebrew

Noa Biran, MD

Noa Biran, MD, joined the Myeloma Division at John Theurer Cancer Center in September 2014.

Dr. Biran previously served as Chief Fellow of Hematology and Medical Oncology at Icahn School of Medicine at Mount Sinai, New York, where she also practiced in their internal medicine internship and residency. She received her medical degree from The George Washington University in Washington, D.C. As a fellow at Icahn School of Medicine, Dr. Biran participated in numerous lecture series and training sessions for medical students, residents, and nurse practitioners.

Dr. Biran is actively involved with clinical research focusing on multiple myeloma. She has presented a range of clinical work at international and national conferences such as the American Society of Hematology and the Society of Hematologic Oncology. She is widely published in hematology and oncology journals such as American Journal of Hematology, Current Hematologic Malignancy Reports, and The Hemophilia Report, with a research focus on high-risk multiple myeloma and the role of minimal residual disease in multiple myeloma. She has also co-authored a chapter in Essentials of Hospital Medicine: A Practical Guide for Clinicians, entitled “Oncologic Emergencies.” She is an active and valued member of the European Society for Medical Oncology, American Society of Clinical Oncology and American Society of Hematology.

Robert S. Alter, MD

Dr. Robert Alter specializes in medical oncology and hematology, and is board certified in internal medicine, medical oncology and hematology. For more than 15 years, Dr. Alter has been treating patients in the New Jersey community. Dr. Alter is actively involved in genitourinary and head and neck cancer research.

Dr. Alter received his medical degree from the University of Health Sciences/The Chicago Medical School. He completed his residency at St. Luke’s/Roosevelt Hospital Center, New York, New York in internal medicine and received his fellowship training at New York University Medical Center in hematology/oncology.

Dr. Alter holds an appointment at Hackensack University Medical Center. He is also the Chairman of the Transfusion Committee at St. Clare’s Hospital, and a member of the American Cancer Society.

Tracy Proverbs-Singh, MD MPH

Dr. Tracy Proverbs-Singh specializes in medical oncology and is board certified. She received her medical degree from University of Pittsburgh and completed her internal medicine residency at Mount Sinai Hospital.

Medical Education: University of Pittsburgh
Residency Internship: Mount Sinai Hospital
Certification: Internal Medicine
Languages: English

Lori Ann Leslie, MD

Dr. Lori Ann Leslie specializes in hematology and medical oncology. Her specific clinical and research interests include non-Hodgkin lymphoma, Hodgkin lymphoma, and chronic lymphocytic leukemia.

Dr. Leslie received her MD from Columbia University College of Physicians and Surgeons, and stayed at Columbia University for internal medicine residency. She completed fellowship training at The University of Texas M.D. Anderson Cancer Center, where she served as Chief Fellow. Born and raised in Morristown, NJ, Dr. Leslie is ecstatic about the opportunity to return to her home state and join the John Theurer Cancer Center.

  • Medical Education: Columbia University, College of Physicians and Surgeons.
  • Internal Medicine Internship and Residency: New York Presbyterian Hospital, Columbia University.
  • Hematology/Oncology Fellowship: The University of Texas, MD Anderson Cancer Center.
  • Board Certifications/Eligibility: Hematology and Medical Oncology board eligible in 2015, Internal Medicine board certified in 2012
  • Memberships: American Society of Clinical Oncology, American Society of Hematology
  • Specializations: Lymphoma and CLL
  • Research Interests: Lymphoma and CLL
  • Languages Spoken: English

Jamie Koprivnikar, MD

Dr. Jamie Koprvinikar specializes in hematology and medical oncology and is board certified in both. She also holds a board certification in internal medicine.

Dr. Koprivnikar received her medical degree from the Sidney Kimmel Medical College, formerly Jefferson Medical College of Thomas Jefferson University, in Philadelphia, PA. She completed her internal medicine residency at MedStar Georgetown University Medical Center in Washington, DC. She then completed a fellowship in hematology and oncology, also at MedStar Georgetown University Medical Center. She was chosen to serve as chief fellow during her third and final year of fellowship.

Dr. Koprivnikar spent the early part of her career on faculty at MedStar Georgetown University Medical Center where she was active in teaching medical students, residents, and fellows. She also served as the medical co-director of the Patient Blood Management Program and was active on the institutional review board and as an investigator on many clinical trials. She is a member of the American Society of Hematology.

  • Medical Education: Sidney Kimmel Medical College, Philadelphia, PA
  • Residency: MedStar Georgetown University Medical Center, Washington, DC
  • Fellowship: MedStar Georgetown University Medical Center, Washington, DC
  • Board Certifications: Hematology, oncology, internal medicine
  • Specializations: Hematology, medical oncology
  • Research Interests: Leukemia, myelodysplastic syndrome, myeloproliferative neoplasms, aplastic anemia
  • Memberships: American Society of Hematology
  • Languages Spoken: English

Mira Hellmann, MD

Dr. Mira Hellmann specializes in Gynecologic Oncology. She treats all subtypes of gynecologic cancers including uterus, cervix, fallopian tube, ovaries, primary peritoneal, vaginal and vulvar cancer. The scope of her surgical expertise includes both traditional open surgery, as well as minimally invasive surgery. She has extensive expertise in complex laparoscopic surgery as well as robotic surgery.

Her research focus is in clinical research, including cooperative group studies, both industry-sponsored and investigator-initiated. She enjoys having the opportunity to offer patients the possibility of participating in the most cutting edge research, if they are inclined to do so.

Dr. Hellmann received her MD at SUNY Downstate in Brooklyn, and is a lifelong member of AOA. She completed her residency on Long Island Jewish Medical Center, and returned to SUNY Downstate for her fellowship training. She maintained a faculty position in central New Jersey for eight years where she developed a robust practice in a short period of time. She was active in resident and student education. She also helped spearhead a minimally invasive center that was a comprehensive resource for minimally invasive surgeons across multiple cancer specialties. She is looking forward to establishing her practice at the John Theurer Cancer Center, and to providing the highest quality of care to her patients.

Dr. Hellmann is board certified in both Obstetrics and Gynecology as well as Gynecologic Oncology.

  • Medical Education: SUNY Health Science Center at Brooklyn
  • Internship/Residency: Long Island Jewish Medical Center
  • Fellowship: SUNY Health Science Center at Brooklyn
  • Specialization: Gynecologic Oncology
  • Board Certification: Obstetrics and Gynecology, Gynecologic Oncology
  • Research Interests: Surgical innovation, clinical trials in gynecologic oncology
  • Membership: American Board of Obstetrics and Gynecology, Society of Gynecologic Oncology, Alpha Omega Alpha
  • Languages: English, Hebrew

Alan Skarbnik, MD

Alan Pierre Zausner Skarbnik, M.D. serves as a staff physician in both the Department of Bone Marrow Transplantation and the Department of Lymphoma at John Theurer Cancer Center.

Prior to joining John Theurer Cancer Center at Hackensack University Medical Center, Dr. Skarbnik was a clinical instructor in the Department of Hematology and Hematopoietic Cell Transplantation at the City of Hope National Medical Center in Duarte, California. Dr. Skarbnik also previously served as Chief Fellow of Medical Oncology and Hematology at Fox Chase Cancer Center and Temple University Hospital, and practiced at Columbia University College of Physicians and Surgeons/St. Luke’s-Roosevelt Medical Center in their internal medicine internship and residency after moving his medical career to the United States from his native Brazil.

Dr. Skarbnik has a rich research background, having served as a primary investigator at Fox Chase Cancer Center to identify biomarkers of sensitivity to mTOR inhibitors in renal cell cancer tumor samples, co-primary investigator in a Phase II study of Rituximab Intense Dosing with CHOP-21 in a 2011 ASCO/AACR workshop, and investigated the role of JAK mutations in the development of acute lymphoblastic leukemia at Memorial Sloan Kettering’s Human Oncopathogenesis Program. Dr. Skarbnik has also been extensively published and has participated in a number of presentations and poster sessions at major medical meetings.

Dr. Skarbnik specializes in hematology/oncology, and has extensive experience in a range of medical volunteer work conducted across the globe.

  • Medical Education: Universidade de Sao Paulo, Brazil
  • Residency: Columbia University College of Physicians and Surgeons/St. Luke’s-Roosevelt Medical Center, Internal Medicine Internship and Residency, 2007-2010. Hospital das Clinicas, University of Sao Paulo, Brazil, Internal Medicine Residency, 2005-2007.
  • Fellowships: City of Hope National Medical Center, Adult Hematopoietic Stem Cell Transplantation, 2013-2014. Fox Chase Cancer Center Chief Fellow 2012-2013. Fox Chase Cancer Center and Temple University Hospital, Medical Oncology and Hematology, 2010-2013.
  • Internship: Hospital das Clinicas, University of Sao Paulo, Brazil, 2002-2003.
  • Board Certifications: 2013 board-certified, American Board of Internal Medicine, Medical Oncology. 2013 board-certified, American Board of Internal Medicine, Hematology. 2010 board-certified, American Board of Internal Medicine, Internal Medicine. ACLS certification updated in 2013.
  • Honors/Awards: ASCO 2013 Merit Award. LeDor VaDor Award, presented by the President of Brazil of voluntary work. ASCO/AACR Vail Cancer Workshop selection – 2011.
  • Languages: English, Portuguese, Spanish
  • Hobbies/Interests: Multi-instrumentalist, has played in a Brazilian band

James K. McCloskey II, MD

James K. McCloskey II, M.D., works in the Division of Leukemia and the Adult Blood and Marrow Stem Cell Transplantation Program at John Theurer Cancer Center. Prior to his current position, Dr. McCloskey was a fellow in the Department of Hematology and Oncology at Georgetown University Hospital.

Dr. McCloskey has extensive research experience, serving as primary investigator in a Phase I/II non-randomized study of birinapant in combination with decitabine in patients with relapsed or refractory myelodysplastic syndrome and acute myelogenous leukemia, and was a primary investigator of cellular and molecular characterization of the immune response and minimal residual disease in patients who have completed treatment for acute myeloid leukemia. Dr. McCloskey has additionally presented a range of clinical work at major medical conferences, including MedStar Washington Hospital center multi-institutional lymphoma teleconference, Georgetown University Research Day and the Society of Comparative and Integrative Biology. Dr. McCloskey’s research has been published in the Journal of Coagulation Disorders, Advances in Clinical Oncology and Breast Cancer Research and Treatment.

Dr. McCloskey has deep roots in the philanthropic community; worked with the Lymphoma Research Foundation since 2011; and has volunteered with Food and Friends, a nonprofit that prepares and delivers meals and groceries to D.C. residents living with HIV/AIDS, cancer and other conditions since 2004.

  • Medical Education: Georgetown University School of Medicine
  • Residency: Georgetown University Hospital, Internal Medicine Resident, July 2009-2011
  • Fellowships: Chief Fellow, Department of Hematology and Oncology, Georgetown University Hospital, 2013-2014. Fellow, Department of Hematology and Oncology, Georgetown University Hospital, 2009-2013.
  • Internship: Georgetown University Hospital, Internal Medicine Intern, 2009-2011.
  • Board Certifications: 2014 board-eligible, Hematology and Oncology. 2011 board-certified, American Board of Internal Medicine.
  • Honors/Awards: Hematology Fellows Consortium Workshop, 2013. AACR/ASCO Methods of Cancer Research Workshop, 2013. Dr. Allen J. Goody Memorial Award for excellence in teaching, peer mentorship and personal integrity, Georgetown University Hospital, 2011.
  • Memberships: American Society of Clinical Oncology, American Association of Cancer Research, Housestaff Quality Council, Chemotherapy Utilization Committee, American Society of Hematology.

Samuel Singer, MD

Samuel Singer, M.D. is a neuro-oncologist at the Neurological Oncology Division – The Brain and Spine Institute at John Theurer Cancer Center. In addition to treating patients with primary brain tumors and brain metastases, he is also actively involved in research into novel therapies for these illnesses. Cancers and their treatments are frequently associated with an array of neurologic problems, including stroke, epilepsy, neuropathy and neurologic autoimmune disease, and Dr. Singer specializes in diagnosing and treating these conditions.

Prior to joining the John Theurer Cancer Center, Dr. Singer completed a fellowship in neuro-oncology at Memorial Sloan-Kettering Cancer Center and his residency in neurology at New York-Presbyterian Hospital/Weill Cornell Medical Center.

Dr. Singer is a member of the American Academy of Neurology, the American Society of Clinical Oncology and the Society for Neuro-Oncology. He is widely published in peer-reviewed journals, including Neurosurgery, Neurology, Stroke and The Oncologist.

  • Medical Education: Albert Einstein College of Medicine, Bronx, NY
  • Residency: New York-Presbyterian Hospital/Weill Cornell Medical Center, New York, NY
  • Fellowships: Memorial Sloan-Kettering Cancer Center, New York, NY
  • Board Certifications: Diplomate, American Board of Psychiatry and Neurology
  • Specializations: Neurology
  • Memberships:
    • Alpha Omega Alpha Medical Honor Society 2007
    • American Academy of Neurology, since 2009
    • American Society Clinical Oncology, since 2012
    • Society for Neuro-Oncology, since 2012
  • Languages Spoken: English, Hebrew

Noa Biran, MD

Noa Biran, MD, joined the Myeloma Division at John Theurer Cancer Center in September 2014.

Dr. Biran previously served as Chief Fellow of Hematology and Medical Oncology at Icahn School of Medicine at Mount Sinai, New York, where she also practiced in their internal medicine internship and residency. She received her medical degree from The George Washington University in Washington, D.C. As a fellow at Icahn School of Medicine, Dr. Biran participated in numerous lecture series and training sessions for medical students, residents, and nurse practitioners.

Dr. Biran is actively involved with clinical research focusing on multiple myeloma. She has presented a range of clinical work at international and national conferences such as the American Society of Hematology and the Society of Hematologic Oncology. She is widely published in hematology and oncology journals such as American Journal of Hematology, Current Hematologic Malignancy Reports, and The Hemophilia Report, with a research focus on high-risk multiple myeloma and the role of minimal residual disease in multiple myeloma. She has also co-authored a chapter in Essentials of Hospital Medicine: A Practical Guide for Clinicians, entitled “Oncologic Emergencies.” She is an active and valued member of the European Society for Medical Oncology, American Society of Clinical Oncology and American Society of Hematology.

Robert S. Alter, MD

Dr. Robert Alter specializes in medical oncology and hematology, and is board certified in internal medicine, medical oncology and hematology. For more than 15 years, Dr. Alter has been treating patients in the New Jersey community. Dr. Alter is actively involved in genitourinary and head and neck cancer research.

Dr. Alter received his medical degree from the University of Health Sciences/The Chicago Medical School. He completed his residency at St. Luke’s/Roosevelt Hospital Center, New York, New York in internal medicine and received his fellowship training at New York University Medical Center in hematology/oncology.

Dr. Alter holds an appointment at Hackensack University Medical Center. He is also the Chairman of the Transfusion Committee at St. Clare’s Hospital, and a member of the American Cancer Society.

Tracy Proverbs-Singh, MD MPH

Dr. Tracy Proverbs-Singh specializes in medical oncology and is board certified. She received her medical degree from University of Pittsburgh and completed her internal medicine residency at Mount Sinai Hospital.

Medical Education: University of Pittsburgh
Residency Internship: Mount Sinai Hospital
Certification: Internal Medicine
Languages: English

Lori Ann Leslie, MD

Dr. Lori Ann Leslie specializes in hematology and medical oncology. Her specific clinical and research interests include non-Hodgkin lymphoma, Hodgkin lymphoma, and chronic lymphocytic leukemia.

Dr. Leslie received her MD from Columbia University College of Physicians and Surgeons, and stayed at Columbia University for internal medicine residency. She completed fellowship training at The University of Texas M.D. Anderson Cancer Center, where she served as Chief Fellow. Born and raised in Morristown, NJ, Dr. Leslie is ecstatic about the opportunity to return to her home state and join the John Theurer Cancer Center.

  • Medical Education: Columbia University, College of Physicians and Surgeons.
  • Internal Medicine Internship and Residency: New York Presbyterian Hospital, Columbia University.
  • Hematology/Oncology Fellowship: The University of Texas, MD Anderson Cancer Center.
  • Board Certifications/Eligibility: Hematology and Medical Oncology board eligible in 2015, Internal Medicine board certified in 2012
  • Memberships: American Society of Clinical Oncology, American Society of Hematology
  • Specializations: Lymphoma and CLL
  • Research Interests: Lymphoma and CLL
  • Languages Spoken: English

Jamie Koprivnikar, MD

Dr. Jamie Koprvinikar specializes in hematology and medical oncology and is board certified in both. She also holds a board certification in internal medicine.

Dr. Koprivnikar received her medical degree from the Sidney Kimmel Medical College, formerly Jefferson Medical College of Thomas Jefferson University, in Philadelphia, PA. She completed her internal medicine residency at MedStar Georgetown University Medical Center in Washington, DC. She then completed a fellowship in hematology and oncology, also at MedStar Georgetown University Medical Center. She was chosen to serve as chief fellow during her third and final year of fellowship.

Dr. Koprivnikar spent the early part of her career on faculty at MedStar Georgetown University Medical Center where she was active in teaching medical students, residents, and fellows. She also served as the medical co-director of the Patient Blood Management Program and was active on the institutional review board and as an investigator on many clinical trials. She is a member of the American Society of Hematology.

  • Medical Education: Sidney Kimmel Medical College, Philadelphia, PA
  • Residency: MedStar Georgetown University Medical Center, Washington, DC
  • Fellowship: MedStar Georgetown University Medical Center, Washington, DC
  • Board Certifications: Hematology, oncology, internal medicine
  • Specializations: Hematology, medical oncology
  • Research Interests: Leukemia, myelodysplastic syndrome, myeloproliferative neoplasms, aplastic anemia
  • Memberships: American Society of Hematology
  • Languages Spoken: English

Mira Hellmann, MD

Dr. Mira Hellmann specializes in Gynecologic Oncology. She treats all subtypes of gynecologic cancers including uterus, cervix, fallopian tube, ovaries, primary peritoneal, vaginal and vulvar cancer. The scope of her surgical expertise includes both traditional open surgery, as well as minimally invasive surgery. She has extensive expertise in complex laparoscopic surgery as well as robotic surgery.

Her research focus is in clinical research, including cooperative group studies, both industry-sponsored and investigator-initiated. She enjoys having the opportunity to offer patients the possibility of participating in the most cutting edge research, if they are inclined to do so.

Dr. Hellmann received her MD at SUNY Downstate in Brooklyn, and is a lifelong member of AOA. She completed her residency on Long Island Jewish Medical Center, and returned to SUNY Downstate for her fellowship training. She maintained a faculty position in central New Jersey for eight years where she developed a robust practice in a short period of time. She was active in resident and student education. She also helped spearhead a minimally invasive center that was a comprehensive resource for minimally invasive surgeons across multiple cancer specialties. She is looking forward to establishing her practice at the John Theurer Cancer Center, and to providing the highest quality of care to her patients.

Dr. Hellmann is board certified in both Obstetrics and Gynecology as well as Gynecologic Oncology.

  • Medical Education: SUNY Health Science Center at Brooklyn
  • Internship/Residency: Long Island Jewish Medical Center
  • Fellowship: SUNY Health Science Center at Brooklyn
  • Specialization: Gynecologic Oncology
  • Board Certification: Obstetrics and Gynecology, Gynecologic Oncology
  • Research Interests: Surgical innovation, clinical trials in gynecologic oncology
  • Membership: American Board of Obstetrics and Gynecology, Society of Gynecologic Oncology, Alpha Omega Alpha
  • Languages: English, Hebrew

Alan Skarbnik, MD

Alan Pierre Zausner Skarbnik, M.D. serves as a staff physician in both the Department of Bone Marrow Transplantation and the Department of Lymphoma at John Theurer Cancer Center.

Prior to joining John Theurer Cancer Center at Hackensack University Medical Center, Dr. Skarbnik was a clinical instructor in the Department of Hematology and Hematopoietic Cell Transplantation at the City of Hope National Medical Center in Duarte, California. Dr. Skarbnik also previously served as Chief Fellow of Medical Oncology and Hematology at Fox Chase Cancer Center and Temple University Hospital, and practiced at Columbia University College of Physicians and Surgeons/St. Luke’s-Roosevelt Medical Center in their internal medicine internship and residency after moving his medical career to the United States from his native Brazil.

Dr. Skarbnik has a rich research background, having served as a primary investigator at Fox Chase Cancer Center to identify biomarkers of sensitivity to mTOR inhibitors in renal cell cancer tumor samples, co-primary investigator in a Phase II study of Rituximab Intense Dosing with CHOP-21 in a 2011 ASCO/AACR workshop, and investigated the role of JAK mutations in the development of acute lymphoblastic leukemia at Memorial Sloan Kettering’s Human Oncopathogenesis Program. Dr. Skarbnik has also been extensively published and has participated in a number of presentations and poster sessions at major medical meetings.

Dr. Skarbnik specializes in hematology/oncology, and has extensive experience in a range of medical volunteer work conducted across the globe.

  • Medical Education: Universidade de Sao Paulo, Brazil
  • Residency: Columbia University College of Physicians and Surgeons/St. Luke’s-Roosevelt Medical Center, Internal Medicine Internship and Residency, 2007-2010. Hospital das Clinicas, University of Sao Paulo, Brazil, Internal Medicine Residency, 2005-2007.
  • Fellowships: City of Hope National Medical Center, Adult Hematopoietic Stem Cell Transplantation, 2013-2014. Fox Chase Cancer Center Chief Fellow 2012-2013. Fox Chase Cancer Center and Temple University Hospital, Medical Oncology and Hematology, 2010-2013.
  • Internship: Hospital das Clinicas, University of Sao Paulo, Brazil, 2002-2003.
  • Board Certifications: 2013 board-certified, American Board of Internal Medicine, Medical Oncology. 2013 board-certified, American Board of Internal Medicine, Hematology. 2010 board-certified, American Board of Internal Medicine, Internal Medicine. ACLS certification updated in 2013.
  • Honors/Awards: ASCO 2013 Merit Award. LeDor VaDor Award, presented by the President of Brazil of voluntary work. ASCO/AACR Vail Cancer Workshop selection – 2011.
  • Languages: English, Portuguese, Spanish
  • Hobbies/Interests: Multi-instrumentalist, has played in a Brazilian band

James K. McCloskey II, MD

James K. McCloskey II, M.D., works in the Division of Leukemia and the Adult Blood and Marrow Stem Cell Transplantation Program at John Theurer Cancer Center. Prior to his current position, Dr. McCloskey was a fellow in the Department of Hematology and Oncology at Georgetown University Hospital.

Dr. McCloskey has extensive research experience, serving as primary investigator in a Phase I/II non-randomized study of birinapant in combination with decitabine in patients with relapsed or refractory myelodysplastic syndrome and acute myelogenous leukemia, and was a primary investigator of cellular and molecular characterization of the immune response and minimal residual disease in patients who have completed treatment for acute myeloid leukemia. Dr. McCloskey has additionally presented a range of clinical work at major medical conferences, including MedStar Washington Hospital center multi-institutional lymphoma teleconference, Georgetown University Research Day and the Society of Comparative and Integrative Biology. Dr. McCloskey’s research has been published in the Journal of Coagulation Disorders, Advances in Clinical Oncology and Breast Cancer Research and Treatment.

Dr. McCloskey has deep roots in the philanthropic community; worked with the Lymphoma Research Foundation since 2011; and has volunteered with Food and Friends, a nonprofit that prepares and delivers meals and groceries to D.C. residents living with HIV/AIDS, cancer and other conditions since 2004.

  • Medical Education: Georgetown University School of Medicine
  • Residency: Georgetown University Hospital, Internal Medicine Resident, July 2009-2011
  • Fellowships: Chief Fellow, Department of Hematology and Oncology, Georgetown University Hospital, 2013-2014. Fellow, Department of Hematology and Oncology, Georgetown University Hospital, 2009-2013.
  • Internship: Georgetown University Hospital, Internal Medicine Intern, 2009-2011.
  • Board Certifications: 2014 board-eligible, Hematology and Oncology. 2011 board-certified, American Board of Internal Medicine.
  • Honors/Awards: Hematology Fellows Consortium Workshop, 2013. AACR/ASCO Methods of Cancer Research Workshop, 2013. Dr. Allen J. Goody Memorial Award for excellence in teaching, peer mentorship and personal integrity, Georgetown University Hospital, 2011.
  • Memberships: American Society of Clinical Oncology, American Association of Cancer Research, Housestaff Quality Council, Chemotherapy Utilization Committee, American Society of Hematology.

Samuel Singer, MD

Samuel Singer, M.D. is a neuro-oncologist at the Neurological Oncology Division – The Brain and Spine Institute at John Theurer Cancer Center. In addition to treating patients with primary brain tumors and brain metastases, he is also actively involved in research into novel therapies for these illnesses. Cancers and their treatments are frequently associated with an array of neurologic problems, including stroke, epilepsy, neuropathy and neurologic autoimmune disease, and Dr. Singer specializes in diagnosing and treating these conditions.

Prior to joining the John Theurer Cancer Center, Dr. Singer completed a fellowship in neuro-oncology at Memorial Sloan-Kettering Cancer Center and his residency in neurology at New York-Presbyterian Hospital/Weill Cornell Medical Center.

Dr. Singer is a member of the American Academy of Neurology, the American Society of Clinical Oncology and the Society for Neuro-Oncology. He is widely published in peer-reviewed journals, including Neurosurgery, Neurology, Stroke and The Oncologist.

  • Medical Education: Albert Einstein College of Medicine, Bronx, NY
  • Residency: New York-Presbyterian Hospital/Weill Cornell Medical Center, New York, NY
  • Fellowships: Memorial Sloan-Kettering Cancer Center, New York, NY
  • Board Certifications: Diplomate, American Board of Psychiatry and Neurology
  • Specializations: Neurology
  • Memberships:
    • Alpha Omega Alpha Medical Honor Society 2007
    • American Academy of Neurology, since 2009
    • American Society Clinical Oncology, since 2012
    • Society for Neuro-Oncology, since 2012
  • Languages Spoken: English, Hebrew

Noa Biran, MD

Noa Biran, MD, joined the Myeloma Division at John Theurer Cancer Center in September 2014.

Dr. Biran previously served as Chief Fellow of Hematology and Medical Oncology at Icahn School of Medicine at Mount Sinai, New York, where she also practiced in their internal medicine internship and residency. She received her medical degree from The George Washington University in Washington, D.C. As a fellow at Icahn School of Medicine, Dr. Biran participated in numerous lecture series and training sessions for medical students, residents, and nurse practitioners.

Dr. Biran is actively involved with clinical research focusing on multiple myeloma. She has presented a range of clinical work at international and national conferences such as the American Society of Hematology and the Society of Hematologic Oncology. She is widely published in hematology and oncology journals such as American Journal of Hematology, Current Hematologic Malignancy Reports, and The Hemophilia Report, with a research focus on high-risk multiple myeloma and the role of minimal residual disease in multiple myeloma. She has also co-authored a chapter in Essentials of Hospital Medicine: A Practical Guide for Clinicians, entitled “Oncologic Emergencies.” She is an active and valued member of the European Society for Medical Oncology, American Society of Clinical Oncology and American Society of Hematology.

Robert S. Alter, MD

Dr. Robert Alter specializes in medical oncology and hematology, and is board certified in internal medicine, medical oncology and hematology. For more than 15 years, Dr. Alter has been treating patients in the New Jersey community. Dr. Alter is actively involved in genitourinary and head and neck cancer research.

Dr. Alter received his medical degree from the University of Health Sciences/The Chicago Medical School. He completed his residency at St. Luke’s/Roosevelt Hospital Center, New York, New York in internal medicine and received his fellowship training at New York University Medical Center in hematology/oncology.

Dr. Alter holds an appointment at Hackensack University Medical Center. He is also the Chairman of the Transfusion Committee at St. Clare’s Hospital, and a member of the American Cancer Society.

Tracy Proverbs-Singh, MD MPH

Dr. Tracy Proverbs-Singh specializes in medical oncology and is board certified. She received her medical degree from University of Pittsburgh and completed her internal medicine residency at Mount Sinai Hospital.

Medical Education: University of Pittsburgh
Residency Internship: Mount Sinai Hospital
Certification: Internal Medicine
Languages: English

Lori Ann Leslie, MD

Dr. Lori Ann Leslie specializes in hematology and medical oncology. Her specific clinical and research interests include non-Hodgkin lymphoma, Hodgkin lymphoma, and chronic lymphocytic leukemia.

Dr. Leslie received her MD from Columbia University College of Physicians and Surgeons, and stayed at Columbia University for internal medicine residency. She completed fellowship training at The University of Texas M.D. Anderson Cancer Center, where she served as Chief Fellow. Born and raised in Morristown, NJ, Dr. Leslie is ecstatic about the opportunity to return to her home state and join the John Theurer Cancer Center.

  • Medical Education: Columbia University, College of Physicians and Surgeons.
  • Internal Medicine Internship and Residency: New York Presbyterian Hospital, Columbia University.
  • Hematology/Oncology Fellowship: The University of Texas, MD Anderson Cancer Center.
  • Board Certifications/Eligibility: Hematology and Medical Oncology board eligible in 2015, Internal Medicine board certified in 2012
  • Memberships: American Society of Clinical Oncology, American Society of Hematology
  • Specializations: Lymphoma and CLL
  • Research Interests: Lymphoma and CLL
  • Languages Spoken: English

Jamie Koprivnikar, MD

Dr. Jamie Koprvinikar specializes in hematology and medical oncology and is board certified in both. She also holds a board certification in internal medicine.

Dr. Koprivnikar received her medical degree from the Sidney Kimmel Medical College, formerly Jefferson Medical College of Thomas Jefferson University, in Philadelphia, PA. She completed her internal medicine residency at MedStar Georgetown University Medical Center in Washington, DC. She then completed a fellowship in hematology and oncology, also at MedStar Georgetown University Medical Center. She was chosen to serve as chief fellow during her third and final year of fellowship.

Dr. Koprivnikar spent the early part of her career on faculty at MedStar Georgetown University Medical Center where she was active in teaching medical students, residents, and fellows. She also served as the medical co-director of the Patient Blood Management Program and was active on the institutional review board and as an investigator on many clinical trials. She is a member of the American Society of Hematology.

  • Medical Education: Sidney Kimmel Medical College, Philadelphia, PA
  • Residency: MedStar Georgetown University Medical Center, Washington, DC
  • Fellowship: MedStar Georgetown University Medical Center, Washington, DC
  • Board Certifications: Hematology, oncology, internal medicine
  • Specializations: Hematology, medical oncology
  • Research Interests: Leukemia, myelodysplastic syndrome, myeloproliferative neoplasms, aplastic anemia
  • Memberships: American Society of Hematology
  • Languages Spoken: English

Mira Hellmann, MD

Dr. Mira Hellmann specializes in Gynecologic Oncology. She treats all subtypes of gynecologic cancers including uterus, cervix, fallopian tube, ovaries, primary peritoneal, vaginal and vulvar cancer. The scope of her surgical expertise includes both traditional open surgery, as well as minimally invasive surgery. She has extensive expertise in complex laparoscopic surgery as well as robotic surgery.

Her research focus is in clinical research, including cooperative group studies, both industry-sponsored and investigator-initiated. She enjoys having the opportunity to offer patients the possibility of participating in the most cutting edge research, if they are inclined to do so.

Dr. Hellmann received her MD at SUNY Downstate in Brooklyn, and is a lifelong member of AOA. She completed her residency on Long Island Jewish Medical Center, and returned to SUNY Downstate for her fellowship training. She maintained a faculty position in central New Jersey for eight years where she developed a robust practice in a short period of time. She was active in resident and student education. She also helped spearhead a minimally invasive center that was a comprehensive resource for minimally invasive surgeons across multiple cancer specialties. She is looking forward to establishing her practice at the John Theurer Cancer Center, and to providing the highest quality of care to her patients.

Dr. Hellmann is board certified in both Obstetrics and Gynecology as well as Gynecologic Oncology.

  • Medical Education: SUNY Health Science Center at Brooklyn
  • Internship/Residency: Long Island Jewish Medical Center
  • Fellowship: SUNY Health Science Center at Brooklyn
  • Specialization: Gynecologic Oncology
  • Board Certification: Obstetrics and Gynecology, Gynecologic Oncology
  • Research Interests: Surgical innovation, clinical trials in gynecologic oncology
  • Membership: American Board of Obstetrics and Gynecology, Society of Gynecologic Oncology, Alpha Omega Alpha
  • Languages: English, Hebrew

Alan Skarbnik, MD

Alan Pierre Zausner Skarbnik, M.D. serves as a staff physician in both the Department of Bone Marrow Transplantation and the Department of Lymphoma at John Theurer Cancer Center.

Prior to joining John Theurer Cancer Center at Hackensack University Medical Center, Dr. Skarbnik was a clinical instructor in the Department of Hematology and Hematopoietic Cell Transplantation at the City of Hope National Medical Center in Duarte, California. Dr. Skarbnik also previously served as Chief Fellow of Medical Oncology and Hematology at Fox Chase Cancer Center and Temple University Hospital, and practiced at Columbia University College of Physicians and Surgeons/St. Luke’s-Roosevelt Medical Center in their internal medicine internship and residency after moving his medical career to the United States from his native Brazil.

Dr. Skarbnik has a rich research background, having served as a primary investigator at Fox Chase Cancer Center to identify biomarkers of sensitivity to mTOR inhibitors in renal cell cancer tumor samples, co-primary investigator in a Phase II study of Rituximab Intense Dosing with CHOP-21 in a 2011 ASCO/AACR workshop, and investigated the role of JAK mutations in the development of acute lymphoblastic leukemia at Memorial Sloan Kettering’s Human Oncopathogenesis Program. Dr. Skarbnik has also been extensively published and has participated in a number of presentations and poster sessions at major medical meetings.

Dr. Skarbnik specializes in hematology/oncology, and has extensive experience in a range of medical volunteer work conducted across the globe.

  • Medical Education: Universidade de Sao Paulo, Brazil
  • Residency: Columbia University College of Physicians and Surgeons/St. Luke’s-Roosevelt Medical Center, Internal Medicine Internship and Residency, 2007-2010. Hospital das Clinicas, University of Sao Paulo, Brazil, Internal Medicine Residency, 2005-2007.
  • Fellowships: City of Hope National Medical Center, Adult Hematopoietic Stem Cell Transplantation, 2013-2014. Fox Chase Cancer Center Chief Fellow 2012-2013. Fox Chase Cancer Center and Temple University Hospital, Medical Oncology and Hematology, 2010-2013.
  • Internship: Hospital das Clinicas, University of Sao Paulo, Brazil, 2002-2003.
  • Board Certifications: 2013 board-certified, American Board of Internal Medicine, Medical Oncology. 2013 board-certified, American Board of Internal Medicine, Hematology. 2010 board-certified, American Board of Internal Medicine, Internal Medicine. ACLS certification updated in 2013.
  • Honors/Awards: ASCO 2013 Merit Award. LeDor VaDor Award, presented by the President of Brazil of voluntary work. ASCO/AACR Vail Cancer Workshop selection – 2011.
  • Languages: English, Portuguese, Spanish
  • Hobbies/Interests: Multi-instrumentalist, has played in a Brazilian band

James K. McCloskey II, MD

James K. McCloskey II, M.D., works in the Division of Leukemia and the Adult Blood and Marrow Stem Cell Transplantation Program at John Theurer Cancer Center. Prior to his current position, Dr. McCloskey was a fellow in the Department of Hematology and Oncology at Georgetown University Hospital.

Dr. McCloskey has extensive research experience, serving as primary investigator in a Phase I/II non-randomized study of birinapant in combination with decitabine in patients with relapsed or refractory myelodysplastic syndrome and acute myelogenous leukemia, and was a primary investigator of cellular and molecular characterization of the immune response and minimal residual disease in patients who have completed treatment for acute myeloid leukemia. Dr. McCloskey has additionally presented a range of clinical work at major medical conferences, including MedStar Washington Hospital center multi-institutional lymphoma teleconference, Georgetown University Research Day and the Society of Comparative and Integrative Biology. Dr. McCloskey’s research has been published in the Journal of Coagulation Disorders, Advances in Clinical Oncology and Breast Cancer Research and Treatment.

Dr. McCloskey has deep roots in the philanthropic community; worked with the Lymphoma Research Foundation since 2011; and has volunteered with Food and Friends, a nonprofit that prepares and delivers meals and groceries to D.C. residents living with HIV/AIDS, cancer and other conditions since 2004.

  • Medical Education: Georgetown University School of Medicine
  • Residency: Georgetown University Hospital, Internal Medicine Resident, July 2009-2011
  • Fellowships: Chief Fellow, Department of Hematology and Oncology, Georgetown University Hospital, 2013-2014. Fellow, Department of Hematology and Oncology, Georgetown University Hospital, 2009-2013.
  • Internship: Georgetown University Hospital, Internal Medicine Intern, 2009-2011.
  • Board Certifications: 2014 board-eligible, Hematology and Oncology. 2011 board-certified, American Board of Internal Medicine.
  • Honors/Awards: Hematology Fellows Consortium Workshop, 2013. AACR/ASCO Methods of Cancer Research Workshop, 2013. Dr. Allen J. Goody Memorial Award for excellence in teaching, peer mentorship and personal integrity, Georgetown University Hospital, 2011.
  • Memberships: American Society of Clinical Oncology, American Association of Cancer Research, Housestaff Quality Council, Chemotherapy Utilization Committee, American Society of Hematology.

Samuel Singer, MD

Samuel Singer, M.D. is a neuro-oncologist at the Neurological Oncology Division – The Brain and Spine Institute at John Theurer Cancer Center. In addition to treating patients with primary brain tumors and brain metastases, he is also actively involved in research into novel therapies for these illnesses. Cancers and their treatments are frequently associated with an array of neurologic problems, including stroke, epilepsy, neuropathy and neurologic autoimmune disease, and Dr. Singer specializes in diagnosing and treating these conditions.

Prior to joining the John Theurer Cancer Center, Dr. Singer completed a fellowship in neuro-oncology at Memorial Sloan-Kettering Cancer Center and his residency in neurology at New York-Presbyterian Hospital/Weill Cornell Medical Center.

Dr. Singer is a member of the American Academy of Neurology, the American Society of Clinical Oncology and the Society for Neuro-Oncology. He is widely published in peer-reviewed journals, including Neurosurgery, Neurology, Stroke and The Oncologist.

  • Medical Education: Albert Einstein College of Medicine, Bronx, NY
  • Residency: New York-Presbyterian Hospital/Weill Cornell Medical Center, New York, NY
  • Fellowships: Memorial Sloan-Kettering Cancer Center, New York, NY
  • Board Certifications: Diplomate, American Board of Psychiatry and Neurology
  • Specializations: Neurology
  • Memberships:
    • Alpha Omega Alpha Medical Honor Society 2007
    • American Academy of Neurology, since 2009
    • American Society Clinical Oncology, since 2012
    • Society for Neuro-Oncology, since 2012
  • Languages Spoken: English, Hebrew

Noa Biran, MD

Noa Biran, MD, joined the Myeloma Division at John Theurer Cancer Center in September 2014.

Dr. Biran previously served as Chief Fellow of Hematology and Medical Oncology at Icahn School of Medicine at Mount Sinai, New York, where she also practiced in their internal medicine internship and residency. She received her medical degree from The George Washington University in Washington, D.C. As a fellow at Icahn School of Medicine, Dr. Biran participated in numerous lecture series and training sessions for medical students, residents, and nurse practitioners.

Dr. Biran is actively involved with clinical research focusing on multiple myeloma. She has presented a range of clinical work at international and national conferences such as the American Society of Hematology and the Society of Hematologic Oncology. She is widely published in hematology and oncology journals such as American Journal of Hematology, Current Hematologic Malignancy Reports, and The Hemophilia Report, with a research focus on high-risk multiple myeloma and the role of minimal residual disease in multiple myeloma. She has also co-authored a chapter in Essentials of Hospital Medicine: A Practical Guide for Clinicians, entitled “Oncologic Emergencies.” She is an active and valued member of the European Society for Medical Oncology, American Society of Clinical Oncology and American Society of Hematology.

Robert S. Alter, MD

Dr. Robert Alter specializes in medical oncology and hematology, and is board certified in internal medicine, medical oncology and hematology. For more than 15 years, Dr. Alter has been treating patients in the New Jersey community. Dr. Alter is actively involved in genitourinary and head and neck cancer research.

Dr. Alter received his medical degree from the University of Health Sciences/The Chicago Medical School. He completed his residency at St. Luke’s/Roosevelt Hospital Center, New York, New York in internal medicine and received his fellowship training at New York University Medical Center in hematology/oncology.

Dr. Alter holds an appointment at Hackensack University Medical Center. He is also the Chairman of the Transfusion Committee at St. Clare’s Hospital, and a member of the American Cancer Society.

Tracy Proverbs-Singh, MD MPH

Dr. Tracy Proverbs-Singh specializes in medical oncology and is board certified. She received her medical degree from University of Pittsburgh and completed her internal medicine residency at Mount Sinai Hospital.

Medical Education: University of Pittsburgh
Residency Internship: Mount Sinai Hospital
Certification: Internal Medicine
Languages: English

Lori Ann Leslie, MD

Dr. Lori Ann Leslie specializes in hematology and medical oncology. Her specific clinical and research interests include non-Hodgkin lymphoma, Hodgkin lymphoma, and chronic lymphocytic leukemia.

Dr. Leslie received her MD from Columbia University College of Physicians and Surgeons, and stayed at Columbia University for internal medicine residency. She completed fellowship training at The University of Texas M.D. Anderson Cancer Center, where she served as Chief Fellow. Born and raised in Morristown, NJ, Dr. Leslie is ecstatic about the opportunity to return to her home state and join the John Theurer Cancer Center.

  • Medical Education: Columbia University, College of Physicians and Surgeons.
  • Internal Medicine Internship and Residency: New York Presbyterian Hospital, Columbia University.
  • Hematology/Oncology Fellowship: The University of Texas, MD Anderson Cancer Center.
  • Board Certifications/Eligibility: Hematology and Medical Oncology board eligible in 2015, Internal Medicine board certified in 2012
  • Memberships: American Society of Clinical Oncology, American Society of Hematology
  • Specializations: Lymphoma and CLL
  • Research Interests: Lymphoma and CLL
  • Languages Spoken: English

Jamie Koprivnikar, MD

Dr. Jamie Koprvinikar specializes in hematology and medical oncology and is board certified in both. She also holds a board certification in internal medicine.

Dr. Koprivnikar received her medical degree from the Sidney Kimmel Medical College, formerly Jefferson Medical College of Thomas Jefferson University, in Philadelphia, PA. She completed her internal medicine residency at MedStar Georgetown University Medical Center in Washington, DC. She then completed a fellowship in hematology and oncology, also at MedStar Georgetown University Medical Center. She was chosen to serve as chief fellow during her third and final year of fellowship.

Dr. Koprivnikar spent the early part of her career on faculty at MedStar Georgetown University Medical Center where she was active in teaching medical students, residents, and fellows. She also served as the medical co-director of the Patient Blood Management Program and was active on the institutional review board and as an investigator on many clinical trials. She is a member of the American Society of Hematology.

  • Medical Education: Sidney Kimmel Medical College, Philadelphia, PA
  • Residency: MedStar Georgetown University Medical Center, Washington, DC
  • Fellowship: MedStar Georgetown University Medical Center, Washington, DC
  • Board Certifications: Hematology, oncology, internal medicine
  • Specializations: Hematology, medical oncology
  • Research Interests: Leukemia, myelodysplastic syndrome, myeloproliferative neoplasms, aplastic anemia
  • Memberships: American Society of Hematology
  • Languages Spoken: English

Mira Hellmann, MD

Dr. Mira Hellmann specializes in Gynecologic Oncology. She treats all subtypes of gynecologic cancers including uterus, cervix, fallopian tube, ovaries, primary peritoneal, vaginal and vulvar cancer. The scope of her surgical expertise includes both traditional open surgery, as well as minimally invasive surgery. She has extensive expertise in complex laparoscopic surgery as well as robotic surgery.

Her research focus is in clinical research, including cooperative group studies, both industry-sponsored and investigator-initiated. She enjoys having the opportunity to offer patients the possibility of participating in the most cutting edge research, if they are inclined to do so.

Dr. Hellmann received her MD at SUNY Downstate in Brooklyn, and is a lifelong member of AOA. She completed her residency on Long Island Jewish Medical Center, and returned to SUNY Downstate for her fellowship training. She maintained a faculty position in central New Jersey for eight years where she developed a robust practice in a short period of time. She was active in resident and student education. She also helped spearhead a minimally invasive center that was a comprehensive resource for minimally invasive surgeons across multiple cancer specialties. She is looking forward to establishing her practice at the John Theurer Cancer Center, and to providing the highest quality of care to her patients.

Dr. Hellmann is board certified in both Obstetrics and Gynecology as well as Gynecologic Oncology.

  • Medical Education: SUNY Health Science Center at Brooklyn
  • Internship/Residency: Long Island Jewish Medical Center
  • Fellowship: SUNY Health Science Center at Brooklyn
  • Specialization: Gynecologic Oncology
  • Board Certification: Obstetrics and Gynecology, Gynecologic Oncology
  • Research Interests: Surgical innovation, clinical trials in gynecologic oncology
  • Membership: American Board of Obstetrics and Gynecology, Society of Gynecologic Oncology, Alpha Omega Alpha
  • Languages: English, Hebrew

Alan Skarbnik, MD

Alan Pierre Zausner Skarbnik, M.D. serves as a staff physician in both the Department of Bone Marrow Transplantation and the Department of Lymphoma at John Theurer Cancer Center.

Prior to joining John Theurer Cancer Center at Hackensack University Medical Center, Dr. Skarbnik was a clinical instructor in the Department of Hematology and Hematopoietic Cell Transplantation at the City of Hope National Medical Center in Duarte, California. Dr. Skarbnik also previously served as Chief Fellow of Medical Oncology and Hematology at Fox Chase Cancer Center and Temple University Hospital, and practiced at Columbia University College of Physicians and Surgeons/St. Luke’s-Roosevelt Medical Center in their internal medicine internship and residency after moving his medical career to the United States from his native Brazil.

Dr. Skarbnik has a rich research background, having served as a primary investigator at Fox Chase Cancer Center to identify biomarkers of sensitivity to mTOR inhibitors in renal cell cancer tumor samples, co-primary investigator in a Phase II study of Rituximab Intense Dosing with CHOP-21 in a 2011 ASCO/AACR workshop, and investigated the role of JAK mutations in the development of acute lymphoblastic leukemia at Memorial Sloan Kettering’s Human Oncopathogenesis Program. Dr. Skarbnik has also been extensively published and has participated in a number of presentations and poster sessions at major medical meetings.

Dr. Skarbnik specializes in hematology/oncology, and has extensive experience in a range of medical volunteer work conducted across the globe.

  • Medical Education: Universidade de Sao Paulo, Brazil
  • Residency: Columbia University College of Physicians and Surgeons/St. Luke’s-Roosevelt Medical Center, Internal Medicine Internship and Residency, 2007-2010. Hospital das Clinicas, University of Sao Paulo, Brazil, Internal Medicine Residency, 2005-2007.
  • Fellowships: City of Hope National Medical Center, Adult Hematopoietic Stem Cell Transplantation, 2013-2014. Fox Chase Cancer Center Chief Fellow 2012-2013. Fox Chase Cancer Center and Temple University Hospital, Medical Oncology and Hematology, 2010-2013.
  • Internship: Hospital das Clinicas, University of Sao Paulo, Brazil, 2002-2003.
  • Board Certifications: 2013 board-certified, American Board of Internal Medicine, Medical Oncology. 2013 board-certified, American Board of Internal Medicine, Hematology. 2010 board-certified, American Board of Internal Medicine, Internal Medicine. ACLS certification updated in 2013.
  • Honors/Awards: ASCO 2013 Merit Award. LeDor VaDor Award, presented by the President of Brazil of voluntary work. ASCO/AACR Vail Cancer Workshop selection – 2011.
  • Languages: English, Portuguese, Spanish
  • Hobbies/Interests: Multi-instrumentalist, has played in a Brazilian band

James K. McCloskey II, MD

James K. McCloskey II, M.D., works in the Division of Leukemia and the Adult Blood and Marrow Stem Cell Transplantation Program at John Theurer Cancer Center. Prior to his current position, Dr. McCloskey was a fellow in the Department of Hematology and Oncology at Georgetown University Hospital.

Dr. McCloskey has extensive research experience, serving as primary investigator in a Phase I/II non-randomized study of birinapant in combination with decitabine in patients with relapsed or refractory myelodysplastic syndrome and acute myelogenous leukemia, and was a primary investigator of cellular and molecular characterization of the immune response and minimal residual disease in patients who have completed treatment for acute myeloid leukemia. Dr. McCloskey has additionally presented a range of clinical work at major medical conferences, including MedStar Washington Hospital center multi-institutional lymphoma teleconference, Georgetown University Research Day and the Society of Comparative and Integrative Biology. Dr. McCloskey’s research has been published in the Journal of Coagulation Disorders, Advances in Clinical Oncology and Breast Cancer Research and Treatment.

Dr. McCloskey has deep roots in the philanthropic community; worked with the Lymphoma Research Foundation since 2011; and has volunteered with Food and Friends, a nonprofit that prepares and delivers meals and groceries to D.C. residents living with HIV/AIDS, cancer and other conditions since 2004.

  • Medical Education: Georgetown University School of Medicine
  • Residency: Georgetown University Hospital, Internal Medicine Resident, July 2009-2011
  • Fellowships: Chief Fellow, Department of Hematology and Oncology, Georgetown University Hospital, 2013-2014. Fellow, Department of Hematology and Oncology, Georgetown University Hospital, 2009-2013.
  • Internship: Georgetown University Hospital, Internal Medicine Intern, 2009-2011.
  • Board Certifications: 2014 board-eligible, Hematology and Oncology. 2011 board-certified, American Board of Internal Medicine.
  • Honors/Awards: Hematology Fellows Consortium Workshop, 2013. AACR/ASCO Methods of Cancer Research Workshop, 2013. Dr. Allen J. Goody Memorial Award for excellence in teaching, peer mentorship and personal integrity, Georgetown University Hospital, 2011.
  • Memberships: American Society of Clinical Oncology, American Association of Cancer Research, Housestaff Quality Council, Chemotherapy Utilization Committee, American Society of Hematology.

Samuel Singer, MD

Samuel Singer, M.D. is a neuro-oncologist at the Neurological Oncology Division – The Brain and Spine Institute at John Theurer Cancer Center. In addition to treating patients with primary brain tumors and brain metastases, he is also actively involved in research into novel therapies for these illnesses. Cancers and their treatments are frequently associated with an array of neurologic problems, including stroke, epilepsy, neuropathy and neurologic autoimmune disease, and Dr. Singer specializes in diagnosing and treating these conditions.

Prior to joining the John Theurer Cancer Center, Dr. Singer completed a fellowship in neuro-oncology at Memorial Sloan-Kettering Cancer Center and his residency in neurology at New York-Presbyterian Hospital/Weill Cornell Medical Center.

Dr. Singer is a member of the American Academy of Neurology, the American Society of Clinical Oncology and the Society for Neuro-Oncology. He is widely published in peer-reviewed journals, including Neurosurgery, Neurology, Stroke and The Oncologist.

  • Medical Education: Albert Einstein College of Medicine, Bronx, NY
  • Residency: New York-Presbyterian Hospital/Weill Cornell Medical Center, New York, NY
  • Fellowships: Memorial Sloan-Kettering Cancer Center, New York, NY
  • Board Certifications: Diplomate, American Board of Psychiatry and Neurology
  • Specializations: Neurology
  • Memberships:
    • Alpha Omega Alpha Medical Honor Society 2007
    • American Academy of Neurology, since 2009
    • American Society Clinical Oncology, since 2012
    • Society for Neuro-Oncology, since 2012
  • Languages Spoken: English, Hebrew

Noa Biran, MD

Noa Biran, MD, joined the Myeloma Division at John Theurer Cancer Center in September 2014.

Dr. Biran previously served as Chief Fellow of Hematology and Medical Oncology at Icahn School of Medicine at Mount Sinai, New York, where she also practiced in their internal medicine internship and residency. She received her medical degree from The George Washington University in Washington, D.C. As a fellow at Icahn School of Medicine, Dr. Biran participated in numerous lecture series and training sessions for medical students, residents, and nurse practitioners.

Dr. Biran is actively involved with clinical research focusing on multiple myeloma. She has presented a range of clinical work at international and national conferences such as the American Society of Hematology and the Society of Hematologic Oncology. She is widely published in hematology and oncology journals such as American Journal of Hematology, Current Hematologic Malignancy Reports, and The Hemophilia Report, with a research focus on high-risk multiple myeloma and the role of minimal residual disease in multiple myeloma. She has also co-authored a chapter in Essentials of Hospital Medicine: A Practical Guide for Clinicians, entitled “Oncologic Emergencies.” She is an active and valued member of the European Society for Medical Oncology, American Society of Clinical Oncology and American Society of Hematology.

Robert S. Alter, MD

Dr. Robert Alter specializes in medical oncology and hematology, and is board certified in internal medicine, medical oncology and hematology. For more than 15 years, Dr. Alter has been treating patients in the New Jersey community. Dr. Alter is actively involved in genitourinary and head and neck cancer research.

Dr. Alter received his medical degree from the University of Health Sciences/The Chicago Medical School. He completed his residency at St. Luke’s/Roosevelt Hospital Center, New York, New York in internal medicine and received his fellowship training at New York University Medical Center in hematology/oncology.

Dr. Alter holds an appointment at Hackensack University Medical Center. He is also the Chairman of the Transfusion Committee at St. Clare’s Hospital, and a member of the American Cancer Society.

Tracy Proverbs-Singh, MD MPH

Dr. Tracy Proverbs-Singh specializes in medical oncology and is board certified. She received her medical degree from University of Pittsburgh and completed her internal medicine residency at Mount Sinai Hospital.

Medical Education: University of Pittsburgh
Residency Internship: Mount Sinai Hospital
Certification: Internal Medicine
Languages: English

Lori Ann Leslie, MD

Dr. Lori Ann Leslie specializes in hematology and medical oncology. Her specific clinical and research interests include non-Hodgkin lymphoma, Hodgkin lymphoma, and chronic lymphocytic leukemia.

Dr. Leslie received her MD from Columbia University College of Physicians and Surgeons, and stayed at Columbia University for internal medicine residency. She completed fellowship training at The University of Texas M.D. Anderson Cancer Center, where she served as Chief Fellow. Born and raised in Morristown, NJ, Dr. Leslie is ecstatic about the opportunity to return to her home state and join the John Theurer Cancer Center.

  • Medical Education: Columbia University, College of Physicians and Surgeons.
  • Internal Medicine Internship and Residency: New York Presbyterian Hospital, Columbia University.
  • Hematology/Oncology Fellowship: The University of Texas, MD Anderson Cancer Center.
  • Board Certifications/Eligibility: Hematology and Medical Oncology board eligible in 2015, Internal Medicine board certified in 2012
  • Memberships: American Society of Clinical Oncology, American Society of Hematology
  • Specializations: Lymphoma and CLL
  • Research Interests: Lymphoma and CLL
  • Languages Spoken: English

Jamie Koprivnikar, MD

Dr. Jamie Koprvinikar specializes in hematology and medical oncology and is board certified in both. She also holds a board certification in internal medicine.

Dr. Koprivnikar received her medical degree from the Sidney Kimmel Medical College, formerly Jefferson Medical College of Thomas Jefferson University, in Philadelphia, PA. She completed her internal medicine residency at MedStar Georgetown University Medical Center in Washington, DC. She then completed a fellowship in hematology and oncology, also at MedStar Georgetown University Medical Center. She was chosen to serve as chief fellow during her third and final year of fellowship.

Dr. Koprivnikar spent the early part of her career on faculty at MedStar Georgetown University Medical Center where she was active in teaching medical students, residents, and fellows. She also served as the medical co-director of the Patient Blood Management Program and was active on the institutional review board and as an investigator on many clinical trials. She is a member of the American Society of Hematology.

  • Medical Education: Sidney Kimmel Medical College, Philadelphia, PA
  • Residency: MedStar Georgetown University Medical Center, Washington, DC
  • Fellowship: MedStar Georgetown University Medical Center, Washington, DC
  • Board Certifications: Hematology, oncology, internal medicine
  • Specializations: Hematology, medical oncology
  • Research Interests: Leukemia, myelodysplastic syndrome, myeloproliferative neoplasms, aplastic anemia
  • Memberships: American Society of Hematology
  • Languages Spoken: English

Mira Hellmann, MD

Dr. Mira Hellmann specializes in Gynecologic Oncology. She treats all subtypes of gynecologic cancers including uterus, cervix, fallopian tube, ovaries, primary peritoneal, vaginal and vulvar cancer. The scope of her surgical expertise includes both traditional open surgery, as well as minimally invasive surgery. She has extensive expertise in complex laparoscopic surgery as well as robotic surgery.

Her research focus is in clinical research, including cooperative group studies, both industry-sponsored and investigator-initiated. She enjoys having the opportunity to offer patients the possibility of participating in the most cutting edge research, if they are inclined to do so.

Dr. Hellmann received her MD at SUNY Downstate in Brooklyn, and is a lifelong member of AOA. She completed her residency on Long Island Jewish Medical Center, and returned to SUNY Downstate for her fellowship training. She maintained a faculty position in central New Jersey for eight years where she developed a robust practice in a short period of time. She was active in resident and student education. She also helped spearhead a minimally invasive center that was a comprehensive resource for minimally invasive surgeons across multiple cancer specialties. She is looking forward to establishing her practice at the John Theurer Cancer Center, and to providing the highest quality of care to her patients.

Dr. Hellmann is board certified in both Obstetrics and Gynecology as well as Gynecologic Oncology.

  • Medical Education: SUNY Health Science Center at Brooklyn
  • Internship/Residency: Long Island Jewish Medical Center
  • Fellowship: SUNY Health Science Center at Brooklyn
  • Specialization: Gynecologic Oncology
  • Board Certification: Obstetrics and Gynecology, Gynecologic Oncology
  • Research Interests: Surgical innovation, clinical trials in gynecologic oncology
  • Membership: American Board of Obstetrics and Gynecology, Society of Gynecologic Oncology, Alpha Omega Alpha
  • Languages: English, Hebrew

Alan Skarbnik, MD

Alan Pierre Zausner Skarbnik, M.D. serves as a staff physician in both the Department of Bone Marrow Transplantation and the Department of Lymphoma at John Theurer Cancer Center.

Prior to joining John Theurer Cancer Center at Hackensack University Medical Center, Dr. Skarbnik was a clinical instructor in the Department of Hematology and Hematopoietic Cell Transplantation at the City of Hope National Medical Center in Duarte, California. Dr. Skarbnik also previously served as Chief Fellow of Medical Oncology and Hematology at Fox Chase Cancer Center and Temple University Hospital, and practiced at Columbia University College of Physicians and Surgeons/St. Luke’s-Roosevelt Medical Center in their internal medicine internship and residency after moving his medical career to the United States from his native Brazil.

Dr. Skarbnik has a rich research background, having served as a primary investigator at Fox Chase Cancer Center to identify biomarkers of sensitivity to mTOR inhibitors in renal cell cancer tumor samples, co-primary investigator in a Phase II study of Rituximab Intense Dosing with CHOP-21 in a 2011 ASCO/AACR workshop, and investigated the role of JAK mutations in the development of acute lymphoblastic leukemia at Memorial Sloan Kettering’s Human Oncopathogenesis Program. Dr. Skarbnik has also been extensively published and has participated in a number of presentations and poster sessions at major medical meetings.

Dr. Skarbnik specializes in hematology/oncology, and has extensive experience in a range of medical volunteer work conducted across the globe.

  • Medical Education: Universidade de Sao Paulo, Brazil
  • Residency: Columbia University College of Physicians and Surgeons/St. Luke’s-Roosevelt Medical Center, Internal Medicine Internship and Residency, 2007-2010. Hospital das Clinicas, University of Sao Paulo, Brazil, Internal Medicine Residency, 2005-2007.
  • Fellowships: City of Hope National Medical Center, Adult Hematopoietic Stem Cell Transplantation, 2013-2014. Fox Chase Cancer Center Chief Fellow 2012-2013. Fox Chase Cancer Center and Temple University Hospital, Medical Oncology and Hematology, 2010-2013.
  • Internship: Hospital das Clinicas, University of Sao Paulo, Brazil, 2002-2003.
  • Board Certifications: 2013 board-certified, American Board of Internal Medicine, Medical Oncology. 2013 board-certified, American Board of Internal Medicine, Hematology. 2010 board-certified, American Board of Internal Medicine, Internal Medicine. ACLS certification updated in 2013.
  • Honors/Awards: ASCO 2013 Merit Award. LeDor VaDor Award, presented by the President of Brazil of voluntary work. ASCO/AACR Vail Cancer Workshop selection – 2011.
  • Languages: English, Portuguese, Spanish
  • Hobbies/Interests: Multi-instrumentalist, has played in a Brazilian band

James K. McCloskey II, MD

James K. McCloskey II, M.D., works in the Division of Leukemia and the Adult Blood and Marrow Stem Cell Transplantation Program at John Theurer Cancer Center. Prior to his current position, Dr. McCloskey was a fellow in the Department of Hematology and Oncology at Georgetown University Hospital.

Dr. McCloskey has extensive research experience, serving as primary investigator in a Phase I/II non-randomized study of birinapant in combination with decitabine in patients with relapsed or refractory myelodysplastic syndrome and acute myelogenous leukemia, and was a primary investigator of cellular and molecular characterization of the immune response and minimal residual disease in patients who have completed treatment for acute myeloid leukemia. Dr. McCloskey has additionally presented a range of clinical work at major medical conferences, including MedStar Washington Hospital center multi-institutional lymphoma teleconference, Georgetown University Research Day and the Society of Comparative and Integrative Biology. Dr. McCloskey’s research has been published in the Journal of Coagulation Disorders, Advances in Clinical Oncology and Breast Cancer Research and Treatment.

Dr. McCloskey has deep roots in the philanthropic community; worked with the Lymphoma Research Foundation since 2011; and has volunteered with Food and Friends, a nonprofit that prepares and delivers meals and groceries to D.C. residents living with HIV/AIDS, cancer and other conditions since 2004.

  • Medical Education: Georgetown University School of Medicine
  • Residency: Georgetown University Hospital, Internal Medicine Resident, July 2009-2011
  • Fellowships: Chief Fellow, Department of Hematology and Oncology, Georgetown University Hospital, 2013-2014. Fellow, Department of Hematology and Oncology, Georgetown University Hospital, 2009-2013.
  • Internship: Georgetown University Hospital, Internal Medicine Intern, 2009-2011.
  • Board Certifications: 2014 board-eligible, Hematology and Oncology. 2011 board-certified, American Board of Internal Medicine.
  • Honors/Awards: Hematology Fellows Consortium Workshop, 2013. AACR/ASCO Methods of Cancer Research Workshop, 2013. Dr. Allen J. Goody Memorial Award for excellence in teaching, peer mentorship and personal integrity, Georgetown University Hospital, 2011.
  • Memberships: American Society of Clinical Oncology, American Association of Cancer Research, Housestaff Quality Council, Chemotherapy Utilization Committee, American Society of Hematology.

Samuel Singer, MD

Samuel Singer, M.D. is a neuro-oncologist at the Neurological Oncology Division – The Brain and Spine Institute at John Theurer Cancer Center. In addition to treating patients with primary brain tumors and brain metastases, he is also actively involved in research into novel therapies for these illnesses. Cancers and their treatments are frequently associated with an array of neurologic problems, including stroke, epilepsy, neuropathy and neurologic autoimmune disease, and Dr. Singer specializes in diagnosing and treating these conditions.

Prior to joining the John Theurer Cancer Center, Dr. Singer completed a fellowship in neuro-oncology at Memorial Sloan-Kettering Cancer Center and his residency in neurology at New York-Presbyterian Hospital/Weill Cornell Medical Center.

Dr. Singer is a member of the American Academy of Neurology, the American Society of Clinical Oncology and the Society for Neuro-Oncology. He is widely published in peer-reviewed journals, including Neurosurgery, Neurology, Stroke and The Oncologist.

  • Medical Education: Albert Einstein College of Medicine, Bronx, NY
  • Residency: New York-Presbyterian Hospital/Weill Cornell Medical Center, New York, NY
  • Fellowships: Memorial Sloan-Kettering Cancer Center, New York, NY
  • Board Certifications: Diplomate, American Board of Psychiatry and Neurology
  • Specializations: Neurology
  • Memberships:
    • Alpha Omega Alpha Medical Honor Society 2007
    • American Academy of Neurology, since 2009
    • American Society Clinical Oncology, since 2012
    • Society for Neuro-Oncology, since 2012
  • Languages Spoken: English, Hebrew

Noa Biran, MD

Noa Biran, MD, joined the Myeloma Division at John Theurer Cancer Center in September 2014.

Dr. Biran previously served as Chief Fellow of Hematology and Medical Oncology at Icahn School of Medicine at Mount Sinai, New York, where she also practiced in their internal medicine internship and residency. She received her medical degree from The George Washington University in Washington, D.C. As a fellow at Icahn School of Medicine, Dr. Biran participated in numerous lecture series and training sessions for medical students, residents, and nurse practitioners.

Dr. Biran is actively involved with clinical research focusing on multiple myeloma. She has presented a range of clinical work at international and national conferences such as the American Society of Hematology and the Society of Hematologic Oncology. She is widely published in hematology and oncology journals such as American Journal of Hematology, Current Hematologic Malignancy Reports, and The Hemophilia Report, with a research focus on high-risk multiple myeloma and the role of minimal residual disease in multiple myeloma. She has also co-authored a chapter in Essentials of Hospital Medicine: A Practical Guide for Clinicians, entitled “Oncologic Emergencies.” She is an active and valued member of the European Society for Medical Oncology, American Society of Clinical Oncology and American Society of Hematology.

Robert S. Alter, MD

Dr. Robert Alter specializes in medical oncology and hematology, and is board certified in internal medicine, medical oncology and hematology. For more than 15 years, Dr. Alter has been treating patients in the New Jersey community. Dr. Alter is actively involved in genitourinary and head and neck cancer research.

Dr. Alter received his medical degree from the University of Health Sciences/The Chicago Medical School. He completed his residency at St. Luke’s/Roosevelt Hospital Center, New York, New York in internal medicine and received his fellowship training at New York University Medical Center in hematology/oncology.

Dr. Alter holds an appointment at Hackensack University Medical Center. He is also the Chairman of the Transfusion Committee at St. Clare’s Hospital, and a member of the American Cancer Society.

Tracy Proverbs-Singh, MD MPH

Dr. Tracy Proverbs-Singh specializes in medical oncology and is board certified. She received her medical degree from University of Pittsburgh and completed her internal medicine residency at Mount Sinai Hospital.

Medical Education: University of Pittsburgh
Residency Internship: Mount Sinai Hospital
Certification: Internal Medicine
Languages: English

Lori Ann Leslie, MD

Dr. Lori Ann Leslie specializes in hematology and medical oncology. Her specific clinical and research interests include non-Hodgkin lymphoma, Hodgkin lymphoma, and chronic lymphocytic leukemia.

Dr. Leslie received her MD from Columbia University College of Physicians and Surgeons, and stayed at Columbia University for internal medicine residency. She completed fellowship training at The University of Texas M.D. Anderson Cancer Center, where she served as Chief Fellow. Born and raised in Morristown, NJ, Dr. Leslie is ecstatic about the opportunity to return to her home state and join the John Theurer Cancer Center.

  • Medical Education: Columbia University, College of Physicians and Surgeons.
  • Internal Medicine Internship and Residency: New York Presbyterian Hospital, Columbia University.
  • Hematology/Oncology Fellowship: The University of Texas, MD Anderson Cancer Center.
  • Board Certifications/Eligibility: Hematology and Medical Oncology board eligible in 2015, Internal Medicine board certified in 2012
  • Memberships: American Society of Clinical Oncology, American Society of Hematology
  • Specializations: Lymphoma and CLL
  • Research Interests: Lymphoma and CLL
  • Languages Spoken: English

Jamie Koprivnikar, MD

Dr. Jamie Koprvinikar specializes in hematology and medical oncology and is board certified in both. She also holds a board certification in internal medicine.

Dr. Koprivnikar received her medical degree from the Sidney Kimmel Medical College, formerly Jefferson Medical College of Thomas Jefferson University, in Philadelphia, PA. She completed her internal medicine residency at MedStar Georgetown University Medical Center in Washington, DC. She then completed a fellowship in hematology and oncology, also at MedStar Georgetown University Medical Center. She was chosen to serve as chief fellow during her third and final year of fellowship.

Dr. Koprivnikar spent the early part of her career on faculty at MedStar Georgetown University Medical Center where she was active in teaching medical students, residents, and fellows. She also served as the medical co-director of the Patient Blood Management Program and was active on the institutional review board and as an investigator on many clinical trials. She is a member of the American Society of Hematology.

  • Medical Education: Sidney Kimmel Medical College, Philadelphia, PA
  • Residency: MedStar Georgetown University Medical Center, Washington, DC
  • Fellowship: MedStar Georgetown University Medical Center, Washington, DC
  • Board Certifications: Hematology, oncology, internal medicine
  • Specializations: Hematology, medical oncology
  • Research Interests: Leukemia, myelodysplastic syndrome, myeloproliferative neoplasms, aplastic anemia
  • Memberships: American Society of Hematology
  • Languages Spoken: English

Mira Hellmann, MD

Dr. Mira Hellmann specializes in Gynecologic Oncology. She treats all subtypes of gynecologic cancers including uterus, cervix, fallopian tube, ovaries, primary peritoneal, vaginal and vulvar cancer. The scope of her surgical expertise includes both traditional open surgery, as well as minimally invasive surgery. She has extensive expertise in complex laparoscopic surgery as well as robotic surgery.

Her research focus is in clinical research, including cooperative group studies, both industry-sponsored and investigator-initiated. She enjoys having the opportunity to offer patients the possibility of participating in the most cutting edge research, if they are inclined to do so.

Dr. Hellmann received her MD at SUNY Downstate in Brooklyn, and is a lifelong member of AOA. She completed her residency on Long Island Jewish Medical Center, and returned to SUNY Downstate for her fellowship training. She maintained a faculty position in central New Jersey for eight years where she developed a robust practice in a short period of time. She was active in resident and student education. She also helped spearhead a minimally invasive center that was a comprehensive resource for minimally invasive surgeons across multiple cancer specialties. She is looking forward to establishing her practice at the John Theurer Cancer Center, and to providing the highest quality of care to her patients.

Dr. Hellmann is board certified in both Obstetrics and Gynecology as well as Gynecologic Oncology.

  • Medical Education: SUNY Health Science Center at Brooklyn
  • Internship/Residency: Long Island Jewish Medical Center
  • Fellowship: SUNY Health Science Center at Brooklyn
  • Specialization: Gynecologic Oncology
  • Board Certification: Obstetrics and Gynecology, Gynecologic Oncology
  • Research Interests: Surgical innovation, clinical trials in gynecologic oncology
  • Membership: American Board of Obstetrics and Gynecology, Society of Gynecologic Oncology, Alpha Omega Alpha
  • Languages: English, Hebrew

Alan Skarbnik, MD

Alan Pierre Zausner Skarbnik, M.D. serves as a staff physician in both the Department of Bone Marrow Transplantation and the Department of Lymphoma at John Theurer Cancer Center.

Prior to joining John Theurer Cancer Center at Hackensack University Medical Center, Dr. Skarbnik was a clinical instructor in the Department of Hematology and Hematopoietic Cell Transplantation at the City of Hope National Medical Center in Duarte, California. Dr. Skarbnik also previously served as Chief Fellow of Medical Oncology and Hematology at Fox Chase Cancer Center and Temple University Hospital, and practiced at Columbia University College of Physicians and Surgeons/St. Luke’s-Roosevelt Medical Center in their internal medicine internship and residency after moving his medical career to the United States from his native Brazil.

Dr. Skarbnik has a rich research background, having served as a primary investigator at Fox Chase Cancer Center to identify biomarkers of sensitivity to mTOR inhibitors in renal cell cancer tumor samples, co-primary investigator in a Phase II study of Rituximab Intense Dosing with CHOP-21 in a 2011 ASCO/AACR workshop, and investigated the role of JAK mutations in the development of acute lymphoblastic leukemia at Memorial Sloan Kettering’s Human Oncopathogenesis Program. Dr. Skarbnik has also been extensively published and has participated in a number of presentations and poster sessions at major medical meetings.

Dr. Skarbnik specializes in hematology/oncology, and has extensive experience in a range of medical volunteer work conducted across the globe.

  • Medical Education: Universidade de Sao Paulo, Brazil
  • Residency: Columbia University College of Physicians and Surgeons/St. Luke’s-Roosevelt Medical Center, Internal Medicine Internship and Residency, 2007-2010. Hospital das Clinicas, University of Sao Paulo, Brazil, Internal Medicine Residency, 2005-2007.
  • Fellowships: City of Hope National Medical Center, Adult Hematopoietic Stem Cell Transplantation, 2013-2014. Fox Chase Cancer Center Chief Fellow 2012-2013. Fox Chase Cancer Center and Temple University Hospital, Medical Oncology and Hematology, 2010-2013.
  • Internship: Hospital das Clinicas, University of Sao Paulo, Brazil, 2002-2003.
  • Board Certifications: 2013 board-certified, American Board of Internal Medicine, Medical Oncology. 2013 board-certified, American Board of Internal Medicine, Hematology. 2010 board-certified, American Board of Internal Medicine, Internal Medicine. ACLS certification updated in 2013.
  • Honors/Awards: ASCO 2013 Merit Award. LeDor VaDor Award, presented by the President of Brazil of voluntary work. ASCO/AACR Vail Cancer Workshop selection – 2011.
  • Languages: English, Portuguese, Spanish
  • Hobbies/Interests: Multi-instrumentalist, has played in a Brazilian band

James K. McCloskey II, MD

James K. McCloskey II, M.D., works in the Division of Leukemia and the Adult Blood and Marrow Stem Cell Transplantation Program at John Theurer Cancer Center. Prior to his current position, Dr. McCloskey was a fellow in the Department of Hematology and Oncology at Georgetown University Hospital.

Dr. McCloskey has extensive research experience, serving as primary investigator in a Phase I/II non-randomized study of birinapant in combination with decitabine in patients with relapsed or refractory myelodysplastic syndrome and acute myelogenous leukemia, and was a primary investigator of cellular and molecular characterization of the immune response and minimal residual disease in patients who have completed treatment for acute myeloid leukemia. Dr. McCloskey has additionally presented a range of clinical work at major medical conferences, including MedStar Washington Hospital center multi-institutional lymphoma teleconference, Georgetown University Research Day and the Society of Comparative and Integrative Biology. Dr. McCloskey’s research has been published in the Journal of Coagulation Disorders, Advances in Clinical Oncology and Breast Cancer Research and Treatment.

Dr. McCloskey has deep roots in the philanthropic community; worked with the Lymphoma Research Foundation since 2011; and has volunteered with Food and Friends, a nonprofit that prepares and delivers meals and groceries to D.C. residents living with HIV/AIDS, cancer and other conditions since 2004.

  • Medical Education: Georgetown University School of Medicine
  • Residency: Georgetown University Hospital, Internal Medicine Resident, July 2009-2011
  • Fellowships: Chief Fellow, Department of Hematology and Oncology, Georgetown University Hospital, 2013-2014. Fellow, Department of Hematology and Oncology, Georgetown University Hospital, 2009-2013.
  • Internship: Georgetown University Hospital, Internal Medicine Intern, 2009-2011.
  • Board Certifications: 2014 board-eligible, Hematology and Oncology. 2011 board-certified, American Board of Internal Medicine.
  • Honors/Awards: Hematology Fellows Consortium Workshop, 2013. AACR/ASCO Methods of Cancer Research Workshop, 2013. Dr. Allen J. Goody Memorial Award for excellence in teaching, peer mentorship and personal integrity, Georgetown University Hospital, 2011.
  • Memberships: American Society of Clinical Oncology, American Association of Cancer Research, Housestaff Quality Council, Chemotherapy Utilization Committee, American Society of Hematology.

Samuel Singer, MD

Samuel Singer, M.D. is a neuro-oncologist at the Neurological Oncology Division – The Brain and Spine Institute at John Theurer Cancer Center. In addition to treating patients with primary brain tumors and brain metastases, he is also actively involved in research into novel therapies for these illnesses. Cancers and their treatments are frequently associated with an array of neurologic problems, including stroke, epilepsy, neuropathy and neurologic autoimmune disease, and Dr. Singer specializes in diagnosing and treating these conditions.

Prior to joining the John Theurer Cancer Center, Dr. Singer completed a fellowship in neuro-oncology at Memorial Sloan-Kettering Cancer Center and his residency in neurology at New York-Presbyterian Hospital/Weill Cornell Medical Center.

Dr. Singer is a member of the American Academy of Neurology, the American Society of Clinical Oncology and the Society for Neuro-Oncology. He is widely published in peer-reviewed journals, including Neurosurgery, Neurology, Stroke and The Oncologist.

  • Medical Education: Albert Einstein College of Medicine, Bronx, NY
  • Residency: New York-Presbyterian Hospital/Weill Cornell Medical Center, New York, NY
  • Fellowships: Memorial Sloan-Kettering Cancer Center, New York, NY
  • Board Certifications: Diplomate, American Board of Psychiatry and Neurology
  • Specializations: Neurology
  • Memberships:
    • Alpha Omega Alpha Medical Honor Society 2007
    • American Academy of Neurology, since 2009
    • American Society Clinical Oncology, since 2012
    • Society for Neuro-Oncology, since 2012
  • Languages Spoken: English, Hebrew

Noa Biran, MD

Noa Biran, MD, joined the Myeloma Division at John Theurer Cancer Center in September 2014.

Dr. Biran previously served as Chief Fellow of Hematology and Medical Oncology at Icahn School of Medicine at Mount Sinai, New York, where she also practiced in their internal medicine internship and residency. She received her medical degree from The George Washington University in Washington, D.C. As a fellow at Icahn School of Medicine, Dr. Biran participated in numerous lecture series and training sessions for medical students, residents, and nurse practitioners.

Dr. Biran is actively involved with clinical research focusing on multiple myeloma. She has presented a range of clinical work at international and national conferences such as the American Society of Hematology and the Society of Hematologic Oncology. She is widely published in hematology and oncology journals such as American Journal of Hematology, Current Hematologic Malignancy Reports, and The Hemophilia Report, with a research focus on high-risk multiple myeloma and the role of minimal residual disease in multiple myeloma. She has also co-authored a chapter in Essentials of Hospital Medicine: A Practical Guide for Clinicians, entitled “Oncologic Emergencies.” She is an active and valued member of the European Society for Medical Oncology, American Society of Clinical Oncology and American Society of Hematology.

Robert S. Alter, MD

Dr. Robert Alter specializes in medical oncology and hematology, and is board certified in internal medicine, medical oncology and hematology. For more than 15 years, Dr. Alter has been treating patients in the New Jersey community. Dr. Alter is actively involved in genitourinary and head and neck cancer research.

Dr. Alter received his medical degree from the University of Health Sciences/The Chicago Medical School. He completed his residency at St. Luke’s/Roosevelt Hospital Center, New York, New York in internal medicine and received his fellowship training at New York University Medical Center in hematology/oncology.

Dr. Alter holds an appointment at Hackensack University Medical Center. He is also the Chairman of the Transfusion Committee at St. Clare’s Hospital, and a member of the American Cancer Society.

Tracy Proverbs-Singh, MD MPH

Dr. Tracy Proverbs-Singh specializes in medical oncology and is board certified. She received her medical degree from University of Pittsburgh and completed her internal medicine residency at Mount Sinai Hospital.

Medical Education: University of Pittsburgh
Residency Internship: Mount Sinai Hospital
Certification: Internal Medicine
Languages: English

Lori Ann Leslie, MD

Dr. Lori Ann Leslie specializes in hematology and medical oncology. Her specific clinical and research interests include non-Hodgkin lymphoma, Hodgkin lymphoma, and chronic lymphocytic leukemia.

Dr. Leslie received her MD from Columbia University College of Physicians and Surgeons, and stayed at Columbia University for internal medicine residency. She completed fellowship training at The University of Texas M.D. Anderson Cancer Center, where she served as Chief Fellow. Born and raised in Morristown, NJ, Dr. Leslie is ecstatic about the opportunity to return to her home state and join the John Theurer Cancer Center.

  • Medical Education: Columbia University, College of Physicians and Surgeons.
  • Internal Medicine Internship and Residency: New York Presbyterian Hospital, Columbia University.
  • Hematology/Oncology Fellowship: The University of Texas, MD Anderson Cancer Center.
  • Board Certifications/Eligibility: Hematology and Medical Oncology board eligible in 2015, Internal Medicine board certified in 2012
  • Memberships: American Society of Clinical Oncology, American Society of Hematology
  • Specializations: Lymphoma and CLL
  • Research Interests: Lymphoma and CLL
  • Languages Spoken: English

Jamie Koprivnikar, MD

Dr. Jamie Koprvinikar specializes in hematology and medical oncology and is board certified in both. She also holds a board certification in internal medicine.

Dr. Koprivnikar received her medical degree from the Sidney Kimmel Medical College, formerly Jefferson Medical College of Thomas Jefferson University, in Philadelphia, PA. She completed her internal medicine residency at MedStar Georgetown University Medical Center in Washington, DC. She then completed a fellowship in hematology and oncology, also at MedStar Georgetown University Medical Center. She was chosen to serve as chief fellow during her third and final year of fellowship.

Dr. Koprivnikar spent the early part of her career on faculty at MedStar Georgetown University Medical Center where she was active in teaching medical students, residents, and fellows. She also served as the medical co-director of the Patient Blood Management Program and was active on the institutional review board and as an investigator on many clinical trials. She is a member of the American Society of Hematology.

  • Medical Education: Sidney Kimmel Medical College, Philadelphia, PA
  • Residency: MedStar Georgetown University Medical Center, Washington, DC
  • Fellowship: MedStar Georgetown University Medical Center, Washington, DC
  • Board Certifications: Hematology, oncology, internal medicine
  • Specializations: Hematology, medical oncology
  • Research Interests: Leukemia, myelodysplastic syndrome, myeloproliferative neoplasms, aplastic anemia
  • Memberships: American Society of Hematology
  • Languages Spoken: English

Mira Hellmann, MD

Dr. Mira Hellmann specializes in Gynecologic Oncology. She treats all subtypes of gynecologic cancers including uterus, cervix, fallopian tube, ovaries, primary peritoneal, vaginal and vulvar cancer. The scope of her surgical expertise includes both traditional open surgery, as well as minimally invasive surgery. She has extensive expertise in complex laparoscopic surgery as well as robotic surgery.

Her research focus is in clinical research, including cooperative group studies, both industry-sponsored and investigator-initiated. She enjoys having the opportunity to offer patients the possibility of participating in the most cutting edge research, if they are inclined to do so.

Dr. Hellmann received her MD at SUNY Downstate in Brooklyn, and is a lifelong member of AOA. She completed her residency on Long Island Jewish Medical Center, and returned to SUNY Downstate for her fellowship training. She maintained a faculty position in central New Jersey for eight years where she developed a robust practice in a short period of time. She was active in resident and student education. She also helped spearhead a minimally invasive center that was a comprehensive resource for minimally invasive surgeons across multiple cancer specialties. She is looking forward to establishing her practice at the John Theurer Cancer Center, and to providing the highest quality of care to her patients.

Dr. Hellmann is board certified in both Obstetrics and Gynecology as well as Gynecologic Oncology.

  • Medical Education: SUNY Health Science Center at Brooklyn
  • Internship/Residency: Long Island Jewish Medical Center
  • Fellowship: SUNY Health Science Center at Brooklyn
  • Specialization: Gynecologic Oncology
  • Board Certification: Obstetrics and Gynecology, Gynecologic Oncology
  • Research Interests: Surgical innovation, clinical trials in gynecologic oncology
  • Membership: American Board of Obstetrics and Gynecology, Society of Gynecologic Oncology, Alpha Omega Alpha
  • Languages: English, Hebrew

Alan Skarbnik, MD

Alan Pierre Zausner Skarbnik, M.D. serves as a staff physician in both the Department of Bone Marrow Transplantation and the Department of Lymphoma at John Theurer Cancer Center.

Prior to joining John Theurer Cancer Center at Hackensack University Medical Center, Dr. Skarbnik was a clinical instructor in the Department of Hematology and Hematopoietic Cell Transplantation at the City of Hope National Medical Center in Duarte, California. Dr. Skarbnik also previously served as Chief Fellow of Medical Oncology and Hematology at Fox Chase Cancer Center and Temple University Hospital, and practiced at Columbia University College of Physicians and Surgeons/St. Luke’s-Roosevelt Medical Center in their internal medicine internship and residency after moving his medical career to the United States from his native Brazil.

Dr. Skarbnik has a rich research background, having served as a primary investigator at Fox Chase Cancer Center to identify biomarkers of sensitivity to mTOR inhibitors in renal cell cancer tumor samples, co-primary investigator in a Phase II study of Rituximab Intense Dosing with CHOP-21 in a 2011 ASCO/AACR workshop, and investigated the role of JAK mutations in the development of acute lymphoblastic leukemia at Memorial Sloan Kettering’s Human Oncopathogenesis Program. Dr. Skarbnik has also been extensively published and has participated in a number of presentations and poster sessions at major medical meetings.

Dr. Skarbnik specializes in hematology/oncology, and has extensive experience in a range of medical volunteer work conducted across the globe.

  • Medical Education: Universidade de Sao Paulo, Brazil
  • Residency: Columbia University College of Physicians and Surgeons/St. Luke’s-Roosevelt Medical Center, Internal Medicine Internship and Residency, 2007-2010. Hospital das Clinicas, University of Sao Paulo, Brazil, Internal Medicine Residency, 2005-2007.
  • Fellowships: City of Hope National Medical Center, Adult Hematopoietic Stem Cell Transplantation, 2013-2014. Fox Chase Cancer Center Chief Fellow 2012-2013. Fox Chase Cancer Center and Temple University Hospital, Medical Oncology and Hematology, 2010-2013.
  • Internship: Hospital das Clinicas, University of Sao Paulo, Brazil, 2002-2003.
  • Board Certifications: 2013 board-certified, American Board of Internal Medicine, Medical Oncology. 2013 board-certified, American Board of Internal Medicine, Hematology. 2010 board-certified, American Board of Internal Medicine, Internal Medicine. ACLS certification updated in 2013.
  • Honors/Awards: ASCO 2013 Merit Award. LeDor VaDor Award, presented by the President of Brazil of voluntary work. ASCO/AACR Vail Cancer Workshop selection – 2011.
  • Languages: English, Portuguese, Spanish
  • Hobbies/Interests: Multi-instrumentalist, has played in a Brazilian band

James K. McCloskey II, MD

James K. McCloskey II, M.D., works in the Division of Leukemia and the Adult Blood and Marrow Stem Cell Transplantation Program at John Theurer Cancer Center. Prior to his current position, Dr. McCloskey was a fellow in the Department of Hematology and Oncology at Georgetown University Hospital.

Dr. McCloskey has extensive research experience, serving as primary investigator in a Phase I/II non-randomized study of birinapant in combination with decitabine in patients with relapsed or refractory myelodysplastic syndrome and acute myelogenous leukemia, and was a primary investigator of cellular and molecular characterization of the immune response and minimal residual disease in patients who have completed treatment for acute myeloid leukemia. Dr. McCloskey has additionally presented a range of clinical work at major medical conferences, including MedStar Washington Hospital center multi-institutional lymphoma teleconference, Georgetown University Research Day and the Society of Comparative and Integrative Biology. Dr. McCloskey’s research has been published in the Journal of Coagulation Disorders, Advances in Clinical Oncology and Breast Cancer Research and Treatment.

Dr. McCloskey has deep roots in the philanthropic community; worked with the Lymphoma Research Foundation since 2011; and has volunteered with Food and Friends, a nonprofit that prepares and delivers meals and groceries to D.C. residents living with HIV/AIDS, cancer and other conditions since 2004.

  • Medical Education: Georgetown University School of Medicine
  • Residency: Georgetown University Hospital, Internal Medicine Resident, July 2009-2011
  • Fellowships: Chief Fellow, Department of Hematology and Oncology, Georgetown University Hospital, 2013-2014. Fellow, Department of Hematology and Oncology, Georgetown University Hospital, 2009-2013.
  • Internship: Georgetown University Hospital, Internal Medicine Intern, 2009-2011.
  • Board Certifications: 2014 board-eligible, Hematology and Oncology. 2011 board-certified, American Board of Internal Medicine.
  • Honors/Awards: Hematology Fellows Consortium Workshop, 2013. AACR/ASCO Methods of Cancer Research Workshop, 2013. Dr. Allen J. Goody Memorial Award for excellence in teaching, peer mentorship and personal integrity, Georgetown University Hospital, 2011.
  • Memberships: American Society of Clinical Oncology, American Association of Cancer Research, Housestaff Quality Council, Chemotherapy Utilization Committee, American Society of Hematology.

Samuel Singer, MD

Samuel Singer, M.D. is a neuro-oncologist at the Neurological Oncology Division – The Brain and Spine Institute at John Theurer Cancer Center. In addition to treating patients with primary brain tumors and brain metastases, he is also actively involved in research into novel therapies for these illnesses. Cancers and their treatments are frequently associated with an array of neurologic problems, including stroke, epilepsy, neuropathy and neurologic autoimmune disease, and Dr. Singer specializes in diagnosing and treating these conditions.

Prior to joining the John Theurer Cancer Center, Dr. Singer completed a fellowship in neuro-oncology at Memorial Sloan-Kettering Cancer Center and his residency in neurology at New York-Presbyterian Hospital/Weill Cornell Medical Center.

Dr. Singer is a member of the American Academy of Neurology, the American Society of Clinical Oncology and the Society for Neuro-Oncology. He is widely published in peer-reviewed journals, including Neurosurgery, Neurology, Stroke and The Oncologist.

  • Medical Education: Albert Einstein College of Medicine, Bronx, NY
  • Residency: New York-Presbyterian Hospital/Weill Cornell Medical Center, New York, NY
  • Fellowships: Memorial Sloan-Kettering Cancer Center, New York, NY
  • Board Certifications: Diplomate, American Board of Psychiatry and Neurology
  • Specializations: Neurology
  • Memberships:
    • Alpha Omega Alpha Medical Honor Society 2007
    • American Academy of Neurology, since 2009
    • American Society Clinical Oncology, since 2012
    • Society for Neuro-Oncology, since 2012
  • Languages Spoken: English, Hebrew

Noa Biran, MD

Noa Biran, MD, joined the Myeloma Division at John Theurer Cancer Center in September 2014.

Dr. Biran previously served as Chief Fellow of Hematology and Medical Oncology at Icahn School of Medicine at Mount Sinai, New York, where she also practiced in their internal medicine internship and residency. She received her medical degree from The George Washington University in Washington, D.C. As a fellow at Icahn School of Medicine, Dr. Biran participated in numerous lecture series and training sessions for medical students, residents, and nurse practitioners.

Dr. Biran is actively involved with clinical research focusing on multiple myeloma. She has presented a range of clinical work at international and national conferences such as the American Society of Hematology and the Society of Hematologic Oncology. She is widely published in hematology and oncology journals such as American Journal of Hematology, Current Hematologic Malignancy Reports, and The Hemophilia Report, with a research focus on high-risk multiple myeloma and the role of minimal residual disease in multiple myeloma. She has also co-authored a chapter in Essentials of Hospital Medicine: A Practical Guide for Clinicians, entitled “Oncologic Emergencies.” She is an active and valued member of the European Society for Medical Oncology, American Society of Clinical Oncology and American Society of Hematology.

Robert S. Alter, MD

Dr. Robert Alter specializes in medical oncology and hematology, and is board certified in internal medicine, medical oncology and hematology. For more than 15 years, Dr. Alter has been treating patients in the New Jersey community. Dr. Alter is actively involved in genitourinary and head and neck cancer research.

Dr. Alter received his medical degree from the University of Health Sciences/The Chicago Medical School. He completed his residency at St. Luke’s/Roosevelt Hospital Center, New York, New York in internal medicine and received his fellowship training at New York University Medical Center in hematology/oncology.

Dr. Alter holds an appointment at Hackensack University Medical Center. He is also the Chairman of the Transfusion Committee at St. Clare’s Hospital, and a member of the American Cancer Society.

Tracy Proverbs-Singh, MD MPH

Dr. Tracy Proverbs-Singh specializes in medical oncology and is board certified. She received her medical degree from University of Pittsburgh and completed her internal medicine residency at Mount Sinai Hospital.

Medical Education: University of Pittsburgh
Residency Internship: Mount Sinai Hospital
Certification: Internal Medicine
Languages: English

Lori Ann Leslie, MD

Dr. Lori Ann Leslie specializes in hematology and medical oncology. Her specific clinical and research interests include non-Hodgkin lymphoma, Hodgkin lymphoma, and chronic lymphocytic leukemia.

Dr. Leslie received her MD from Columbia University College of Physicians and Surgeons, and stayed at Columbia University for internal medicine residency. She completed fellowship training at The University of Texas M.D. Anderson Cancer Center, where she served as Chief Fellow. Born and raised in Morristown, NJ, Dr. Leslie is ecstatic about the opportunity to return to her home state and join the John Theurer Cancer Center.

  • Medical Education: Columbia University, College of Physicians and Surgeons.
  • Internal Medicine Internship and Residency: New York Presbyterian Hospital, Columbia University.
  • Hematology/Oncology Fellowship: The University of Texas, MD Anderson Cancer Center.
  • Board Certifications/Eligibility: Hematology and Medical Oncology board eligible in 2015, Internal Medicine board certified in 2012
  • Memberships: American Society of Clinical Oncology, American Society of Hematology
  • Specializations: Lymphoma and CLL
  • Research Interests: Lymphoma and CLL
  • Languages Spoken: English

Jamie Koprivnikar, MD

Dr. Jamie Koprvinikar specializes in hematology and medical oncology and is board certified in both. She also holds a board certification in internal medicine.

Dr. Koprivnikar received her medical degree from the Sidney Kimmel Medical College, formerly Jefferson Medical College of Thomas Jefferson University, in Philadelphia, PA. She completed her internal medicine residency at MedStar Georgetown University Medical Center in Washington, DC. She then completed a fellowship in hematology and oncology, also at MedStar Georgetown University Medical Center. She was chosen to serve as chief fellow during her third and final year of fellowship.

Dr. Koprivnikar spent the early part of her career on faculty at MedStar Georgetown University Medical Center where she was active in teaching medical students, residents, and fellows. She also served as the medical co-director of the Patient Blood Management Program and was active on the institutional review board and as an investigator on many clinical trials. She is a member of the American Society of Hematology.

  • Medical Education: Sidney Kimmel Medical College, Philadelphia, PA
  • Residency: MedStar Georgetown University Medical Center, Washington, DC
  • Fellowship: MedStar Georgetown University Medical Center, Washington, DC
  • Board Certifications: Hematology, oncology, internal medicine
  • Specializations: Hematology, medical oncology
  • Research Interests: Leukemia, myelodysplastic syndrome, myeloproliferative neoplasms, aplastic anemia
  • Memberships: American Society of Hematology
  • Languages Spoken: English

Mira Hellmann, MD

Dr. Mira Hellmann specializes in Gynecologic Oncology. She treats all subtypes of gynecologic cancers including uterus, cervix, fallopian tube, ovaries, primary peritoneal, vaginal and vulvar cancer. The scope of her surgical expertise includes both traditional open surgery, as well as minimally invasive surgery. She has extensive expertise in complex laparoscopic surgery as well as robotic surgery.

Her research focus is in clinical research, including cooperative group studies, both industry-sponsored and investigator-initiated. She enjoys having the opportunity to offer patients the possibility of participating in the most cutting edge research, if they are inclined to do so.

Dr. Hellmann received her MD at SUNY Downstate in Brooklyn, and is a lifelong member of AOA. She completed her residency on Long Island Jewish Medical Center, and returned to SUNY Downstate for her fellowship training. She maintained a faculty position in central New Jersey for eight years where she developed a robust practice in a short period of time. She was active in resident and student education. She also helped spearhead a minimally invasive center that was a comprehensive resource for minimally invasive surgeons across multiple cancer specialties. She is looking forward to establishing her practice at the John Theurer Cancer Center, and to providing the highest quality of care to her patients.

Dr. Hellmann is board certified in both Obstetrics and Gynecology as well as Gynecologic Oncology.

  • Medical Education: SUNY Health Science Center at Brooklyn
  • Internship/Residency: Long Island Jewish Medical Center
  • Fellowship: SUNY Health Science Center at Brooklyn
  • Specialization: Gynecologic Oncology
  • Board Certification: Obstetrics and Gynecology, Gynecologic Oncology
  • Research Interests: Surgical innovation, clinical trials in gynecologic oncology
  • Membership: American Board of Obstetrics and Gynecology, Society of Gynecologic Oncology, Alpha Omega Alpha
  • Languages: English, Hebrew

Alan Skarbnik, MD

Alan Pierre Zausner Skarbnik, M.D. serves as a staff physician in both the Department of Bone Marrow Transplantation and the Department of Lymphoma at John Theurer Cancer Center.

Prior to joining John Theurer Cancer Center at Hackensack University Medical Center, Dr. Skarbnik was a clinical instructor in the Department of Hematology and Hematopoietic Cell Transplantation at the City of Hope National Medical Center in Duarte, California. Dr. Skarbnik also previously served as Chief Fellow of Medical Oncology and Hematology at Fox Chase Cancer Center and Temple University Hospital, and practiced at Columbia University College of Physicians and Surgeons/St. Luke’s-Roosevelt Medical Center in their internal medicine internship and residency after moving his medical career to the United States from his native Brazil.

Dr. Skarbnik has a rich research background, having served as a primary investigator at Fox Chase Cancer Center to identify biomarkers of sensitivity to mTOR inhibitors in renal cell cancer tumor samples, co-primary investigator in a Phase II study of Rituximab Intense Dosing with CHOP-21 in a 2011 ASCO/AACR workshop, and investigated the role of JAK mutations in the development of acute lymphoblastic leukemia at Memorial Sloan Kettering’s Human Oncopathogenesis Program. Dr. Skarbnik has also been extensively published and has participated in a number of presentations and poster sessions at major medical meetings.

Dr. Skarbnik specializes in hematology/oncology, and has extensive experience in a range of medical volunteer work conducted across the globe.

  • Medical Education: Universidade de Sao Paulo, Brazil
  • Residency: Columbia University College of Physicians and Surgeons/St. Luke’s-Roosevelt Medical Center, Internal Medicine Internship and Residency, 2007-2010. Hospital das Clinicas, University of Sao Paulo, Brazil, Internal Medicine Residency, 2005-2007.
  • Fellowships: City of Hope National Medical Center, Adult Hematopoietic Stem Cell Transplantation, 2013-2014. Fox Chase Cancer Center Chief Fellow 2012-2013. Fox Chase Cancer Center and Temple University Hospital, Medical Oncology and Hematology, 2010-2013.
  • Internship: Hospital das Clinicas, University of Sao Paulo, Brazil, 2002-2003.
  • Board Certifications: 2013 board-certified, American Board of Internal Medicine, Medical Oncology. 2013 board-certified, American Board of Internal Medicine, Hematology. 2010 board-certified, American Board of Internal Medicine, Internal Medicine. ACLS certification updated in 2013.
  • Honors/Awards: ASCO 2013 Merit Award. LeDor VaDor Award, presented by the President of Brazil of voluntary work. ASCO/AACR Vail Cancer Workshop selection – 2011.
  • Languages: English, Portuguese, Spanish
  • Hobbies/Interests: Multi-instrumentalist, has played in a Brazilian band

James K. McCloskey II, MD

James K. McCloskey II, M.D., works in the Division of Leukemia and the Adult Blood and Marrow Stem Cell Transplantation Program at John Theurer Cancer Center. Prior to his current position, Dr. McCloskey was a fellow in the Department of Hematology and Oncology at Georgetown University Hospital.

Dr. McCloskey has extensive research experience, serving as primary investigator in a Phase I/II non-randomized study of birinapant in combination with decitabine in patients with relapsed or refractory myelodysplastic syndrome and acute myelogenous leukemia, and was a primary investigator of cellular and molecular characterization of the immune response and minimal residual disease in patients who have completed treatment for acute myeloid leukemia. Dr. McCloskey has additionally presented a range of clinical work at major medical conferences, including MedStar Washington Hospital center multi-institutional lymphoma teleconference, Georgetown University Research Day and the Society of Comparative and Integrative Biology. Dr. McCloskey’s research has been published in the Journal of Coagulation Disorders, Advances in Clinical Oncology and Breast Cancer Research and Treatment.

Dr. McCloskey has deep roots in the philanthropic community; worked with the Lymphoma Research Foundation since 2011; and has volunteered with Food and Friends, a nonprofit that prepares and delivers meals and groceries to D.C. residents living with HIV/AIDS, cancer and other conditions since 2004.

  • Medical Education: Georgetown University School of Medicine
  • Residency: Georgetown University Hospital, Internal Medicine Resident, July 2009-2011
  • Fellowships: Chief Fellow, Department of Hematology and Oncology, Georgetown University Hospital, 2013-2014. Fellow, Department of Hematology and Oncology, Georgetown University Hospital, 2009-2013.
  • Internship: Georgetown University Hospital, Internal Medicine Intern, 2009-2011.
  • Board Certifications: 2014 board-eligible, Hematology and Oncology. 2011 board-certified, American Board of Internal Medicine.
  • Honors/Awards: Hematology Fellows Consortium Workshop, 2013. AACR/ASCO Methods of Cancer Research Workshop, 2013. Dr. Allen J. Goody Memorial Award for excellence in teaching, peer mentorship and personal integrity, Georgetown University Hospital, 2011.
  • Memberships: American Society of Clinical Oncology, American Association of Cancer Research, Housestaff Quality Council, Chemotherapy Utilization Committee, American Society of Hematology.

Samuel Singer, MD

Samuel Singer, M.D. is a neuro-oncologist at the Neurological Oncology Division – The Brain and Spine Institute at John Theurer Cancer Center. In addition to treating patients with primary brain tumors and brain metastases, he is also actively involved in research into novel therapies for these illnesses. Cancers and their treatments are frequently associated with an array of neurologic problems, including stroke, epilepsy, neuropathy and neurologic autoimmune disease, and Dr. Singer specializes in diagnosing and treating these conditions.

Prior to joining the John Theurer Cancer Center, Dr. Singer completed a fellowship in neuro-oncology at Memorial Sloan-Kettering Cancer Center and his residency in neurology at New York-Presbyterian Hospital/Weill Cornell Medical Center.

Dr. Singer is a member of the American Academy of Neurology, the American Society of Clinical Oncology and the Society for Neuro-Oncology. He is widely published in peer-reviewed journals, including Neurosurgery, Neurology, Stroke and The Oncologist.

  • Medical Education: Albert Einstein College of Medicine, Bronx, NY
  • Residency: New York-Presbyterian Hospital/Weill Cornell Medical Center, New York, NY
  • Fellowships: Memorial Sloan-Kettering Cancer Center, New York, NY
  • Board Certifications: Diplomate, American Board of Psychiatry and Neurology
  • Specializations: Neurology
  • Memberships:
    • Alpha Omega Alpha Medical Honor Society 2007
    • American Academy of Neurology, since 2009
    • American Society Clinical Oncology, since 2012
    • Society for Neuro-Oncology, since 2012
  • Languages Spoken: English, Hebrew

Noa Biran, MD

Noa Biran, MD, joined the Myeloma Division at John Theurer Cancer Center in September 2014.

Dr. Biran previously served as Chief Fellow of Hematology and Medical Oncology at Icahn School of Medicine at Mount Sinai, New York, where she also practiced in their internal medicine internship and residency. She received her medical degree from The George Washington University in Washington, D.C. As a fellow at Icahn School of Medicine, Dr. Biran participated in numerous lecture series and training sessions for medical students, residents, and nurse practitioners.

Dr. Biran is actively involved with clinical research focusing on multiple myeloma. She has presented a range of clinical work at international and national conferences such as the American Society of Hematology and the Society of Hematologic Oncology. She is widely published in hematology and oncology journals such as American Journal of Hematology, Current Hematologic Malignancy Reports, and The Hemophilia Report, with a research focus on high-risk multiple myeloma and the role of minimal residual disease in multiple myeloma. She has also co-authored a chapter in Essentials of Hospital Medicine: A Practical Guide for Clinicians, entitled “Oncologic Emergencies.” She is an active and valued member of the European Society for Medical Oncology, American Society of Clinical Oncology and American Society of Hematology.

Robert S. Alter, MD

Dr. Robert Alter specializes in medical oncology and hematology, and is board certified in internal medicine, medical oncology and hematology. For more than 15 years, Dr. Alter has been treating patients in the New Jersey community. Dr. Alter is actively involved in genitourinary and head and neck cancer research.

Dr. Alter received his medical degree from the University of Health Sciences/The Chicago Medical School. He completed his residency at St. Luke’s/Roosevelt Hospital Center, New York, New York in internal medicine and received his fellowship training at New York University Medical Center in hematology/oncology.

Dr. Alter holds an appointment at Hackensack University Medical Center. He is also the Chairman of the Transfusion Committee at St. Clare’s Hospital, and a member of the American Cancer Society.

Tracy Proverbs-Singh, MD MPH

Dr. Tracy Proverbs-Singh specializes in medical oncology and is board certified. She received her medical degree from University of Pittsburgh and completed her internal medicine residency at Mount Sinai Hospital.

Medical Education: University of Pittsburgh
Residency Internship: Mount Sinai Hospital
Certification: Internal Medicine
Languages: English

Lori Ann Leslie, MD

Dr. Lori Ann Leslie specializes in hematology and medical oncology. Her specific clinical and research interests include non-Hodgkin lymphoma, Hodgkin lymphoma, and chronic lymphocytic leukemia.

Dr. Leslie received her MD from Columbia University College of Physicians and Surgeons, and stayed at Columbia University for internal medicine residency. She completed fellowship training at The University of Texas M.D. Anderson Cancer Center, where she served as Chief Fellow. Born and raised in Morristown, NJ, Dr. Leslie is ecstatic about the opportunity to return to her home state and join the John Theurer Cancer Center.

  • Medical Education: Columbia University, College of Physicians and Surgeons.
  • Internal Medicine Internship and Residency: New York Presbyterian Hospital, Columbia University.
  • Hematology/Oncology Fellowship: The University of Texas, MD Anderson Cancer Center.
  • Board Certifications/Eligibility: Hematology and Medical Oncology board eligible in 2015, Internal Medicine board certified in 2012
  • Memberships: American Society of Clinical Oncology, American Society of Hematology
  • Specializations: Lymphoma and CLL
  • Research Interests: Lymphoma and CLL
  • Languages Spoken: English

Jamie Koprivnikar, MD

Dr. Jamie Koprvinikar specializes in hematology and medical oncology and is board certified in both. She also holds a board certification in internal medicine.

Dr. Koprivnikar received her medical degree from the Sidney Kimmel Medical College, formerly Jefferson Medical College of Thomas Jefferson University, in Philadelphia, PA. She completed her internal medicine residency at MedStar Georgetown University Medical Center in Washington, DC. She then completed a fellowship in hematology and oncology, also at MedStar Georgetown University Medical Center. She was chosen to serve as chief fellow during her third and final year of fellowship.

Dr. Koprivnikar spent the early part of her career on faculty at MedStar Georgetown University Medical Center where she was active in teaching medical students, residents, and fellows. She also served as the medical co-director of the Patient Blood Management Program and was active on the institutional review board and as an investigator on many clinical trials. She is a member of the American Society of Hematology.

  • Medical Education: Sidney Kimmel Medical College, Philadelphia, PA
  • Residency: MedStar Georgetown University Medical Center, Washington, DC
  • Fellowship: MedStar Georgetown University Medical Center, Washington, DC
  • Board Certifications: Hematology, oncology, internal medicine
  • Specializations: Hematology, medical oncology
  • Research Interests: Leukemia, myelodysplastic syndrome, myeloproliferative neoplasms, aplastic anemia
  • Memberships: American Society of Hematology
  • Languages Spoken: English

Mira Hellmann, MD

Dr. Mira Hellmann specializes in Gynecologic Oncology. She treats all subtypes of gynecologic cancers including uterus, cervix, fallopian tube, ovaries, primary peritoneal, vaginal and vulvar cancer. The scope of her surgical expertise includes both traditional open surgery, as well as minimally invasive surgery. She has extensive expertise in complex laparoscopic surgery as well as robotic surgery.

Her research focus is in clinical research, including cooperative group studies, both industry-sponsored and investigator-initiated. She enjoys having the opportunity to offer patients the possibility of participating in the most cutting edge research, if they are inclined to do so.

Dr. Hellmann received her MD at SUNY Downstate in Brooklyn, and is a lifelong member of AOA. She completed her residency on Long Island Jewish Medical Center, and returned to SUNY Downstate for her fellowship training. She maintained a faculty position in central New Jersey for eight years where she developed a robust practice in a short period of time. She was active in resident and student education. She also helped spearhead a minimally invasive center that was a comprehensive resource for minimally invasive surgeons across multiple cancer specialties. She is looking forward to establishing her practice at the John Theurer Cancer Center, and to providing the highest quality of care to her patients.

Dr. Hellmann is board certified in both Obstetrics and Gynecology as well as Gynecologic Oncology.

  • Medical Education: SUNY Health Science Center at Brooklyn
  • Internship/Residency: Long Island Jewish Medical Center
  • Fellowship: SUNY Health Science Center at Brooklyn
  • Specialization: Gynecologic Oncology
  • Board Certification: Obstetrics and Gynecology, Gynecologic Oncology
  • Research Interests: Surgical innovation, clinical trials in gynecologic oncology
  • Membership: American Board of Obstetrics and Gynecology, Society of Gynecologic Oncology, Alpha Omega Alpha
  • Languages: English, Hebrew

Alan Skarbnik, MD

Alan Pierre Zausner Skarbnik, M.D. serves as a staff physician in both the Department of Bone Marrow Transplantation and the Department of Lymphoma at John Theurer Cancer Center.

Prior to joining John Theurer Cancer Center at Hackensack University Medical Center, Dr. Skarbnik was a clinical instructor in the Department of Hematology and Hematopoietic Cell Transplantation at the City of Hope National Medical Center in Duarte, California. Dr. Skarbnik also previously served as Chief Fellow of Medical Oncology and Hematology at Fox Chase Cancer Center and Temple University Hospital, and practiced at Columbia University College of Physicians and Surgeons/St. Luke’s-Roosevelt Medical Center in their internal medicine internship and residency after moving his medical career to the United States from his native Brazil.

Dr. Skarbnik has a rich research background, having served as a primary investigator at Fox Chase Cancer Center to identify biomarkers of sensitivity to mTOR inhibitors in renal cell cancer tumor samples, co-primary investigator in a Phase II study of Rituximab Intense Dosing with CHOP-21 in a 2011 ASCO/AACR workshop, and investigated the role of JAK mutations in the development of acute lymphoblastic leukemia at Memorial Sloan Kettering’s Human Oncopathogenesis Program. Dr. Skarbnik has also been extensively published and has participated in a number of presentations and poster sessions at major medical meetings.

Dr. Skarbnik specializes in hematology/oncology, and has extensive experience in a range of medical volunteer work conducted across the globe.

  • Medical Education: Universidade de Sao Paulo, Brazil
  • Residency: Columbia University College of Physicians and Surgeons/St. Luke’s-Roosevelt Medical Center, Internal Medicine Internship and Residency, 2007-2010. Hospital das Clinicas, University of Sao Paulo, Brazil, Internal Medicine Residency, 2005-2007.
  • Fellowships: City of Hope National Medical Center, Adult Hematopoietic Stem Cell Transplantation, 2013-2014. Fox Chase Cancer Center Chief Fellow 2012-2013. Fox Chase Cancer Center and Temple University Hospital, Medical Oncology and Hematology, 2010-2013.
  • Internship: Hospital das Clinicas, University of Sao Paulo, Brazil, 2002-2003.
  • Board Certifications: 2013 board-certified, American Board of Internal Medicine, Medical Oncology. 2013 board-certified, American Board of Internal Medicine, Hematology. 2010 board-certified, American Board of Internal Medicine, Internal Medicine. ACLS certification updated in 2013.
  • Honors/Awards: ASCO 2013 Merit Award. LeDor VaDor Award, presented by the President of Brazil of voluntary work. ASCO/AACR Vail Cancer Workshop selection – 2011.
  • Languages: English, Portuguese, Spanish
  • Hobbies/Interests: Multi-instrumentalist, has played in a Brazilian band

James K. McCloskey II, MD

James K. McCloskey II, M.D., works in the Division of Leukemia and the Adult Blood and Marrow Stem Cell Transplantation Program at John Theurer Cancer Center. Prior to his current position, Dr. McCloskey was a fellow in the Department of Hematology and Oncology at Georgetown University Hospital.

Dr. McCloskey has extensive research experience, serving as primary investigator in a Phase I/II non-randomized study of birinapant in combination with decitabine in patients with relapsed or refractory myelodysplastic syndrome and acute myelogenous leukemia, and was a primary investigator of cellular and molecular characterization of the immune response and minimal residual disease in patients who have completed treatment for acute myeloid leukemia. Dr. McCloskey has additionally presented a range of clinical work at major medical conferences, including MedStar Washington Hospital center multi-institutional lymphoma teleconference, Georgetown University Research Day and the Society of Comparative and Integrative Biology. Dr. McCloskey’s research has been published in the Journal of Coagulation Disorders, Advances in Clinical Oncology and Breast Cancer Research and Treatment.

Dr. McCloskey has deep roots in the philanthropic community; worked with the Lymphoma Research Foundation since 2011; and has volunteered with Food and Friends, a nonprofit that prepares and delivers meals and groceries to D.C. residents living with HIV/AIDS, cancer and other conditions since 2004.

  • Medical Education: Georgetown University School of Medicine
  • Residency: Georgetown University Hospital, Internal Medicine Resident, July 2009-2011
  • Fellowships: Chief Fellow, Department of Hematology and Oncology, Georgetown University Hospital, 2013-2014. Fellow, Department of Hematology and Oncology, Georgetown University Hospital, 2009-2013.
  • Internship: Georgetown University Hospital, Internal Medicine Intern, 2009-2011.
  • Board Certifications: 2014 board-eligible, Hematology and Oncology. 2011 board-certified, American Board of Internal Medicine.
  • Honors/Awards: Hematology Fellows Consortium Workshop, 2013. AACR/ASCO Methods of Cancer Research Workshop, 2013. Dr. Allen J. Goody Memorial Award for excellence in teaching, peer mentorship and personal integrity, Georgetown University Hospital, 2011.
  • Memberships: American Society of Clinical Oncology, American Association of Cancer Research, Housestaff Quality Council, Chemotherapy Utilization Committee, American Society of Hematology.

Samuel Singer, MD

Samuel Singer, M.D. is a neuro-oncologist at the Neurological Oncology Division – The Brain and Spine Institute at John Theurer Cancer Center. In addition to treating patients with primary brain tumors and brain metastases, he is also actively involved in research into novel therapies for these illnesses. Cancers and their treatments are frequently associated with an array of neurologic problems, including stroke, epilepsy, neuropathy and neurologic autoimmune disease, and Dr. Singer specializes in diagnosing and treating these conditions.

Prior to joining the John Theurer Cancer Center, Dr. Singer completed a fellowship in neuro-oncology at Memorial Sloan-Kettering Cancer Center and his residency in neurology at New York-Presbyterian Hospital/Weill Cornell Medical Center.

Dr. Singer is a member of the American Academy of Neurology, the American Society of Clinical Oncology and the Society for Neuro-Oncology. He is widely published in peer-reviewed journals, including Neurosurgery, Neurology, Stroke and The Oncologist.

  • Medical Education: Albert Einstein College of Medicine, Bronx, NY
  • Residency: New York-Presbyterian Hospital/Weill Cornell Medical Center, New York, NY
  • Fellowships: Memorial Sloan-Kettering Cancer Center, New York, NY
  • Board Certifications: Diplomate, American Board of Psychiatry and Neurology
  • Specializations: Neurology
  • Memberships:
    • Alpha Omega Alpha Medical Honor Society 2007
    • American Academy of Neurology, since 2009
    • American Society Clinical Oncology, since 2012
    • Society for Neuro-Oncology, since 2012
  • Languages Spoken: English, Hebrew

Noa Biran, MD

Noa Biran, MD, joined the Myeloma Division at John Theurer Cancer Center in September 2014.

Dr. Biran previously served as Chief Fellow of Hematology and Medical Oncology at Icahn School of Medicine at Mount Sinai, New York, where she also practiced in their internal medicine internship and residency. She received her medical degree from The George Washington University in Washington, D.C. As a fellow at Icahn School of Medicine, Dr. Biran participated in numerous lecture series and training sessions for medical students, residents, and nurse practitioners.

Dr. Biran is actively involved with clinical research focusing on multiple myeloma. She has presented a range of clinical work at international and national conferences such as the American Society of Hematology and the Society of Hematologic Oncology. She is widely published in hematology and oncology journals such as American Journal of Hematology, Current Hematologic Malignancy Reports, and The Hemophilia Report, with a research focus on high-risk multiple myeloma and the role of minimal residual disease in multiple myeloma. She has also co-authored a chapter in Essentials of Hospital Medicine: A Practical Guide for Clinicians, entitled “Oncologic Emergencies.” She is an active and valued member of the European Society for Medical Oncology, American Society of Clinical Oncology and American Society of Hematology.

Robert S. Alter, MD

Dr. Robert Alter specializes in medical oncology and hematology, and is board certified in internal medicine, medical oncology and hematology. For more than 15 years, Dr. Alter has been treating patients in the New Jersey community. Dr. Alter is actively involved in genitourinary and head and neck cancer research.

Dr. Alter received his medical degree from the University of Health Sciences/The Chicago Medical School. He completed his residency at St. Luke’s/Roosevelt Hospital Center, New York, New York in internal medicine and received his fellowship training at New York University Medical Center in hematology/oncology.

Dr. Alter holds an appointment at Hackensack University Medical Center. He is also the Chairman of the Transfusion Committee at St. Clare’s Hospital, and a member of the American Cancer Society.

Tracy Proverbs-Singh, MD MPH

Dr. Tracy Proverbs-Singh specializes in medical oncology and is board certified. She received her medical degree from University of Pittsburgh and completed her internal medicine residency at Mount Sinai Hospital.

Medical Education: University of Pittsburgh
Residency Internship: Mount Sinai Hospital
Certification: Internal Medicine
Languages: English

Lori Ann Leslie, MD

Dr. Lori Ann Leslie specializes in hematology and medical oncology. Her specific clinical and research interests include non-Hodgkin lymphoma, Hodgkin lymphoma, and chronic lymphocytic leukemia.

Dr. Leslie received her MD from Columbia University College of Physicians and Surgeons, and stayed at Columbia University for internal medicine residency. She completed fellowship training at The University of Texas M.D. Anderson Cancer Center, where she served as Chief Fellow. Born and raised in Morristown, NJ, Dr. Leslie is ecstatic about the opportunity to return to her home state and join the John Theurer Cancer Center.

  • Medical Education: Columbia University, College of Physicians and Surgeons.
  • Internal Medicine Internship and Residency: New York Presbyterian Hospital, Columbia University.
  • Hematology/Oncology Fellowship: The University of Texas, MD Anderson Cancer Center.
  • Board Certifications/Eligibility: Hematology and Medical Oncology board eligible in 2015, Internal Medicine board certified in 2012
  • Memberships: American Society of Clinical Oncology, American Society of Hematology
  • Specializations: Lymphoma and CLL
  • Research Interests: Lymphoma and CLL
  • Languages Spoken: English

Jamie Koprivnikar, MD

Dr. Jamie Koprvinikar specializes in hematology and medical oncology and is board certified in both. She also holds a board certification in internal medicine.

Dr. Koprivnikar received her medical degree from the Sidney Kimmel Medical College, formerly Jefferson Medical College of Thomas Jefferson University, in Philadelphia, PA. She completed her internal medicine residency at MedStar Georgetown University Medical Center in Washington, DC. She then completed a fellowship in hematology and oncology, also at MedStar Georgetown University Medical Center. She was chosen to serve as chief fellow during her third and final year of fellowship.

Dr. Koprivnikar spent the early part of her career on faculty at MedStar Georgetown University Medical Center where she was active in teaching medical students, residents, and fellows. She also served as the medical co-director of the Patient Blood Management Program and was active on the institutional review board and as an investigator on many clinical trials. She is a member of the American Society of Hematology.

  • Medical Education: Sidney Kimmel Medical College, Philadelphia, PA
  • Residency: MedStar Georgetown University Medical Center, Washington, DC
  • Fellowship: MedStar Georgetown University Medical Center, Washington, DC
  • Board Certifications: Hematology, oncology, internal medicine
  • Specializations: Hematology, medical oncology
  • Research Interests: Leukemia, myelodysplastic syndrome, myeloproliferative neoplasms, aplastic anemia
  • Memberships: American Society of Hematology
  • Languages Spoken: English

Mira Hellmann, MD

Dr. Mira Hellmann specializes in Gynecologic Oncology. She treats all subtypes of gynecologic cancers including uterus, cervix, fallopian tube, ovaries, primary peritoneal, vaginal and vulvar cancer. The scope of her surgical expertise includes both traditional open surgery, as well as minimally invasive surgery. She has extensive expertise in complex laparoscopic surgery as well as robotic surgery.

Her research focus is in clinical research, including cooperative group studies, both industry-sponsored and investigator-initiated. She enjoys having the opportunity to offer patients the possibility of participating in the most cutting edge research, if they are inclined to do so.

Dr. Hellmann received her MD at SUNY Downstate in Brooklyn, and is a lifelong member of AOA. She completed her residency on Long Island Jewish Medical Center, and returned to SUNY Downstate for her fellowship training. She maintained a faculty position in central New Jersey for eight years where she developed a robust practice in a short period of time. She was active in resident and student education. She also helped spearhead a minimally invasive center that was a comprehensive resource for minimally invasive surgeons across multiple cancer specialties. She is looking forward to establishing her practice at the John Theurer Cancer Center, and to providing the highest quality of care to her patients.

Dr. Hellmann is board certified in both Obstetrics and Gynecology as well as Gynecologic Oncology.

  • Medical Education: SUNY Health Science Center at Brooklyn
  • Internship/Residency: Long Island Jewish Medical Center
  • Fellowship: SUNY Health Science Center at Brooklyn
  • Specialization: Gynecologic Oncology
  • Board Certification: Obstetrics and Gynecology, Gynecologic Oncology
  • Research Interests: Surgical innovation, clinical trials in gynecologic oncology
  • Membership: American Board of Obstetrics and Gynecology, Society of Gynecologic Oncology, Alpha Omega Alpha
  • Languages: English, Hebrew

Alan Skarbnik, MD

Alan Pierre Zausner Skarbnik, M.D. serves as a staff physician in both the Department of Bone Marrow Transplantation and the Department of Lymphoma at John Theurer Cancer Center.

Prior to joining John Theurer Cancer Center at Hackensack University Medical Center, Dr. Skarbnik was a clinical instructor in the Department of Hematology and Hematopoietic Cell Transplantation at the City of Hope National Medical Center in Duarte, California. Dr. Skarbnik also previously served as Chief Fellow of Medical Oncology and Hematology at Fox Chase Cancer Center and Temple University Hospital, and practiced at Columbia University College of Physicians and Surgeons/St. Luke’s-Roosevelt Medical Center in their internal medicine internship and residency after moving his medical career to the United States from his native Brazil.

Dr. Skarbnik has a rich research background, having served as a primary investigator at Fox Chase Cancer Center to identify biomarkers of sensitivity to mTOR inhibitors in renal cell cancer tumor samples, co-primary investigator in a Phase II study of Rituximab Intense Dosing with CHOP-21 in a 2011 ASCO/AACR workshop, and investigated the role of JAK mutations in the development of acute lymphoblastic leukemia at Memorial Sloan Kettering’s Human Oncopathogenesis Program. Dr. Skarbnik has also been extensively published and has participated in a number of presentations and poster sessions at major medical meetings.

Dr. Skarbnik specializes in hematology/oncology, and has extensive experience in a range of medical volunteer work conducted across the globe.

  • Medical Education: Universidade de Sao Paulo, Brazil
  • Residency: Columbia University College of Physicians and Surgeons/St. Luke’s-Roosevelt Medical Center, Internal Medicine Internship and Residency, 2007-2010. Hospital das Clinicas, University of Sao Paulo, Brazil, Internal Medicine Residency, 2005-2007.
  • Fellowships: City of Hope National Medical Center, Adult Hematopoietic Stem Cell Transplantation, 2013-2014. Fox Chase Cancer Center Chief Fellow 2012-2013. Fox Chase Cancer Center and Temple University Hospital, Medical Oncology and Hematology, 2010-2013.
  • Internship: Hospital das Clinicas, University of Sao Paulo, Brazil, 2002-2003.
  • Board Certifications: 2013 board-certified, American Board of Internal Medicine, Medical Oncology. 2013 board-certified, American Board of Internal Medicine, Hematology. 2010 board-certified, American Board of Internal Medicine, Internal Medicine. ACLS certification updated in 2013.
  • Honors/Awards: ASCO 2013 Merit Award. LeDor VaDor Award, presented by the President of Brazil of voluntary work. ASCO/AACR Vail Cancer Workshop selection – 2011.
  • Languages: English, Portuguese, Spanish
  • Hobbies/Interests: Multi-instrumentalist, has played in a Brazilian band

James K. McCloskey II, MD

James K. McCloskey II, M.D., works in the Division of Leukemia and the Adult Blood and Marrow Stem Cell Transplantation Program at John Theurer Cancer Center. Prior to his current position, Dr. McCloskey was a fellow in the Department of Hematology and Oncology at Georgetown University Hospital.

Dr. McCloskey has extensive research experience, serving as primary investigator in a Phase I/II non-randomized study of birinapant in combination with decitabine in patients with relapsed or refractory myelodysplastic syndrome and acute myelogenous leukemia, and was a primary investigator of cellular and molecular characterization of the immune response and minimal residual disease in patients who have completed treatment for acute myeloid leukemia. Dr. McCloskey has additionally presented a range of clinical work at major medical conferences, including MedStar Washington Hospital center multi-institutional lymphoma teleconference, Georgetown University Research Day and the Society of Comparative and Integrative Biology. Dr. McCloskey’s research has been published in the Journal of Coagulation Disorders, Advances in Clinical Oncology and Breast Cancer Research and Treatment.

Dr. McCloskey has deep roots in the philanthropic community; worked with the Lymphoma Research Foundation since 2011; and has volunteered with Food and Friends, a nonprofit that prepares and delivers meals and groceries to D.C. residents living with HIV/AIDS, cancer and other conditions since 2004.

  • Medical Education: Georgetown University School of Medicine
  • Residency: Georgetown University Hospital, Internal Medicine Resident, July 2009-2011
  • Fellowships: Chief Fellow, Department of Hematology and Oncology, Georgetown University Hospital, 2013-2014. Fellow, Department of Hematology and Oncology, Georgetown University Hospital, 2009-2013.
  • Internship: Georgetown University Hospital, Internal Medicine Intern, 2009-2011.
  • Board Certifications: 2014 board-eligible, Hematology and Oncology. 2011 board-certified, American Board of Internal Medicine.
  • Honors/Awards: Hematology Fellows Consortium Workshop, 2013. AACR/ASCO Methods of Cancer Research Workshop, 2013. Dr. Allen J. Goody Memorial Award for excellence in teaching, peer mentorship and personal integrity, Georgetown University Hospital, 2011.
  • Memberships: American Society of Clinical Oncology, American Association of Cancer Research, Housestaff Quality Council, Chemotherapy Utilization Committee, American Society of Hematology.

Samuel Singer, MD

Samuel Singer, M.D. is a neuro-oncologist at the Neurological Oncology Division – The Brain and Spine Institute at John Theurer Cancer Center. In addition to treating patients with primary brain tumors and brain metastases, he is also actively involved in research into novel therapies for these illnesses. Cancers and their treatments are frequently associated with an array of neurologic problems, including stroke, epilepsy, neuropathy and neurologic autoimmune disease, and Dr. Singer specializes in diagnosing and treating these conditions.

Prior to joining the John Theurer Cancer Center, Dr. Singer completed a fellowship in neuro-oncology at Memorial Sloan-Kettering Cancer Center and his residency in neurology at New York-Presbyterian Hospital/Weill Cornell Medical Center.

Dr. Singer is a member of the American Academy of Neurology, the American Society of Clinical Oncology and the Society for Neuro-Oncology. He is widely published in peer-reviewed journals, including Neurosurgery, Neurology, Stroke and The Oncologist.

  • Medical Education: Albert Einstein College of Medicine, Bronx, NY
  • Residency: New York-Presbyterian Hospital/Weill Cornell Medical Center, New York, NY
  • Fellowships: Memorial Sloan-Kettering Cancer Center, New York, NY
  • Board Certifications: Diplomate, American Board of Psychiatry and Neurology
  • Specializations: Neurology
  • Memberships:
    • Alpha Omega Alpha Medical Honor Society 2007
    • American Academy of Neurology, since 2009
    • American Society Clinical Oncology, since 2012
    • Society for Neuro-Oncology, since 2012
  • Languages Spoken: English, Hebrew

Noa Biran, MD

Noa Biran, MD, joined the Myeloma Division at John Theurer Cancer Center in September 2014.

Dr. Biran previously served as Chief Fellow of Hematology and Medical Oncology at Icahn School of Medicine at Mount Sinai, New York, where she also practiced in their internal medicine internship and residency. She received her medical degree from The George Washington University in Washington, D.C. As a fellow at Icahn School of Medicine, Dr. Biran participated in numerous lecture series and training sessions for medical students, residents, and nurse practitioners.

Dr. Biran is actively involved with clinical research focusing on multiple myeloma. She has presented a range of clinical work at international and national conferences such as the American Society of Hematology and the Society of Hematologic Oncology. She is widely published in hematology and oncology journals such as American Journal of Hematology, Current Hematologic Malignancy Reports, and The Hemophilia Report, with a research focus on high-risk multiple myeloma and the role of minimal residual disease in multiple myeloma. She has also co-authored a chapter in Essentials of Hospital Medicine: A Practical Guide for Clinicians, entitled “Oncologic Emergencies.” She is an active and valued member of the European Society for Medical Oncology, American Society of Clinical Oncology and American Society of Hematology.

Robert S. Alter, MD

Dr. Robert Alter specializes in medical oncology and hematology, and is board certified in internal medicine, medical oncology and hematology. For more than 15 years, Dr. Alter has been treating patients in the New Jersey community. Dr. Alter is actively involved in genitourinary and head and neck cancer research.

Dr. Alter received his medical degree from the University of Health Sciences/The Chicago Medical School. He completed his residency at St. Luke’s/Roosevelt Hospital Center, New York, New York in internal medicine and received his fellowship training at New York University Medical Center in hematology/oncology.

Dr. Alter holds an appointment at Hackensack University Medical Center. He is also the Chairman of the Transfusion Committee at St. Clare’s Hospital, and a member of the American Cancer Society.

Tracy Proverbs-Singh, MD MPH

Dr. Tracy Proverbs-Singh specializes in medical oncology and is board certified. She received her medical degree from University of Pittsburgh and completed her internal medicine residency at Mount Sinai Hospital.

Medical Education: University of Pittsburgh
Residency Internship: Mount Sinai Hospital
Certification: Internal Medicine
Languages: English

Lori Ann Leslie, MD

Dr. Lori Ann Leslie specializes in hematology and medical oncology. Her specific clinical and research interests include non-Hodgkin lymphoma, Hodgkin lymphoma, and chronic lymphocytic leukemia.

Dr. Leslie received her MD from Columbia University College of Physicians and Surgeons, and stayed at Columbia University for internal medicine residency. She completed fellowship training at The University of Texas M.D. Anderson Cancer Center, where she served as Chief Fellow. Born and raised in Morristown, NJ, Dr. Leslie is ecstatic about the opportunity to return to her home state and join the John Theurer Cancer Center.

  • Medical Education: Columbia University, College of Physicians and Surgeons.
  • Internal Medicine Internship and Residency: New York Presbyterian Hospital, Columbia University.
  • Hematology/Oncology Fellowship: The University of Texas, MD Anderson Cancer Center.
  • Board Certifications/Eligibility: Hematology and Medical Oncology board eligible in 2015, Internal Medicine board certified in 2012
  • Memberships: American Society of Clinical Oncology, American Society of Hematology
  • Specializations: Lymphoma and CLL
  • Research Interests: Lymphoma and CLL
  • Languages Spoken: English

Jamie Koprivnikar, MD

Dr. Jamie Koprvinikar specializes in hematology and medical oncology and is board certified in both. She also holds a board certification in internal medicine.

Dr. Koprivnikar received her medical degree from the Sidney Kimmel Medical College, formerly Jefferson Medical College of Thomas Jefferson University, in Philadelphia, PA. She completed her internal medicine residency at MedStar Georgetown University Medical Center in Washington, DC. She then completed a fellowship in hematology and oncology, also at MedStar Georgetown University Medical Center. She was chosen to serve as chief fellow during her third and final year of fellowship.

Dr. Koprivnikar spent the early part of her career on faculty at MedStar Georgetown University Medical Center where she was active in teaching medical students, residents, and fellows. She also served as the medical co-director of the Patient Blood Management Program and was active on the institutional review board and as an investigator on many clinical trials. She is a member of the American Society of Hematology.

  • Medical Education: Sidney Kimmel Medical College, Philadelphia, PA
  • Residency: MedStar Georgetown University Medical Center, Washington, DC
  • Fellowship: MedStar Georgetown University Medical Center, Washington, DC
  • Board Certifications: Hematology, oncology, internal medicine
  • Specializations: Hematology, medical oncology
  • Research Interests: Leukemia, myelodysplastic syndrome, myeloproliferative neoplasms, aplastic anemia
  • Memberships: American Society of Hematology
  • Languages Spoken: English

Mira Hellmann, MD

Dr. Mira Hellmann specializes in Gynecologic Oncology. She treats all subtypes of gynecologic cancers including uterus, cervix, fallopian tube, ovaries, primary peritoneal, vaginal and vulvar cancer. The scope of her surgical expertise includes both traditional open surgery, as well as minimally invasive surgery. She has extensive expertise in complex laparoscopic surgery as well as robotic surgery.

Her research focus is in clinical research, including cooperative group studies, both industry-sponsored and investigator-initiated. She enjoys having the opportunity to offer patients the possibility of participating in the most cutting edge research, if they are inclined to do so.

Dr. Hellmann received her MD at SUNY Downstate in Brooklyn, and is a lifelong member of AOA. She completed her residency on Long Island Jewish Medical Center, and returned to SUNY Downstate for her fellowship training. She maintained a faculty position in central New Jersey for eight years where she developed a robust practice in a short period of time. She was active in resident and student education. She also helped spearhead a minimally invasive center that was a comprehensive resource for minimally invasive surgeons across multiple cancer specialties. She is looking forward to establishing her practice at the John Theurer Cancer Center, and to providing the highest quality of care to her patients.

Dr. Hellmann is board certified in both Obstetrics and Gynecology as well as Gynecologic Oncology.

  • Medical Education: SUNY Health Science Center at Brooklyn
  • Internship/Residency: Long Island Jewish Medical Center
  • Fellowship: SUNY Health Science Center at Brooklyn
  • Specialization: Gynecologic Oncology
  • Board Certification: Obstetrics and Gynecology, Gynecologic Oncology
  • Research Interests: Surgical innovation, clinical trials in gynecologic oncology
  • Membership: American Board of Obstetrics and Gynecology, Society of Gynecologic Oncology, Alpha Omega Alpha
  • Languages: English, Hebrew

Alan Skarbnik, MD

Alan Pierre Zausner Skarbnik, M.D. serves as a staff physician in both the Department of Bone Marrow Transplantation and the Department of Lymphoma at John Theurer Cancer Center.

Prior to joining John Theurer Cancer Center at Hackensack University Medical Center, Dr. Skarbnik was a clinical instructor in the Department of Hematology and Hematopoietic Cell Transplantation at the City of Hope National Medical Center in Duarte, California. Dr. Skarbnik also previously served as Chief Fellow of Medical Oncology and Hematology at Fox Chase Cancer Center and Temple University Hospital, and practiced at Columbia University College of Physicians and Surgeons/St. Luke’s-Roosevelt Medical Center in their internal medicine internship and residency after moving his medical career to the United States from his native Brazil.

Dr. Skarbnik has a rich research background, having served as a primary investigator at Fox Chase Cancer Center to identify biomarkers of sensitivity to mTOR inhibitors in renal cell cancer tumor samples, co-primary investigator in a Phase II study of Rituximab Intense Dosing with CHOP-21 in a 2011 ASCO/AACR workshop, and investigated the role of JAK mutations in the development of acute lymphoblastic leukemia at Memorial Sloan Kettering’s Human Oncopathogenesis Program. Dr. Skarbnik has also been extensively published and has participated in a number of presentations and poster sessions at major medical meetings.

Dr. Skarbnik specializes in hematology/oncology, and has extensive experience in a range of medical volunteer work conducted across the globe.

  • Medical Education: Universidade de Sao Paulo, Brazil
  • Residency: Columbia University College of Physicians and Surgeons/St. Luke’s-Roosevelt Medical Center, Internal Medicine Internship and Residency, 2007-2010. Hospital das Clinicas, University of Sao Paulo, Brazil, Internal Medicine Residency, 2005-2007.
  • Fellowships: City of Hope National Medical Center, Adult Hematopoietic Stem Cell Transplantation, 2013-2014. Fox Chase Cancer Center Chief Fellow 2012-2013. Fox Chase Cancer Center and Temple University Hospital, Medical Oncology and Hematology, 2010-2013.
  • Internship: Hospital das Clinicas, University of Sao Paulo, Brazil, 2002-2003.
  • Board Certifications: 2013 board-certified, American Board of Internal Medicine, Medical Oncology. 2013 board-certified, American Board of Internal Medicine, Hematology. 2010 board-certified, American Board of Internal Medicine, Internal Medicine. ACLS certification updated in 2013.
  • Honors/Awards: ASCO 2013 Merit Award. LeDor VaDor Award, presented by the President of Brazil of voluntary work. ASCO/AACR Vail Cancer Workshop selection – 2011.
  • Languages: English, Portuguese, Spanish
  • Hobbies/Interests: Multi-instrumentalist, has played in a Brazilian band

James K. McCloskey II, MD

James K. McCloskey II, M.D., works in the Division of Leukemia and the Adult Blood and Marrow Stem Cell Transplantation Program at John Theurer Cancer Center. Prior to his current position, Dr. McCloskey was a fellow in the Department of Hematology and Oncology at Georgetown University Hospital.

Dr. McCloskey has extensive research experience, serving as primary investigator in a Phase I/II non-randomized study of birinapant in combination with decitabine in patients with relapsed or refractory myelodysplastic syndrome and acute myelogenous leukemia, and was a primary investigator of cellular and molecular characterization of the immune response and minimal residual disease in patients who have completed treatment for acute myeloid leukemia. Dr. McCloskey has additionally presented a range of clinical work at major medical conferences, including MedStar Washington Hospital center multi-institutional lymphoma teleconference, Georgetown University Research Day and the Society of Comparative and Integrative Biology. Dr. McCloskey’s research has been published in the Journal of Coagulation Disorders, Advances in Clinical Oncology and Breast Cancer Research and Treatment.

Dr. McCloskey has deep roots in the philanthropic community; worked with the Lymphoma Research Foundation since 2011; and has volunteered with Food and Friends, a nonprofit that prepares and delivers meals and groceries to D.C. residents living with HIV/AIDS, cancer and other conditions since 2004.

  • Medical Education: Georgetown University School of Medicine
  • Residency: Georgetown University Hospital, Internal Medicine Resident, July 2009-2011
  • Fellowships: Chief Fellow, Department of Hematology and Oncology, Georgetown University Hospital, 2013-2014. Fellow, Department of Hematology and Oncology, Georgetown University Hospital, 2009-2013.
  • Internship: Georgetown University Hospital, Internal Medicine Intern, 2009-2011.
  • Board Certifications: 2014 board-eligible, Hematology and Oncology. 2011 board-certified, American Board of Internal Medicine.
  • Honors/Awards: Hematology Fellows Consortium Workshop, 2013. AACR/ASCO Methods of Cancer Research Workshop, 2013. Dr. Allen J. Goody Memorial Award for excellence in teaching, peer mentorship and personal integrity, Georgetown University Hospital, 2011.
  • Memberships: American Society of Clinical Oncology, American Association of Cancer Research, Housestaff Quality Council, Chemotherapy Utilization Committee, American Society of Hematology.

Samuel Singer, MD

Samuel Singer, M.D. is a neuro-oncologist at the Neurological Oncology Division – The Brain and Spine Institute at John Theurer Cancer Center. In addition to treating patients with primary brain tumors and brain metastases, he is also actively involved in research into novel therapies for these illnesses. Cancers and their treatments are frequently associated with an array of neurologic problems, including stroke, epilepsy, neuropathy and neurologic autoimmune disease, and Dr. Singer specializes in diagnosing and treating these conditions.

Prior to joining the John Theurer Cancer Center, Dr. Singer completed a fellowship in neuro-oncology at Memorial Sloan-Kettering Cancer Center and his residency in neurology at New York-Presbyterian Hospital/Weill Cornell Medical Center.

Dr. Singer is a member of the American Academy of Neurology, the American Society of Clinical Oncology and the Society for Neuro-Oncology. He is widely published in peer-reviewed journals, including Neurosurgery, Neurology, Stroke and The Oncologist.

  • Medical Education: Albert Einstein College of Medicine, Bronx, NY
  • Residency: New York-Presbyterian Hospital/Weill Cornell Medical Center, New York, NY
  • Fellowships: Memorial Sloan-Kettering Cancer Center, New York, NY
  • Board Certifications: Diplomate, American Board of Psychiatry and Neurology
  • Specializations: Neurology
  • Memberships:
    • Alpha Omega Alpha Medical Honor Society 2007
    • American Academy of Neurology, since 2009
    • American Society Clinical Oncology, since 2012
    • Society for Neuro-Oncology, since 2012
  • Languages Spoken: English, Hebrew

Noa Biran, MD

Noa Biran, MD, joined the Myeloma Division at John Theurer Cancer Center in September 2014.

Dr. Biran previously served as Chief Fellow of Hematology and Medical Oncology at Icahn School of Medicine at Mount Sinai, New York, where she also practiced in their internal medicine internship and residency. She received her medical degree from The George Washington University in Washington, D.C. As a fellow at Icahn School of Medicine, Dr. Biran participated in numerous lecture series and training sessions for medical students, residents, and nurse practitioners.

Dr. Biran is actively involved with clinical research focusing on multiple myeloma. She has presented a range of clinical work at international and national conferences such as the American Society of Hematology and the Society of Hematologic Oncology. She is widely published in hematology and oncology journals such as American Journal of Hematology, Current Hematologic Malignancy Reports, and The Hemophilia Report, with a research focus on high-risk multiple myeloma and the role of minimal residual disease in multiple myeloma. She has also co-authored a chapter in Essentials of Hospital Medicine: A Practical Guide for Clinicians, entitled “Oncologic Emergencies.” She is an active and valued member of the European Society for Medical Oncology, American Society of Clinical Oncology and American Society of Hematology.

Robert S. Alter, MD

Dr. Robert Alter specializes in medical oncology and hematology, and is board certified in internal medicine, medical oncology and hematology. For more than 15 years, Dr. Alter has been treating patients in the New Jersey community. Dr. Alter is actively involved in genitourinary and head and neck cancer research.

Dr. Alter received his medical degree from the University of Health Sciences/The Chicago Medical School. He completed his residency at St. Luke’s/Roosevelt Hospital Center, New York, New York in internal medicine and received his fellowship training at New York University Medical Center in hematology/oncology.

Dr. Alter holds an appointment at Hackensack University Medical Center. He is also the Chairman of the Transfusion Committee at St. Clare’s Hospital, and a member of the American Cancer Society.

Tracy Proverbs-Singh, MD MPH

Dr. Tracy Proverbs-Singh specializes in medical oncology and is board certified. She received her medical degree from University of Pittsburgh and completed her internal medicine residency at Mount Sinai Hospital.

Medical Education: University of Pittsburgh
Residency Internship: Mount Sinai Hospital
Certification: Internal Medicine
Languages: English

Lori Ann Leslie, MD

Dr. Lori Ann Leslie specializes in hematology and medical oncology. Her specific clinical and research interests include non-Hodgkin lymphoma, Hodgkin lymphoma, and chronic lymphocytic leukemia.

Dr. Leslie received her MD from Columbia University College of Physicians and Surgeons, and stayed at Columbia University for internal medicine residency. She completed fellowship training at The University of Texas M.D. Anderson Cancer Center, where she served as Chief Fellow. Born and raised in Morristown, NJ, Dr. Leslie is ecstatic about the opportunity to return to her home state and join the John Theurer Cancer Center.

  • Medical Education: Columbia University, College of Physicians and Surgeons.
  • Internal Medicine Internship and Residency: New York Presbyterian Hospital, Columbia University.
  • Hematology/Oncology Fellowship: The University of Texas, MD Anderson Cancer Center.
  • Board Certifications/Eligibility: Hematology and Medical Oncology board eligible in 2015, Internal Medicine board certified in 2012
  • Memberships: American Society of Clinical Oncology, American Society of Hematology
  • Specializations: Lymphoma and CLL
  • Research Interests: Lymphoma and CLL
  • Languages Spoken: English

Jamie Koprivnikar, MD

Dr. Jamie Koprvinikar specializes in hematology and medical oncology and is board certified in both. She also holds a board certification in internal medicine.

Dr. Koprivnikar received her medical degree from the Sidney Kimmel Medical College, formerly Jefferson Medical College of Thomas Jefferson University, in Philadelphia, PA. She completed her internal medicine residency at MedStar Georgetown University Medical Center in Washington, DC. She then completed a fellowship in hematology and oncology, also at MedStar Georgetown University Medical Center. She was chosen to serve as chief fellow during her third and final year of fellowship.

Dr. Koprivnikar spent the early part of her career on faculty at MedStar Georgetown University Medical Center where she was active in teaching medical students, residents, and fellows. She also served as the medical co-director of the Patient Blood Management Program and was active on the institutional review board and as an investigator on many clinical trials. She is a member of the American Society of Hematology.

  • Medical Education: Sidney Kimmel Medical College, Philadelphia, PA
  • Residency: MedStar Georgetown University Medical Center, Washington, DC
  • Fellowship: MedStar Georgetown University Medical Center, Washington, DC
  • Board Certifications: Hematology, oncology, internal medicine
  • Specializations: Hematology, medical oncology
  • Research Interests: Leukemia, myelodysplastic syndrome, myeloproliferative neoplasms, aplastic anemia
  • Memberships: American Society of Hematology
  • Languages Spoken: English

Mira Hellmann, MD

Dr. Mira Hellmann specializes in Gynecologic Oncology. She treats all subtypes of gynecologic cancers including uterus, cervix, fallopian tube, ovaries, primary peritoneal, vaginal and vulvar cancer. The scope of her surgical expertise includes both traditional open surgery, as well as minimally invasive surgery. She has extensive expertise in complex laparoscopic surgery as well as robotic surgery.

Her research focus is in clinical research, including cooperative group studies, both industry-sponsored and investigator-initiated. She enjoys having the opportunity to offer patients the possibility of participating in the most cutting edge research, if they are inclined to do so.

Dr. Hellmann received her MD at SUNY Downstate in Brooklyn, and is a lifelong member of AOA. She completed her residency on Long Island Jewish Medical Center, and returned to SUNY Downstate for her fellowship training. She maintained a faculty position in central New Jersey for eight years where she developed a robust practice in a short period of time. She was active in resident and student education. She also helped spearhead a minimally invasive center that was a comprehensive resource for minimally invasive surgeons across multiple cancer specialties. She is looking forward to establishing her practice at the John Theurer Cancer Center, and to providing the highest quality of care to her patients.

Dr. Hellmann is board certified in both Obstetrics and Gynecology as well as Gynecologic Oncology.

  • Medical Education: SUNY Health Science Center at Brooklyn
  • Internship/Residency: Long Island Jewish Medical Center
  • Fellowship: SUNY Health Science Center at Brooklyn
  • Specialization: Gynecologic Oncology
  • Board Certification: Obstetrics and Gynecology, Gynecologic Oncology
  • Research Interests: Surgical innovation, clinical trials in gynecologic oncology
  • Membership: American Board of Obstetrics and Gynecology, Society of Gynecologic Oncology, Alpha Omega Alpha
  • Languages: English, Hebrew

Alan Skarbnik, MD

Alan Pierre Zausner Skarbnik, M.D. serves as a staff physician in both the Department of Bone Marrow Transplantation and the Department of Lymphoma at John Theurer Cancer Center.

Prior to joining John Theurer Cancer Center at Hackensack University Medical Center, Dr. Skarbnik was a clinical instructor in the Department of Hematology and Hematopoietic Cell Transplantation at the City of Hope National Medical Center in Duarte, California. Dr. Skarbnik also previously served as Chief Fellow of Medical Oncology and Hematology at Fox Chase Cancer Center and Temple University Hospital, and practiced at Columbia University College of Physicians and Surgeons/St. Luke’s-Roosevelt Medical Center in their internal medicine internship and residency after moving his medical career to the United States from his native Brazil.

Dr. Skarbnik has a rich research background, having served as a primary investigator at Fox Chase Cancer Center to identify biomarkers of sensitivity to mTOR inhibitors in renal cell cancer tumor samples, co-primary investigator in a Phase II study of Rituximab Intense Dosing with CHOP-21 in a 2011 ASCO/AACR workshop, and investigated the role of JAK mutations in the development of acute lymphoblastic leukemia at Memorial Sloan Kettering’s Human Oncopathogenesis Program. Dr. Skarbnik has also been extensively published and has participated in a number of presentations and poster sessions at major medical meetings.

Dr. Skarbnik specializes in hematology/oncology, and has extensive experience in a range of medical volunteer work conducted across the globe.

  • Medical Education: Universidade de Sao Paulo, Brazil
  • Residency: Columbia University College of Physicians and Surgeons/St. Luke’s-Roosevelt Medical Center, Internal Medicine Internship and Residency, 2007-2010. Hospital das Clinicas, University of Sao Paulo, Brazil, Internal Medicine Residency, 2005-2007.
  • Fellowships: City of Hope National Medical Center, Adult Hematopoietic Stem Cell Transplantation, 2013-2014. Fox Chase Cancer Center Chief Fellow 2012-2013. Fox Chase Cancer Center and Temple University Hospital, Medical Oncology and Hematology, 2010-2013.
  • Internship: Hospital das Clinicas, University of Sao Paulo, Brazil, 2002-2003.
  • Board Certifications: 2013 board-certified, American Board of Internal Medicine, Medical Oncology. 2013 board-certified, American Board of Internal Medicine, Hematology. 2010 board-certified, American Board of Internal Medicine, Internal Medicine. ACLS certification updated in 2013.
  • Honors/Awards: ASCO 2013 Merit Award. LeDor VaDor Award, presented by the President of Brazil of voluntary work. ASCO/AACR Vail Cancer Workshop selection – 2011.
  • Languages: English, Portuguese, Spanish
  • Hobbies/Interests: Multi-instrumentalist, has played in a Brazilian band

James K. McCloskey II, MD

James K. McCloskey II, M.D., works in the Division of Leukemia and the Adult Blood and Marrow Stem Cell Transplantation Program at John Theurer Cancer Center. Prior to his current position, Dr. McCloskey was a fellow in the Department of Hematology and Oncology at Georgetown University Hospital.

Dr. McCloskey has extensive research experience, serving as primary investigator in a Phase I/II non-randomized study of birinapant in combination with decitabine in patients with relapsed or refractory myelodysplastic syndrome and acute myelogenous leukemia, and was a primary investigator of cellular and molecular characterization of the immune response and minimal residual disease in patients who have completed treatment for acute myeloid leukemia. Dr. McCloskey has additionally presented a range of clinical work at major medical conferences, including MedStar Washington Hospital center multi-institutional lymphoma teleconference, Georgetown University Research Day and the Society of Comparative and Integrative Biology. Dr. McCloskey’s research has been published in the Journal of Coagulation Disorders, Advances in Clinical Oncology and Breast Cancer Research and Treatment.

Dr. McCloskey has deep roots in the philanthropic community; worked with the Lymphoma Research Foundation since 2011; and has volunteered with Food and Friends, a nonprofit that prepares and delivers meals and groceries to D.C. residents living with HIV/AIDS, cancer and other conditions since 2004.

  • Medical Education: Georgetown University School of Medicine
  • Residency: Georgetown University Hospital, Internal Medicine Resident, July 2009-2011
  • Fellowships: Chief Fellow, Department of Hematology and Oncology, Georgetown University Hospital, 2013-2014. Fellow, Department of Hematology and Oncology, Georgetown University Hospital, 2009-2013.
  • Internship: Georgetown University Hospital, Internal Medicine Intern, 2009-2011.
  • Board Certifications: 2014 board-eligible, Hematology and Oncology. 2011 board-certified, American Board of Internal Medicine.
  • Honors/Awards: Hematology Fellows Consortium Workshop, 2013. AACR/ASCO Methods of Cancer Research Workshop, 2013. Dr. Allen J. Goody Memorial Award for excellence in teaching, peer mentorship and personal integrity, Georgetown University Hospital, 2011.
  • Memberships: American Society of Clinical Oncology, American Association of Cancer Research, Housestaff Quality Council, Chemotherapy Utilization Committee, American Society of Hematology.

Samuel Singer, MD

Samuel Singer, M.D. is a neuro-oncologist at the Neurological Oncology Division – The Brain and Spine Institute at John Theurer Cancer Center. In addition to treating patients with primary brain tumors and brain metastases, he is also actively involved in research into novel therapies for these illnesses. Cancers and their treatments are frequently associated with an array of neurologic problems, including stroke, epilepsy, neuropathy and neurologic autoimmune disease, and Dr. Singer specializes in diagnosing and treating these conditions.

Prior to joining the John Theurer Cancer Center, Dr. Singer completed a fellowship in neuro-oncology at Memorial Sloan-Kettering Cancer Center and his residency in neurology at New York-Presbyterian Hospital/Weill Cornell Medical Center.

Dr. Singer is a member of the American Academy of Neurology, the American Society of Clinical Oncology and the Society for Neuro-Oncology. He is widely published in peer-reviewed journals, including Neurosurgery, Neurology, Stroke and The Oncologist.

  • Medical Education: Albert Einstein College of Medicine, Bronx, NY
  • Residency: New York-Presbyterian Hospital/Weill Cornell Medical Center, New York, NY
  • Fellowships: Memorial Sloan-Kettering Cancer Center, New York, NY
  • Board Certifications: Diplomate, American Board of Psychiatry and Neurology
  • Specializations: Neurology
  • Memberships:
    • Alpha Omega Alpha Medical Honor Society 2007
    • American Academy of Neurology, since 2009
    • American Society Clinical Oncology, since 2012
    • Society for Neuro-Oncology, since 2012
  • Languages Spoken: English, Hebrew

Noa Biran, MD

Noa Biran, MD, joined the Myeloma Division at John Theurer Cancer Center in September 2014.

Dr. Biran previously served as Chief Fellow of Hematology and Medical Oncology at Icahn School of Medicine at Mount Sinai, New York, where she also practiced in their internal medicine internship and residency. She received her medical degree from The George Washington University in Washington, D.C. As a fellow at Icahn School of Medicine, Dr. Biran participated in numerous lecture series and training sessions for medical students, residents, and nurse practitioners.

Dr. Biran is actively involved with clinical research focusing on multiple myeloma. She has presented a range of clinical work at international and national conferences such as the American Society of Hematology and the Society of Hematologic Oncology. She is widely published in hematology and oncology journals such as American Journal of Hematology, Current Hematologic Malignancy Reports, and The Hemophilia Report, with a research focus on high-risk multiple myeloma and the role of minimal residual disease in multiple myeloma. She has also co-authored a chapter in Essentials of Hospital Medicine: A Practical Guide for Clinicians, entitled “Oncologic Emergencies.” She is an active and valued member of the European Society for Medical Oncology, American Society of Clinical Oncology and American Society of Hematology.

Robert S. Alter, MD

Dr. Robert Alter specializes in medical oncology and hematology, and is board certified in internal medicine, medical oncology and hematology. For more than 15 years, Dr. Alter has been treating patients in the New Jersey community. Dr. Alter is actively involved in genitourinary and head and neck cancer research.

Dr. Alter received his medical degree from the University of Health Sciences/The Chicago Medical School. He completed his residency at St. Luke’s/Roosevelt Hospital Center, New York, New York in internal medicine and received his fellowship training at New York University Medical Center in hematology/oncology.

Dr. Alter holds an appointment at Hackensack University Medical Center. He is also the Chairman of the Transfusion Committee at St. Clare’s Hospital, and a member of the American Cancer Society.

Tracy Proverbs-Singh, MD MPH

Dr. Tracy Proverbs-Singh specializes in medical oncology and is board certified. She received her medical degree from University of Pittsburgh and completed her internal medicine residency at Mount Sinai Hospital.

Medical Education: University of Pittsburgh
Residency Internship: Mount Sinai Hospital
Certification: Internal Medicine
Languages: English

Lori Ann Leslie, MD

Dr. Lori Ann Leslie specializes in hematology and medical oncology. Her specific clinical and research interests include non-Hodgkin lymphoma, Hodgkin lymphoma, and chronic lymphocytic leukemia.

Dr. Leslie received her MD from Columbia University College of Physicians and Surgeons, and stayed at Columbia University for internal medicine residency. She completed fellowship training at The University of Texas M.D. Anderson Cancer Center, where she served as Chief Fellow. Born and raised in Morristown, NJ, Dr. Leslie is ecstatic about the opportunity to return to her home state and join the John Theurer Cancer Center.

  • Medical Education: Columbia University, College of Physicians and Surgeons.
  • Internal Medicine Internship and Residency: New York Presbyterian Hospital, Columbia University.
  • Hematology/Oncology Fellowship: The University of Texas, MD Anderson Cancer Center.
  • Board Certifications/Eligibility: Hematology and Medical Oncology board eligible in 2015, Internal Medicine board certified in 2012
  • Memberships: American Society of Clinical Oncology, American Society of Hematology
  • Specializations: Lymphoma and CLL
  • Research Interests: Lymphoma and CLL
  • Languages Spoken: English

Jamie Koprivnikar, MD

Dr. Jamie Koprvinikar specializes in hematology and medical oncology and is board certified in both. She also holds a board certification in internal medicine.

Dr. Koprivnikar received her medical degree from the Sidney Kimmel Medical College, formerly Jefferson Medical College of Thomas Jefferson University, in Philadelphia, PA. She completed her internal medicine residency at MedStar Georgetown University Medical Center in Washington, DC. She then completed a fellowship in hematology and oncology, also at MedStar Georgetown University Medical Center. She was chosen to serve as chief fellow during her third and final year of fellowship.

Dr. Koprivnikar spent the early part of her career on faculty at MedStar Georgetown University Medical Center where she was active in teaching medical students, residents, and fellows. She also served as the medical co-director of the Patient Blood Management Program and was active on the institutional review board and as an investigator on many clinical trials. She is a member of the American Society of Hematology.

  • Medical Education: Sidney Kimmel Medical College, Philadelphia, PA
  • Residency: MedStar Georgetown University Medical Center, Washington, DC
  • Fellowship: MedStar Georgetown University Medical Center, Washington, DC
  • Board Certifications: Hematology, oncology, internal medicine
  • Specializations: Hematology, medical oncology
  • Research Interests: Leukemia, myelodysplastic syndrome, myeloproliferative neoplasms, aplastic anemia
  • Memberships: American Society of Hematology
  • Languages Spoken: English

Mira Hellmann, MD

Dr. Mira Hellmann specializes in Gynecologic Oncology. She treats all subtypes of gynecologic cancers including uterus, cervix, fallopian tube, ovaries, primary peritoneal, vaginal and vulvar cancer. The scope of her surgical expertise includes both traditional open surgery, as well as minimally invasive surgery. She has extensive expertise in complex laparoscopic surgery as well as robotic surgery.

Her research focus is in clinical research, including cooperative group studies, both industry-sponsored and investigator-initiated. She enjoys having the opportunity to offer patients the possibility of participating in the most cutting edge research, if they are inclined to do so.

Dr. Hellmann received her MD at SUNY Downstate in Brooklyn, and is a lifelong member of AOA. She completed her residency on Long Island Jewish Medical Center, and returned to SUNY Downstate for her fellowship training. She maintained a faculty position in central New Jersey for eight years where she developed a robust practice in a short period of time. She was active in resident and student education. She also helped spearhead a minimally invasive center that was a comprehensive resource for minimally invasive surgeons across multiple cancer specialties. She is looking forward to establishing her practice at the John Theurer Cancer Center, and to providing the highest quality of care to her patients.

Dr. Hellmann is board certified in both Obstetrics and Gynecology as well as Gynecologic Oncology.

  • Medical Education: SUNY Health Science Center at Brooklyn
  • Internship/Residency: Long Island Jewish Medical Center
  • Fellowship: SUNY Health Science Center at Brooklyn
  • Specialization: Gynecologic Oncology
  • Board Certification: Obstetrics and Gynecology, Gynecologic Oncology
  • Research Interests: Surgical innovation, clinical trials in gynecologic oncology
  • Membership: American Board of Obstetrics and Gynecology, Society of Gynecologic Oncology, Alpha Omega Alpha
  • Languages: English, Hebrew

Alan Skarbnik, MD

Alan Pierre Zausner Skarbnik, M.D. serves as a staff physician in both the Department of Bone Marrow Transplantation and the Department of Lymphoma at John Theurer Cancer Center.

Prior to joining John Theurer Cancer Center at Hackensack University Medical Center, Dr. Skarbnik was a clinical instructor in the Department of Hematology and Hematopoietic Cell Transplantation at the City of Hope National Medical Center in Duarte, California. Dr. Skarbnik also previously served as Chief Fellow of Medical Oncology and Hematology at Fox Chase Cancer Center and Temple University Hospital, and practiced at Columbia University College of Physicians and Surgeons/St. Luke’s-Roosevelt Medical Center in their internal medicine internship and residency after moving his medical career to the United States from his native Brazil.

Dr. Skarbnik has a rich research background, having served as a primary investigator at Fox Chase Cancer Center to identify biomarkers of sensitivity to mTOR inhibitors in renal cell cancer tumor samples, co-primary investigator in a Phase II study of Rituximab Intense Dosing with CHOP-21 in a 2011 ASCO/AACR workshop, and investigated the role of JAK mutations in the development of acute lymphoblastic leukemia at Memorial Sloan Kettering’s Human Oncopathogenesis Program. Dr. Skarbnik has also been extensively published and has participated in a number of presentations and poster sessions at major medical meetings.

Dr. Skarbnik specializes in hematology/oncology, and has extensive experience in a range of medical volunteer work conducted across the globe.

  • Medical Education: Universidade de Sao Paulo, Brazil
  • Residency: Columbia University College of Physicians and Surgeons/St. Luke’s-Roosevelt Medical Center, Internal Medicine Internship and Residency, 2007-2010. Hospital das Clinicas, University of Sao Paulo, Brazil, Internal Medicine Residency, 2005-2007.
  • Fellowships: City of Hope National Medical Center, Adult Hematopoietic Stem Cell Transplantation, 2013-2014. Fox Chase Cancer Center Chief Fellow 2012-2013. Fox Chase Cancer Center and Temple University Hospital, Medical Oncology and Hematology, 2010-2013.
  • Internship: Hospital das Clinicas, University of Sao Paulo, Brazil, 2002-2003.
  • Board Certifications: 2013 board-certified, American Board of Internal Medicine, Medical Oncology. 2013 board-certified, American Board of Internal Medicine, Hematology. 2010 board-certified, American Board of Internal Medicine, Internal Medicine. ACLS certification updated in 2013.
  • Honors/Awards: ASCO 2013 Merit Award. LeDor VaDor Award, presented by the President of Brazil of voluntary work. ASCO/AACR Vail Cancer Workshop selection – 2011.
  • Languages: English, Portuguese, Spanish
  • Hobbies/Interests: Multi-instrumentalist, has played in a Brazilian band

James K. McCloskey II, MD

James K. McCloskey II, M.D., works in the Division of Leukemia and the Adult Blood and Marrow Stem Cell Transplantation Program at John Theurer Cancer Center. Prior to his current position, Dr. McCloskey was a fellow in the Department of Hematology and Oncology at Georgetown University Hospital.

Dr. McCloskey has extensive research experience, serving as primary investigator in a Phase I/II non-randomized study of birinapant in combination with decitabine in patients with relapsed or refractory myelodysplastic syndrome and acute myelogenous leukemia, and was a primary investigator of cellular and molecular characterization of the immune response and minimal residual disease in patients who have completed treatment for acute myeloid leukemia. Dr. McCloskey has additionally presented a range of clinical work at major medical conferences, including MedStar Washington Hospital center multi-institutional lymphoma teleconference, Georgetown University Research Day and the Society of Comparative and Integrative Biology. Dr. McCloskey’s research has been published in the Journal of Coagulation Disorders, Advances in Clinical Oncology and Breast Cancer Research and Treatment.

Dr. McCloskey has deep roots in the philanthropic community; worked with the Lymphoma Research Foundation since 2011; and has volunteered with Food and Friends, a nonprofit that prepares and delivers meals and groceries to D.C. residents living with HIV/AIDS, cancer and other conditions since 2004.

  • Medical Education: Georgetown University School of Medicine
  • Residency: Georgetown University Hospital, Internal Medicine Resident, July 2009-2011
  • Fellowships: Chief Fellow, Department of Hematology and Oncology, Georgetown University Hospital, 2013-2014. Fellow, Department of Hematology and Oncology, Georgetown University Hospital, 2009-2013.
  • Internship: Georgetown University Hospital, Internal Medicine Intern, 2009-2011.
  • Board Certifications: 2014 board-eligible, Hematology and Oncology. 2011 board-certified, American Board of Internal Medicine.
  • Honors/Awards: Hematology Fellows Consortium Workshop, 2013. AACR/ASCO Methods of Cancer Research Workshop, 2013. Dr. Allen J. Goody Memorial Award for excellence in teaching, peer mentorship and personal integrity, Georgetown University Hospital, 2011.
  • Memberships: American Society of Clinical Oncology, American Association of Cancer Research, Housestaff Quality Council, Chemotherapy Utilization Committee, American Society of Hematology.

Samuel Singer, MD

Samuel Singer, M.D. is a neuro-oncologist at the Neurological Oncology Division – The Brain and Spine Institute at John Theurer Cancer Center. In addition to treating patients with primary brain tumors and brain metastases, he is also actively involved in research into novel therapies for these illnesses. Cancers and their treatments are frequently associated with an array of neurologic problems, including stroke, epilepsy, neuropathy and neurologic autoimmune disease, and Dr. Singer specializes in diagnosing and treating these conditions.

Prior to joining the John Theurer Cancer Center, Dr. Singer completed a fellowship in neuro-oncology at Memorial Sloan-Kettering Cancer Center and his residency in neurology at New York-Presbyterian Hospital/Weill Cornell Medical Center.

Dr. Singer is a member of the American Academy of Neurology, the American Society of Clinical Oncology and the Society for Neuro-Oncology. He is widely published in peer-reviewed journals, including Neurosurgery, Neurology, Stroke and The Oncologist.

  • Medical Education: Albert Einstein College of Medicine, Bronx, NY
  • Residency: New York-Presbyterian Hospital/Weill Cornell Medical Center, New York, NY
  • Fellowships: Memorial Sloan-Kettering Cancer Center, New York, NY
  • Board Certifications: Diplomate, American Board of Psychiatry and Neurology
  • Specializations: Neurology
  • Memberships:
    • Alpha Omega Alpha Medical Honor Society 2007
    • American Academy of Neurology, since 2009
    • American Society Clinical Oncology, since 2012
    • Society for Neuro-Oncology, since 2012
  • Languages Spoken: English, Hebrew

Noa Biran, MD

Noa Biran, MD, joined the Myeloma Division at John Theurer Cancer Center in September 2014.

Dr. Biran previously served as Chief Fellow of Hematology and Medical Oncology at Icahn School of Medicine at Mount Sinai, New York, where she also practiced in their internal medicine internship and residency. She received her medical degree from The George Washington University in Washington, D.C. As a fellow at Icahn School of Medicine, Dr. Biran participated in numerous lecture series and training sessions for medical students, residents, and nurse practitioners.

Dr. Biran is actively involved with clinical research focusing on multiple myeloma. She has presented a range of clinical work at international and national conferences such as the American Society of Hematology and the Society of Hematologic Oncology. She is widely published in hematology and oncology journals such as American Journal of Hematology, Current Hematologic Malignancy Reports, and The Hemophilia Report, with a research focus on high-risk multiple myeloma and the role of minimal residual disease in multiple myeloma. She has also co-authored a chapter in Essentials of Hospital Medicine: A Practical Guide for Clinicians, entitled “Oncologic Emergencies.” She is an active and valued member of the European Society for Medical Oncology, American Society of Clinical Oncology and American Society of Hematology.

Robert S. Alter, MD

Dr. Robert Alter specializes in medical oncology and hematology, and is board certified in internal medicine, medical oncology and hematology. For more than 15 years, Dr. Alter has been treating patients in the New Jersey community. Dr. Alter is actively involved in genitourinary and head and neck cancer research.

Dr. Alter received his medical degree from the University of Health Sciences/The Chicago Medical School. He completed his residency at St. Luke’s/Roosevelt Hospital Center, New York, New York in internal medicine and received his fellowship training at New York University Medical Center in hematology/oncology.

Dr. Alter holds an appointment at Hackensack University Medical Center. He is also the Chairman of the Transfusion Committee at St. Clare’s Hospital, and a member of the American Cancer Society.

Tracy Proverbs-Singh, MD MPH

Dr. Tracy Proverbs-Singh specializes in medical oncology and is board certified. She received her medical degree from University of Pittsburgh and completed her internal medicine residency at Mount Sinai Hospital.

Medical Education: University of Pittsburgh
Residency Internship: Mount Sinai Hospital
Certification: Internal Medicine
Languages: English

Lori Ann Leslie, MD

Dr. Lori Ann Leslie specializes in hematology and medical oncology. Her specific clinical and research interests include non-Hodgkin lymphoma, Hodgkin lymphoma, and chronic lymphocytic leukemia.

Dr. Leslie received her MD from Columbia University College of Physicians and Surgeons, and stayed at Columbia University for internal medicine residency. She completed fellowship training at The University of Texas M.D. Anderson Cancer Center, where she served as Chief Fellow. Born and raised in Morristown, NJ, Dr. Leslie is ecstatic about the opportunity to return to her home state and join the John Theurer Cancer Center.

  • Medical Education: Columbia University, College of Physicians and Surgeons.
  • Internal Medicine Internship and Residency: New York Presbyterian Hospital, Columbia University.
  • Hematology/Oncology Fellowship: The University of Texas, MD Anderson Cancer Center.
  • Board Certifications/Eligibility: Hematology and Medical Oncology board eligible in 2015, Internal Medicine board certified in 2012
  • Memberships: American Society of Clinical Oncology, American Society of Hematology
  • Specializations: Lymphoma and CLL
  • Research Interests: Lymphoma and CLL
  • Languages Spoken: English

Jamie Koprivnikar, MD

Dr. Jamie Koprvinikar specializes in hematology and medical oncology and is board certified in both. She also holds a board certification in internal medicine.

Dr. Koprivnikar received her medical degree from the Sidney Kimmel Medical College, formerly Jefferson Medical College of Thomas Jefferson University, in Philadelphia, PA. She completed her internal medicine residency at MedStar Georgetown University Medical Center in Washington, DC. She then completed a fellowship in hematology and oncology, also at MedStar Georgetown University Medical Center. She was chosen to serve as chief fellow during her third and final year of fellowship.

Dr. Koprivnikar spent the early part of her career on faculty at MedStar Georgetown University Medical Center where she was active in teaching medical students, residents, and fellows. She also served as the medical co-director of the Patient Blood Management Program and was active on the institutional review board and as an investigator on many clinical trials. She is a member of the American Society of Hematology.

  • Medical Education: Sidney Kimmel Medical College, Philadelphia, PA
  • Residency: MedStar Georgetown University Medical Center, Washington, DC
  • Fellowship: MedStar Georgetown University Medical Center, Washington, DC
  • Board Certifications: Hematology, oncology, internal medicine
  • Specializations: Hematology, medical oncology
  • Research Interests: Leukemia, myelodysplastic syndrome, myeloproliferative neoplasms, aplastic anemia
  • Memberships: American Society of Hematology
  • Languages Spoken: English

Mira Hellmann, MD

Dr. Mira Hellmann specializes in Gynecologic Oncology. She treats all subtypes of gynecologic cancers including uterus, cervix, fallopian tube, ovaries, primary peritoneal, vaginal and vulvar cancer. The scope of her surgical expertise includes both traditional open surgery, as well as minimally invasive surgery. She has extensive expertise in complex laparoscopic surgery as well as robotic surgery.

Her research focus is in clinical research, including cooperative group studies, both industry-sponsored and investigator-initiated. She enjoys having the opportunity to offer patients the possibility of participating in the most cutting edge research, if they are inclined to do so.

Dr. Hellmann received her MD at SUNY Downstate in Brooklyn, and is a lifelong member of AOA. She completed her residency on Long Island Jewish Medical Center, and returned to SUNY Downstate for her fellowship training. She maintained a faculty position in central New Jersey for eight years where she developed a robust practice in a short period of time. She was active in resident and student education. She also helped spearhead a minimally invasive center that was a comprehensive resource for minimally invasive surgeons across multiple cancer specialties. She is looking forward to establishing her practice at the John Theurer Cancer Center, and to providing the highest quality of care to her patients.

Dr. Hellmann is board certified in both Obstetrics and Gynecology as well as Gynecologic Oncology.

  • Medical Education: SUNY Health Science Center at Brooklyn
  • Internship/Residency: Long Island Jewish Medical Center
  • Fellowship: SUNY Health Science Center at Brooklyn
  • Specialization: Gynecologic Oncology
  • Board Certification: Obstetrics and Gynecology, Gynecologic Oncology
  • Research Interests: Surgical innovation, clinical trials in gynecologic oncology
  • Membership: American Board of Obstetrics and Gynecology, Society of Gynecologic Oncology, Alpha Omega Alpha
  • Languages: English, Hebrew

Alan Skarbnik, MD

Alan Pierre Zausner Skarbnik, M.D. serves as a staff physician in both the Department of Bone Marrow Transplantation and the Department of Lymphoma at John Theurer Cancer Center.

Prior to joining John Theurer Cancer Center at Hackensack University Medical Center, Dr. Skarbnik was a clinical instructor in the Department of Hematology and Hematopoietic Cell Transplantation at the City of Hope National Medical Center in Duarte, California. Dr. Skarbnik also previously served as Chief Fellow of Medical Oncology and Hematology at Fox Chase Cancer Center and Temple University Hospital, and practiced at Columbia University College of Physicians and Surgeons/St. Luke’s-Roosevelt Medical Center in their internal medicine internship and residency after moving his medical career to the United States from his native Brazil.

Dr. Skarbnik has a rich research background, having served as a primary investigator at Fox Chase Cancer Center to identify biomarkers of sensitivity to mTOR inhibitors in renal cell cancer tumor samples, co-primary investigator in a Phase II study of Rituximab Intense Dosing with CHOP-21 in a 2011 ASCO/AACR workshop, and investigated the role of JAK mutations in the development of acute lymphoblastic leukemia at Memorial Sloan Kettering’s Human Oncopathogenesis Program. Dr. Skarbnik has also been extensively published and has participated in a number of presentations and poster sessions at major medical meetings.

Dr. Skarbnik specializes in hematology/oncology, and has extensive experience in a range of medical volunteer work conducted across the globe.

  • Medical Education: Universidade de Sao Paulo, Brazil
  • Residency: Columbia University College of Physicians and Surgeons/St. Luke’s-Roosevelt Medical Center, Internal Medicine Internship and Residency, 2007-2010. Hospital das Clinicas, University of Sao Paulo, Brazil, Internal Medicine Residency, 2005-2007.
  • Fellowships: City of Hope National Medical Center, Adult Hematopoietic Stem Cell Transplantation, 2013-2014. Fox Chase Cancer Center Chief Fellow 2012-2013. Fox Chase Cancer Center and Temple University Hospital, Medical Oncology and Hematology, 2010-2013.
  • Internship: Hospital das Clinicas, University of Sao Paulo, Brazil, 2002-2003.
  • Board Certifications: 2013 board-certified, American Board of Internal Medicine, Medical Oncology. 2013 board-certified, American Board of Internal Medicine, Hematology. 2010 board-certified, American Board of Internal Medicine, Internal Medicine. ACLS certification updated in 2013.
  • Honors/Awards: ASCO 2013 Merit Award. LeDor VaDor Award, presented by the President of Brazil of voluntary work. ASCO/AACR Vail Cancer Workshop selection – 2011.
  • Languages: English, Portuguese, Spanish
  • Hobbies/Interests: Multi-instrumentalist, has played in a Brazilian band

James K. McCloskey II, MD

James K. McCloskey II, M.D., works in the Division of Leukemia and the Adult Blood and Marrow Stem Cell Transplantation Program at John Theurer Cancer Center. Prior to his current position, Dr. McCloskey was a fellow in the Department of Hematology and Oncology at Georgetown University Hospital.

Dr. McCloskey has extensive research experience, serving as primary investigator in a Phase I/II non-randomized study of birinapant in combination with decitabine in patients with relapsed or refractory myelodysplastic syndrome and acute myelogenous leukemia, and was a primary investigator of cellular and molecular characterization of the immune response and minimal residual disease in patients who have completed treatment for acute myeloid leukemia. Dr. McCloskey has additionally presented a range of clinical work at major medical conferences, including MedStar Washington Hospital center multi-institutional lymphoma teleconference, Georgetown University Research Day and the Society of Comparative and Integrative Biology. Dr. McCloskey’s research has been published in the Journal of Coagulation Disorders, Advances in Clinical Oncology and Breast Cancer Research and Treatment.

Dr. McCloskey has deep roots in the philanthropic community; worked with the Lymphoma Research Foundation since 2011; and has volunteered with Food and Friends, a nonprofit that prepares and delivers meals and groceries to D.C. residents living with HIV/AIDS, cancer and other conditions since 2004.

  • Medical Education: Georgetown University School of Medicine
  • Residency: Georgetown University Hospital, Internal Medicine Resident, July 2009-2011
  • Fellowships: Chief Fellow, Department of Hematology and Oncology, Georgetown University Hospital, 2013-2014. Fellow, Department of Hematology and Oncology, Georgetown University Hospital, 2009-2013.
  • Internship: Georgetown University Hospital, Internal Medicine Intern, 2009-2011.
  • Board Certifications: 2014 board-eligible, Hematology and Oncology. 2011 board-certified, American Board of Internal Medicine.
  • Honors/Awards: Hematology Fellows Consortium Workshop, 2013. AACR/ASCO Methods of Cancer Research Workshop, 2013. Dr. Allen J. Goody Memorial Award for excellence in teaching, peer mentorship and personal integrity, Georgetown University Hospital, 2011.
  • Memberships: American Society of Clinical Oncology, American Association of Cancer Research, Housestaff Quality Council, Chemotherapy Utilization Committee, American Society of Hematology.

Samuel Singer, MD

Samuel Singer, M.D. is a neuro-oncologist at the Neurological Oncology Division – The Brain and Spine Institute at John Theurer Cancer Center. In addition to treating patients with primary brain tumors and brain metastases, he is also actively involved in research into novel therapies for these illnesses. Cancers and their treatments are frequently associated with an array of neurologic problems, including stroke, epilepsy, neuropathy and neurologic autoimmune disease, and Dr. Singer specializes in diagnosing and treating these conditions.

Prior to joining the John Theurer Cancer Center, Dr. Singer completed a fellowship in neuro-oncology at Memorial Sloan-Kettering Cancer Center and his residency in neurology at New York-Presbyterian Hospital/Weill Cornell Medical Center.

Dr. Singer is a member of the American Academy of Neurology, the American Society of Clinical Oncology and the Society for Neuro-Oncology. He is widely published in peer-reviewed journals, including Neurosurgery, Neurology, Stroke and The Oncologist.

  • Medical Education: Albert Einstein College of Medicine, Bronx, NY
  • Residency: New York-Presbyterian Hospital/Weill Cornell Medical Center, New York, NY
  • Fellowships: Memorial Sloan-Kettering Cancer Center, New York, NY
  • Board Certifications: Diplomate, American Board of Psychiatry and Neurology
  • Specializations: Neurology
  • Memberships:
    • Alpha Omega Alpha Medical Honor Society 2007
    • American Academy of Neurology, since 2009
    • American Society Clinical Oncology, since 2012
    • Society for Neuro-Oncology, since 2012
  • Languages Spoken: English, Hebrew

Noa Biran, MD

Noa Biran, MD, joined the Myeloma Division at John Theurer Cancer Center in September 2014.

Dr. Biran previously served as Chief Fellow of Hematology and Medical Oncology at Icahn School of Medicine at Mount Sinai, New York, where she also practiced in their internal medicine internship and residency. She received her medical degree from The George Washington University in Washington, D.C. As a fellow at Icahn School of Medicine, Dr. Biran participated in numerous lecture series and training sessions for medical students, residents, and nurse practitioners.

Dr. Biran is actively involved with clinical research focusing on multiple myeloma. She has presented a range of clinical work at international and national conferences such as the American Society of Hematology and the Society of Hematologic Oncology. She is widely published in hematology and oncology journals such as American Journal of Hematology, Current Hematologic Malignancy Reports, and The Hemophilia Report, with a research focus on high-risk multiple myeloma and the role of minimal residual disease in multiple myeloma. She has also co-authored a chapter in Essentials of Hospital Medicine: A Practical Guide for Clinicians, entitled “Oncologic Emergencies.” She is an active and valued member of the European Society for Medical Oncology, American Society of Clinical Oncology and American Society of Hematology.

Robert S. Alter, MD

Dr. Robert Alter specializes in medical oncology and hematology, and is board certified in internal medicine, medical oncology and hematology. For more than 15 years, Dr. Alter has been treating patients in the New Jersey community. Dr. Alter is actively involved in genitourinary and head and neck cancer research.

Dr. Alter received his medical degree from the University of Health Sciences/The Chicago Medical School. He completed his residency at St. Luke’s/Roosevelt Hospital Center, New York, New York in internal medicine and received his fellowship training at New York University Medical Center in hematology/oncology.

Dr. Alter holds an appointment at Hackensack University Medical Center. He is also the Chairman of the Transfusion Committee at St. Clare’s Hospital, and a member of the American Cancer Society.

Tracy Proverbs-Singh, MD MPH

Dr. Tracy Proverbs-Singh specializes in medical oncology and is board certified. She received her medical degree from University of Pittsburgh and completed her internal medicine residency at Mount Sinai Hospital.

Medical Education: University of Pittsburgh
Residency Internship: Mount Sinai Hospital
Certification: Internal Medicine
Languages: English

Lori Ann Leslie, MD

Dr. Lori Ann Leslie specializes in hematology and medical oncology. Her specific clinical and research interests include non-Hodgkin lymphoma, Hodgkin lymphoma, and chronic lymphocytic leukemia.

Dr. Leslie received her MD from Columbia University College of Physicians and Surgeons, and stayed at Columbia University for internal medicine residency. She completed fellowship training at The University of Texas M.D. Anderson Cancer Center, where she served as Chief Fellow. Born and raised in Morristown, NJ, Dr. Leslie is ecstatic about the opportunity to return to her home state and join the John Theurer Cancer Center.

  • Medical Education: Columbia University, College of Physicians and Surgeons.
  • Internal Medicine Internship and Residency: New York Presbyterian Hospital, Columbia University.
  • Hematology/Oncology Fellowship: The University of Texas, MD Anderson Cancer Center.
  • Board Certifications/Eligibility: Hematology and Medical Oncology board eligible in 2015, Internal Medicine board certified in 2012
  • Memberships: American Society of Clinical Oncology, American Society of Hematology
  • Specializations: Lymphoma and CLL
  • Research Interests: Lymphoma and CLL
  • Languages Spoken: English

Jamie Koprivnikar, MD

Dr. Jamie Koprvinikar specializes in hematology and medical oncology and is board certified in both. She also holds a board certification in internal medicine.

Dr. Koprivnikar received her medical degree from the Sidney Kimmel Medical College, formerly Jefferson Medical College of Thomas Jefferson University, in Philadelphia, PA. She completed her internal medicine residency at MedStar Georgetown University Medical Center in Washington, DC. She then completed a fellowship in hematology and oncology, also at MedStar Georgetown University Medical Center. She was chosen to serve as chief fellow during her third and final year of fellowship.

Dr. Koprivnikar spent the early part of her career on faculty at MedStar Georgetown University Medical Center where she was active in teaching medical students, residents, and fellows. She also served as the medical co-director of the Patient Blood Management Program and was active on the institutional review board and as an investigator on many clinical trials. She is a member of the American Society of Hematology.

  • Medical Education: Sidney Kimmel Medical College, Philadelphia, PA
  • Residency: MedStar Georgetown University Medical Center, Washington, DC
  • Fellowship: MedStar Georgetown University Medical Center, Washington, DC
  • Board Certifications: Hematology, oncology, internal medicine
  • Specializations: Hematology, medical oncology
  • Research Interests: Leukemia, myelodysplastic syndrome, myeloproliferative neoplasms, aplastic anemia
  • Memberships: American Society of Hematology
  • Languages Spoken: English

Mira Hellmann, MD

Dr. Mira Hellmann specializes in Gynecologic Oncology. She treats all subtypes of gynecologic cancers including uterus, cervix, fallopian tube, ovaries, primary peritoneal, vaginal and vulvar cancer. The scope of her surgical expertise includes both traditional open surgery, as well as minimally invasive surgery. She has extensive expertise in complex laparoscopic surgery as well as robotic surgery.

Her research focus is in clinical research, including cooperative group studies, both industry-sponsored and investigator-initiated. She enjoys having the opportunity to offer patients the possibility of participating in the most cutting edge research, if they are inclined to do so.

Dr. Hellmann received her MD at SUNY Downstate in Brooklyn, and is a lifelong member of AOA. She completed her residency on Long Island Jewish Medical Center, and returned to SUNY Downstate for her fellowship training. She maintained a faculty position in central New Jersey for eight years where she developed a robust practice in a short period of time. She was active in resident and student education. She also helped spearhead a minimally invasive center that was a comprehensive resource for minimally invasive surgeons across multiple cancer specialties. She is looking forward to establishing her practice at the John Theurer Cancer Center, and to providing the highest quality of care to her patients.

Dr. Hellmann is board certified in both Obstetrics and Gynecology as well as Gynecologic Oncology.

  • Medical Education: SUNY Health Science Center at Brooklyn
  • Internship/Residency: Long Island Jewish Medical Center
  • Fellowship: SUNY Health Science Center at Brooklyn
  • Specialization: Gynecologic Oncology
  • Board Certification: Obstetrics and Gynecology, Gynecologic Oncology
  • Research Interests: Surgical innovation, clinical trials in gynecologic oncology
  • Membership: American Board of Obstetrics and Gynecology, Society of Gynecologic Oncology, Alpha Omega Alpha
  • Languages: English, Hebrew

Alan Skarbnik, MD

Alan Pierre Zausner Skarbnik, M.D. serves as a staff physician in both the Department of Bone Marrow Transplantation and the Department of Lymphoma at John Theurer Cancer Center.

Prior to joining John Theurer Cancer Center at Hackensack University Medical Center, Dr. Skarbnik was a clinical instructor in the Department of Hematology and Hematopoietic Cell Transplantation at the City of Hope National Medical Center in Duarte, California. Dr. Skarbnik also previously served as Chief Fellow of Medical Oncology and Hematology at Fox Chase Cancer Center and Temple University Hospital, and practiced at Columbia University College of Physicians and Surgeons/St. Luke’s-Roosevelt Medical Center in their internal medicine internship and residency after moving his medical career to the United States from his native Brazil.

Dr. Skarbnik has a rich research background, having served as a primary investigator at Fox Chase Cancer Center to identify biomarkers of sensitivity to mTOR inhibitors in renal cell cancer tumor samples, co-primary investigator in a Phase II study of Rituximab Intense Dosing with CHOP-21 in a 2011 ASCO/AACR workshop, and investigated the role of JAK mutations in the development of acute lymphoblastic leukemia at Memorial Sloan Kettering’s Human Oncopathogenesis Program. Dr. Skarbnik has also been extensively published and has participated in a number of presentations and poster sessions at major medical meetings.

Dr. Skarbnik specializes in hematology/oncology, and has extensive experience in a range of medical volunteer work conducted across the globe.

  • Medical Education: Universidade de Sao Paulo, Brazil
  • Residency: Columbia University College of Physicians and Surgeons/St. Luke’s-Roosevelt Medical Center, Internal Medicine Internship and Residency, 2007-2010. Hospital das Clinicas, University of Sao Paulo, Brazil, Internal Medicine Residency, 2005-2007.
  • Fellowships: City of Hope National Medical Center, Adult Hematopoietic Stem Cell Transplantation, 2013-2014. Fox Chase Cancer Center Chief Fellow 2012-2013. Fox Chase Cancer Center and Temple University Hospital, Medical Oncology and Hematology, 2010-2013.
  • Internship: Hospital das Clinicas, University of Sao Paulo, Brazil, 2002-2003.
  • Board Certifications: 2013 board-certified, American Board of Internal Medicine, Medical Oncology. 2013 board-certified, American Board of Internal Medicine, Hematology. 2010 board-certified, American Board of Internal Medicine, Internal Medicine. ACLS certification updated in 2013.
  • Honors/Awards: ASCO 2013 Merit Award. LeDor VaDor Award, presented by the President of Brazil of voluntary work. ASCO/AACR Vail Cancer Workshop selection – 2011.
  • Languages: English, Portuguese, Spanish
  • Hobbies/Interests: Multi-instrumentalist, has played in a Brazilian band

James K. McCloskey II, MD

James K. McCloskey II, M.D., works in the Division of Leukemia and the Adult Blood and Marrow Stem Cell Transplantation Program at John Theurer Cancer Center. Prior to his current position, Dr. McCloskey was a fellow in the Department of Hematology and Oncology at Georgetown University Hospital.

Dr. McCloskey has extensive research experience, serving as primary investigator in a Phase I/II non-randomized study of birinapant in combination with decitabine in patients with relapsed or refractory myelodysplastic syndrome and acute myelogenous leukemia, and was a primary investigator of cellular and molecular characterization of the immune response and minimal residual disease in patients who have completed treatment for acute myeloid leukemia. Dr. McCloskey has additionally presented a range of clinical work at major medical conferences, including MedStar Washington Hospital center multi-institutional lymphoma teleconference, Georgetown University Research Day and the Society of Comparative and Integrative Biology. Dr. McCloskey’s research has been published in the Journal of Coagulation Disorders, Advances in Clinical Oncology and Breast Cancer Research and Treatment.

Dr. McCloskey has deep roots in the philanthropic community; worked with the Lymphoma Research Foundation since 2011; and has volunteered with Food and Friends, a nonprofit that prepares and delivers meals and groceries to D.C. residents living with HIV/AIDS, cancer and other conditions since 2004.

  • Medical Education: Georgetown University School of Medicine
  • Residency: Georgetown University Hospital, Internal Medicine Resident, July 2009-2011
  • Fellowships: Chief Fellow, Department of Hematology and Oncology, Georgetown University Hospital, 2013-2014. Fellow, Department of Hematology and Oncology, Georgetown University Hospital, 2009-2013.
  • Internship: Georgetown University Hospital, Internal Medicine Intern, 2009-2011.
  • Board Certifications: 2014 board-eligible, Hematology and Oncology. 2011 board-certified, American Board of Internal Medicine.
  • Honors/Awards: Hematology Fellows Consortium Workshop, 2013. AACR/ASCO Methods of Cancer Research Workshop, 2013. Dr. Allen J. Goody Memorial Award for excellence in teaching, peer mentorship and personal integrity, Georgetown University Hospital, 2011.
  • Memberships: American Society of Clinical Oncology, American Association of Cancer Research, Housestaff Quality Council, Chemotherapy Utilization Committee, American Society of Hematology.

Samuel Singer, MD

Samuel Singer, M.D. is a neuro-oncologist at the Neurological Oncology Division – The Brain and Spine Institute at John Theurer Cancer Center. In addition to treating patients with primary brain tumors and brain metastases, he is also actively involved in research into novel therapies for these illnesses. Cancers and their treatments are frequently associated with an array of neurologic problems, including stroke, epilepsy, neuropathy and neurologic autoimmune disease, and Dr. Singer specializes in diagnosing and treating these conditions.

Prior to joining the John Theurer Cancer Center, Dr. Singer completed a fellowship in neuro-oncology at Memorial Sloan-Kettering Cancer Center and his residency in neurology at New York-Presbyterian Hospital/Weill Cornell Medical Center.

Dr. Singer is a member of the American Academy of Neurology, the American Society of Clinical Oncology and the Society for Neuro-Oncology. He is widely published in peer-reviewed journals, including Neurosurgery, Neurology, Stroke and The Oncologist.

  • Medical Education: Albert Einstein College of Medicine, Bronx, NY
  • Residency: New York-Presbyterian Hospital/Weill Cornell Medical Center, New York, NY
  • Fellowships: Memorial Sloan-Kettering Cancer Center, New York, NY
  • Board Certifications: Diplomate, American Board of Psychiatry and Neurology
  • Specializations: Neurology
  • Memberships:
    • Alpha Omega Alpha Medical Honor Society 2007
    • American Academy of Neurology, since 2009
    • American Society Clinical Oncology, since 2012
    • Society for Neuro-Oncology, since 2012
  • Languages Spoken: English, Hebrew

Noa Biran, MD

Noa Biran, MD, joined the Myeloma Division at John Theurer Cancer Center in September 2014.

Dr. Biran previously served as Chief Fellow of Hematology and Medical Oncology at Icahn School of Medicine at Mount Sinai, New York, where she also practiced in their internal medicine internship and residency. She received her medical degree from The George Washington University in Washington, D.C. As a fellow at Icahn School of Medicine, Dr. Biran participated in numerous lecture series and training sessions for medical students, residents, and nurse practitioners.

Dr. Biran is actively involved with clinical research focusing on multiple myeloma. She has presented a range of clinical work at international and national conferences such as the American Society of Hematology and the Society of Hematologic Oncology. She is widely published in hematology and oncology journals such as American Journal of Hematology, Current Hematologic Malignancy Reports, and The Hemophilia Report, with a research focus on high-risk multiple myeloma and the role of minimal residual disease in multiple myeloma. She has also co-authored a chapter in Essentials of Hospital Medicine: A Practical Guide for Clinicians, entitled “Oncologic Emergencies.” She is an active and valued member of the European Society for Medical Oncology, American Society of Clinical Oncology and American Society of Hematology.

Robert S. Alter, MD

Dr. Robert Alter specializes in medical oncology and hematology, and is board certified in internal medicine, medical oncology and hematology. For more than 15 years, Dr. Alter has been treating patients in the New Jersey community. Dr. Alter is actively involved in genitourinary and head and neck cancer research.

Dr. Alter received his medical degree from the University of Health Sciences/The Chicago Medical School. He completed his residency at St. Luke’s/Roosevelt Hospital Center, New York, New York in internal medicine and received his fellowship training at New York University Medical Center in hematology/oncology.

Dr. Alter holds an appointment at Hackensack University Medical Center. He is also the Chairman of the Transfusion Committee at St. Clare’s Hospital, and a member of the American Cancer Society.

Tracy Proverbs-Singh, MD MPH

Dr. Tracy Proverbs-Singh specializes in medical oncology and is board certified. She received her medical degree from University of Pittsburgh and completed her internal medicine residency at Mount Sinai Hospital.

Medical Education: University of Pittsburgh
Residency Internship: Mount Sinai Hospital
Certification: Internal Medicine
Languages: English

Lori Ann Leslie, MD

Dr. Lori Ann Leslie specializes in hematology and medical oncology. Her specific clinical and research interests include non-Hodgkin lymphoma, Hodgkin lymphoma, and chronic lymphocytic leukemia.

Dr. Leslie received her MD from Columbia University College of Physicians and Surgeons, and stayed at Columbia University for internal medicine residency. She completed fellowship training at The University of Texas M.D. Anderson Cancer Center, where she served as Chief Fellow. Born and raised in Morristown, NJ, Dr. Leslie is ecstatic about the opportunity to return to her home state and join the John Theurer Cancer Center.

  • Medical Education: Columbia University, College of Physicians and Surgeons.
  • Internal Medicine Internship and Residency: New York Presbyterian Hospital, Columbia University.
  • Hematology/Oncology Fellowship: The University of Texas, MD Anderson Cancer Center.
  • Board Certifications/Eligibility: Hematology and Medical Oncology board eligible in 2015, Internal Medicine board certified in 2012
  • Memberships: American Society of Clinical Oncology, American Society of Hematology
  • Specializations: Lymphoma and CLL
  • Research Interests: Lymphoma and CLL
  • Languages Spoken: English

Jamie Koprivnikar, MD

Dr. Jamie Koprvinikar specializes in hematology and medical oncology and is board certified in both. She also holds a board certification in internal medicine.

Dr. Koprivnikar received her medical degree from the Sidney Kimmel Medical College, formerly Jefferson Medical College of Thomas Jefferson University, in Philadelphia, PA. She completed her internal medicine residency at MedStar Georgetown University Medical Center in Washington, DC. She then completed a fellowship in hematology and oncology, also at MedStar Georgetown University Medical Center. She was chosen to serve as chief fellow during her third and final year of fellowship.

Dr. Koprivnikar spent the early part of her career on faculty at MedStar Georgetown University Medical Center where she was active in teaching medical students, residents, and fellows. She also served as the medical co-director of the Patient Blood Management Program and was active on the institutional review board and as an investigator on many clinical trials. She is a member of the American Society of Hematology.

  • Medical Education: Sidney Kimmel Medical College, Philadelphia, PA
  • Residency: MedStar Georgetown University Medical Center, Washington, DC
  • Fellowship: MedStar Georgetown University Medical Center, Washington, DC
  • Board Certifications: Hematology, oncology, internal medicine
  • Specializations: Hematology, medical oncology
  • Research Interests: Leukemia, myelodysplastic syndrome, myeloproliferative neoplasms, aplastic anemia
  • Memberships: American Society of Hematology
  • Languages Spoken: English

Mira Hellmann, MD

Dr. Mira Hellmann specializes in Gynecologic Oncology. She treats all subtypes of gynecologic cancers including uterus, cervix, fallopian tube, ovaries, primary peritoneal, vaginal and vulvar cancer. The scope of her surgical expertise includes both traditional open surgery, as well as minimally invasive surgery. She has extensive expertise in complex laparoscopic surgery as well as robotic surgery.

Her research focus is in clinical research, including cooperative group studies, both industry-sponsored and investigator-initiated. She enjoys having the opportunity to offer patients the possibility of participating in the most cutting edge research, if they are inclined to do so.

Dr. Hellmann received her MD at SUNY Downstate in Brooklyn, and is a lifelong member of AOA. She completed her residency on Long Island Jewish Medical Center, and returned to SUNY Downstate for her fellowship training. She maintained a faculty position in central New Jersey for eight years where she developed a robust practice in a short period of time. She was active in resident and student education. She also helped spearhead a minimally invasive center that was a comprehensive resource for minimally invasive surgeons across multiple cancer specialties. She is looking forward to establishing her practice at the John Theurer Cancer Center, and to providing the highest quality of care to her patients.

Dr. Hellmann is board certified in both Obstetrics and Gynecology as well as Gynecologic Oncology.

  • Medical Education: SUNY Health Science Center at Brooklyn
  • Internship/Residency: Long Island Jewish Medical Center
  • Fellowship: SUNY Health Science Center at Brooklyn
  • Specialization: Gynecologic Oncology
  • Board Certification: Obstetrics and Gynecology, Gynecologic Oncology
  • Research Interests: Surgical innovation, clinical trials in gynecologic oncology
  • Membership: American Board of Obstetrics and Gynecology, Society of Gynecologic Oncology, Alpha Omega Alpha
  • Languages: English, Hebrew

Alan Skarbnik, MD

Alan Pierre Zausner Skarbnik, M.D. serves as a staff physician in both the Department of Bone Marrow Transplantation and the Department of Lymphoma at John Theurer Cancer Center.

Prior to joining John Theurer Cancer Center at Hackensack University Medical Center, Dr. Skarbnik was a clinical instructor in the Department of Hematology and Hematopoietic Cell Transplantation at the City of Hope National Medical Center in Duarte, California. Dr. Skarbnik also previously served as Chief Fellow of Medical Oncology and Hematology at Fox Chase Cancer Center and Temple University Hospital, and practiced at Columbia University College of Physicians and Surgeons/St. Luke’s-Roosevelt Medical Center in their internal medicine internship and residency after moving his medical career to the United States from his native Brazil.

Dr. Skarbnik has a rich research background, having served as a primary investigator at Fox Chase Cancer Center to identify biomarkers of sensitivity to mTOR inhibitors in renal cell cancer tumor samples, co-primary investigator in a Phase II study of Rituximab Intense Dosing with CHOP-21 in a 2011 ASCO/AACR workshop, and investigated the role of JAK mutations in the development of acute lymphoblastic leukemia at Memorial Sloan Kettering’s Human Oncopathogenesis Program. Dr. Skarbnik has also been extensively published and has participated in a number of presentations and poster sessions at major medical meetings.

Dr. Skarbnik specializes in hematology/oncology, and has extensive experience in a range of medical volunteer work conducted across the globe.

  • Medical Education: Universidade de Sao Paulo, Brazil
  • Residency: Columbia University College of Physicians and Surgeons/St. Luke’s-Roosevelt Medical Center, Internal Medicine Internship and Residency, 2007-2010. Hospital das Clinicas, University of Sao Paulo, Brazil, Internal Medicine Residency, 2005-2007.
  • Fellowships: City of Hope National Medical Center, Adult Hematopoietic Stem Cell Transplantation, 2013-2014. Fox Chase Cancer Center Chief Fellow 2012-2013. Fox Chase Cancer Center and Temple University Hospital, Medical Oncology and Hematology, 2010-2013.
  • Internship: Hospital das Clinicas, University of Sao Paulo, Brazil, 2002-2003.
  • Board Certifications: 2013 board-certified, American Board of Internal Medicine, Medical Oncology. 2013 board-certified, American Board of Internal Medicine, Hematology. 2010 board-certified, American Board of Internal Medicine, Internal Medicine. ACLS certification updated in 2013.
  • Honors/Awards: ASCO 2013 Merit Award. LeDor VaDor Award, presented by the President of Brazil of voluntary work. ASCO/AACR Vail Cancer Workshop selection – 2011.
  • Languages: English, Portuguese, Spanish
  • Hobbies/Interests: Multi-instrumentalist, has played in a Brazilian band

James K. McCloskey II, MD

James K. McCloskey II, M.D., works in the Division of Leukemia and the Adult Blood and Marrow Stem Cell Transplantation Program at John Theurer Cancer Center. Prior to his current position, Dr. McCloskey was a fellow in the Department of Hematology and Oncology at Georgetown University Hospital.

Dr. McCloskey has extensive research experience, serving as primary investigator in a Phase I/II non-randomized study of birinapant in combination with decitabine in patients with relapsed or refractory myelodysplastic syndrome and acute myelogenous leukemia, and was a primary investigator of cellular and molecular characterization of the immune response and minimal residual disease in patients who have completed treatment for acute myeloid leukemia. Dr. McCloskey has additionally presented a range of clinical work at major medical conferences, including MedStar Washington Hospital center multi-institutional lymphoma teleconference, Georgetown University Research Day and the Society of Comparative and Integrative Biology. Dr. McCloskey’s research has been published in the Journal of Coagulation Disorders, Advances in Clinical Oncology and Breast Cancer Research and Treatment.

Dr. McCloskey has deep roots in the philanthropic community; worked with the Lymphoma Research Foundation since 2011; and has volunteered with Food and Friends, a nonprofit that prepares and delivers meals and groceries to D.C. residents living with HIV/AIDS, cancer and other conditions since 2004.

  • Medical Education: Georgetown University School of Medicine
  • Residency: Georgetown University Hospital, Internal Medicine Resident, July 2009-2011
  • Fellowships: Chief Fellow, Department of Hematology and Oncology, Georgetown University Hospital, 2013-2014. Fellow, Department of Hematology and Oncology, Georgetown University Hospital, 2009-2013.
  • Internship: Georgetown University Hospital, Internal Medicine Intern, 2009-2011.
  • Board Certifications: 2014 board-eligible, Hematology and Oncology. 2011 board-certified, American Board of Internal Medicine.
  • Honors/Awards: Hematology Fellows Consortium Workshop, 2013. AACR/ASCO Methods of Cancer Research Workshop, 2013. Dr. Allen J. Goody Memorial Award for excellence in teaching, peer mentorship and personal integrity, Georgetown University Hospital, 2011.
  • Memberships: American Society of Clinical Oncology, American Association of Cancer Research, Housestaff Quality Council, Chemotherapy Utilization Committee, American Society of Hematology.

Samuel Singer, MD

Samuel Singer, M.D. is a neuro-oncologist at the Neurological Oncology Division – The Brain and Spine Institute at John Theurer Cancer Center. In addition to treating patients with primary brain tumors and brain metastases, he is also actively involved in research into novel therapies for these illnesses. Cancers and their treatments are frequently associated with an array of neurologic problems, including stroke, epilepsy, neuropathy and neurologic autoimmune disease, and Dr. Singer specializes in diagnosing and treating these conditions.

Prior to joining the John Theurer Cancer Center, Dr. Singer completed a fellowship in neuro-oncology at Memorial Sloan-Kettering Cancer Center and his residency in neurology at New York-Presbyterian Hospital/Weill Cornell Medical Center.

Dr. Singer is a member of the American Academy of Neurology, the American Society of Clinical Oncology and the Society for Neuro-Oncology. He is widely published in peer-reviewed journals, including Neurosurgery, Neurology, Stroke and The Oncologist.

  • Medical Education: Albert Einstein College of Medicine, Bronx, NY
  • Residency: New York-Presbyterian Hospital/Weill Cornell Medical Center, New York, NY
  • Fellowships: Memorial Sloan-Kettering Cancer Center, New York, NY
  • Board Certifications: Diplomate, American Board of Psychiatry and Neurology
  • Specializations: Neurology
  • Memberships:
    • Alpha Omega Alpha Medical Honor Society 2007
    • American Academy of Neurology, since 2009
    • American Society Clinical Oncology, since 2012
    • Society for Neuro-Oncology, since 2012
  • Languages Spoken: English, Hebrew

Noa Biran, MD

Noa Biran, MD, joined the Myeloma Division at John Theurer Cancer Center in September 2014.

Dr. Biran previously served as Chief Fellow of Hematology and Medical Oncology at Icahn School of Medicine at Mount Sinai, New York, where she also practiced in their internal medicine internship and residency. She received her medical degree from The George Washington University in Washington, D.C. As a fellow at Icahn School of Medicine, Dr. Biran participated in numerous lecture series and training sessions for medical students, residents, and nurse practitioners.

Dr. Biran is actively involved with clinical research focusing on multiple myeloma. She has presented a range of clinical work at international and national conferences such as the American Society of Hematology and the Society of Hematologic Oncology. She is widely published in hematology and oncology journals such as American Journal of Hematology, Current Hematologic Malignancy Reports, and The Hemophilia Report, with a research focus on high-risk multiple myeloma and the role of minimal residual disease in multiple myeloma. She has also co-authored a chapter in Essentials of Hospital Medicine: A Practical Guide for Clinicians, entitled “Oncologic Emergencies.” She is an active and valued member of the European Society for Medical Oncology, American Society of Clinical Oncology and American Society of Hematology.

Robert S. Alter, MD

Dr. Robert Alter specializes in medical oncology and hematology, and is board certified in internal medicine, medical oncology and hematology. For more than 15 years, Dr. Alter has been treating patients in the New Jersey community. Dr. Alter is actively involved in genitourinary and head and neck cancer research.

Dr. Alter received his medical degree from the University of Health Sciences/The Chicago Medical School. He completed his residency at St. Luke’s/Roosevelt Hospital Center, New York, New York in internal medicine and received his fellowship training at New York University Medical Center in hematology/oncology.

Dr. Alter holds an appointment at Hackensack University Medical Center. He is also the Chairman of the Transfusion Committee at St. Clare’s Hospital, and a member of the American Cancer Society.

Tracy Proverbs-Singh, MD MPH

Dr. Tracy Proverbs-Singh specializes in medical oncology and is board certified. She received her medical degree from University of Pittsburgh and completed her internal medicine residency at Mount Sinai Hospital.

Medical Education: University of Pittsburgh
Residency Internship: Mount Sinai Hospital
Certification: Internal Medicine
Languages: English

Lori Ann Leslie, MD

Dr. Lori Ann Leslie specializes in hematology and medical oncology. Her specific clinical and research interests include non-Hodgkin lymphoma, Hodgkin lymphoma, and chronic lymphocytic leukemia.

Dr. Leslie received her MD from Columbia University College of Physicians and Surgeons, and stayed at Columbia University for internal medicine residency. She completed fellowship training at The University of Texas M.D. Anderson Cancer Center, where she served as Chief Fellow. Born and raised in Morristown, NJ, Dr. Leslie is ecstatic about the opportunity to return to her home state and join the John Theurer Cancer Center.

  • Medical Education: Columbia University, College of Physicians and Surgeons.
  • Internal Medicine Internship and Residency: New York Presbyterian Hospital, Columbia University.
  • Hematology/Oncology Fellowship: The University of Texas, MD Anderson Cancer Center.
  • Board Certifications/Eligibility: Hematology and Medical Oncology board eligible in 2015, Internal Medicine board certified in 2012
  • Memberships: American Society of Clinical Oncology, American Society of Hematology
  • Specializations: Lymphoma and CLL
  • Research Interests: Lymphoma and CLL
  • Languages Spoken: English

Jamie Koprivnikar, MD

Dr. Jamie Koprvinikar specializes in hematology and medical oncology and is board certified in both. She also holds a board certification in internal medicine.

Dr. Koprivnikar received her medical degree from the Sidney Kimmel Medical College, formerly Jefferson Medical College of Thomas Jefferson University, in Philadelphia, PA. She completed her internal medicine residency at MedStar Georgetown University Medical Center in Washington, DC. She then completed a fellowship in hematology and oncology, also at MedStar Georgetown University Medical Center. She was chosen to serve as chief fellow during her third and final year of fellowship.

Dr. Koprivnikar spent the early part of her career on faculty at MedStar Georgetown University Medical Center where she was active in teaching medical students, residents, and fellows. She also served as the medical co-director of the Patient Blood Management Program and was active on the institutional review board and as an investigator on many clinical trials. She is a member of the American Society of Hematology.

  • Medical Education: Sidney Kimmel Medical College, Philadelphia, PA
  • Residency: MedStar Georgetown University Medical Center, Washington, DC
  • Fellowship: MedStar Georgetown University Medical Center, Washington, DC
  • Board Certifications: Hematology, oncology, internal medicine
  • Specializations: Hematology, medical oncology
  • Research Interests: Leukemia, myelodysplastic syndrome, myeloproliferative neoplasms, aplastic anemia
  • Memberships: American Society of Hematology
  • Languages Spoken: English

Mira Hellmann, MD

Dr. Mira Hellmann specializes in Gynecologic Oncology. She treats all subtypes of gynecologic cancers including uterus, cervix, fallopian tube, ovaries, primary peritoneal, vaginal and vulvar cancer. The scope of her surgical expertise includes both traditional open surgery, as well as minimally invasive surgery. She has extensive expertise in complex laparoscopic surgery as well as robotic surgery.

Her research focus is in clinical research, including cooperative group studies, both industry-sponsored and investigator-initiated. She enjoys having the opportunity to offer patients the possibility of participating in the most cutting edge research, if they are inclined to do so.

Dr. Hellmann received her MD at SUNY Downstate in Brooklyn, and is a lifelong member of AOA. She completed her residency on Long Island Jewish Medical Center, and returned to SUNY Downstate for her fellowship training. She maintained a faculty position in central New Jersey for eight years where she developed a robust practice in a short period of time. She was active in resident and student education. She also helped spearhead a minimally invasive center that was a comprehensive resource for minimally invasive surgeons across multiple cancer specialties. She is looking forward to establishing her practice at the John Theurer Cancer Center, and to providing the highest quality of care to her patients.

Dr. Hellmann is board certified in both Obstetrics and Gynecology as well as Gynecologic Oncology.

  • Medical Education: SUNY Health Science Center at Brooklyn
  • Internship/Residency: Long Island Jewish Medical Center
  • Fellowship: SUNY Health Science Center at Brooklyn
  • Specialization: Gynecologic Oncology
  • Board Certification: Obstetrics and Gynecology, Gynecologic Oncology
  • Research Interests: Surgical innovation, clinical trials in gynecologic oncology
  • Membership: American Board of Obstetrics and Gynecology, Society of Gynecologic Oncology, Alpha Omega Alpha
  • Languages: English, Hebrew

Alan Skarbnik, MD

Alan Pierre Zausner Skarbnik, M.D. serves as a staff physician in both the Department of Bone Marrow Transplantation and the Department of Lymphoma at John Theurer Cancer Center.

Prior to joining John Theurer Cancer Center at Hackensack University Medical Center, Dr. Skarbnik was a clinical instructor in the Department of Hematology and Hematopoietic Cell Transplantation at the City of Hope National Medical Center in Duarte, California. Dr. Skarbnik also previously served as Chief Fellow of Medical Oncology and Hematology at Fox Chase Cancer Center and Temple University Hospital, and practiced at Columbia University College of Physicians and Surgeons/St. Luke’s-Roosevelt Medical Center in their internal medicine internship and residency after moving his medical career to the United States from his native Brazil.

Dr. Skarbnik has a rich research background, having served as a primary investigator at Fox Chase Cancer Center to identify biomarkers of sensitivity to mTOR inhibitors in renal cell cancer tumor samples, co-primary investigator in a Phase II study of Rituximab Intense Dosing with CHOP-21 in a 2011 ASCO/AACR workshop, and investigated the role of JAK mutations in the development of acute lymphoblastic leukemia at Memorial Sloan Kettering’s Human Oncopathogenesis Program. Dr. Skarbnik has also been extensively published and has participated in a number of presentations and poster sessions at major medical meetings.

Dr. Skarbnik specializes in hematology/oncology, and has extensive experience in a range of medical volunteer work conducted across the globe.

  • Medical Education: Universidade de Sao Paulo, Brazil
  • Residency: Columbia University College of Physicians and Surgeons/St. Luke’s-Roosevelt Medical Center, Internal Medicine Internship and Residency, 2007-2010. Hospital das Clinicas, University of Sao Paulo, Brazil, Internal Medicine Residency, 2005-2007.
  • Fellowships: City of Hope National Medical Center, Adult Hematopoietic Stem Cell Transplantation, 2013-2014. Fox Chase Cancer Center Chief Fellow 2012-2013. Fox Chase Cancer Center and Temple University Hospital, Medical Oncology and Hematology, 2010-2013.
  • Internship: Hospital das Clinicas, University of Sao Paulo, Brazil, 2002-2003.
  • Board Certifications: 2013 board-certified, American Board of Internal Medicine, Medical Oncology. 2013 board-certified, American Board of Internal Medicine, Hematology. 2010 board-certified, American Board of Internal Medicine, Internal Medicine. ACLS certification updated in 2013.
  • Honors/Awards: ASCO 2013 Merit Award. LeDor VaDor Award, presented by the President of Brazil of voluntary work. ASCO/AACR Vail Cancer Workshop selection – 2011.
  • Languages: English, Portuguese, Spanish
  • Hobbies/Interests: Multi-instrumentalist, has played in a Brazilian band

James K. McCloskey II, MD

James K. McCloskey II, M.D., works in the Division of Leukemia and the Adult Blood and Marrow Stem Cell Transplantation Program at John Theurer Cancer Center. Prior to his current position, Dr. McCloskey was a fellow in the Department of Hematology and Oncology at Georgetown University Hospital.

Dr. McCloskey has extensive research experience, serving as primary investigator in a Phase I/II non-randomized study of birinapant in combination with decitabine in patients with relapsed or refractory myelodysplastic syndrome and acute myelogenous leukemia, and was a primary investigator of cellular and molecular characterization of the immune response and minimal residual disease in patients who have completed treatment for acute myeloid leukemia. Dr. McCloskey has additionally presented a range of clinical work at major medical conferences, including MedStar Washington Hospital center multi-institutional lymphoma teleconference, Georgetown University Research Day and the Society of Comparative and Integrative Biology. Dr. McCloskey’s research has been published in the Journal of Coagulation Disorders, Advances in Clinical Oncology and Breast Cancer Research and Treatment.

Dr. McCloskey has deep roots in the philanthropic community; worked with the Lymphoma Research Foundation since 2011; and has volunteered with Food and Friends, a nonprofit that prepares and delivers meals and groceries to D.C. residents living with HIV/AIDS, cancer and other conditions since 2004.

  • Medical Education: Georgetown University School of Medicine
  • Residency: Georgetown University Hospital, Internal Medicine Resident, July 2009-2011
  • Fellowships: Chief Fellow, Department of Hematology and Oncology, Georgetown University Hospital, 2013-2014. Fellow, Department of Hematology and Oncology, Georgetown University Hospital, 2009-2013.
  • Internship: Georgetown University Hospital, Internal Medicine Intern, 2009-2011.
  • Board Certifications: 2014 board-eligible, Hematology and Oncology. 2011 board-certified, American Board of Internal Medicine.
  • Honors/Awards: Hematology Fellows Consortium Workshop, 2013. AACR/ASCO Methods of Cancer Research Workshop, 2013. Dr. Allen J. Goody Memorial Award for excellence in teaching, peer mentorship and personal integrity, Georgetown University Hospital, 2011.
  • Memberships: American Society of Clinical Oncology, American Association of Cancer Research, Housestaff Quality Council, Chemotherapy Utilization Committee, American Society of Hematology.

Samuel Singer, MD

Samuel Singer, M.D. is a neuro-oncologist at the Neurological Oncology Division – The Brain and Spine Institute at John Theurer Cancer Center. In addition to treating patients with primary brain tumors and brain metastases, he is also actively involved in research into novel therapies for these illnesses. Cancers and their treatments are frequently associated with an array of neurologic problems, including stroke, epilepsy, neuropathy and neurologic autoimmune disease, and Dr. Singer specializes in diagnosing and treating these conditions.

Prior to joining the John Theurer Cancer Center, Dr. Singer completed a fellowship in neuro-oncology at Memorial Sloan-Kettering Cancer Center and his residency in neurology at New York-Presbyterian Hospital/Weill Cornell Medical Center.

Dr. Singer is a member of the American Academy of Neurology, the American Society of Clinical Oncology and the Society for Neuro-Oncology. He is widely published in peer-reviewed journals, including Neurosurgery, Neurology, Stroke and The Oncologist.

  • Medical Education: Albert Einstein College of Medicine, Bronx, NY
  • Residency: New York-Presbyterian Hospital/Weill Cornell Medical Center, New York, NY
  • Fellowships: Memorial Sloan-Kettering Cancer Center, New York, NY
  • Board Certifications: Diplomate, American Board of Psychiatry and Neurology
  • Specializations: Neurology
  • Memberships:
    • Alpha Omega Alpha Medical Honor Society 2007
    • American Academy of Neurology, since 2009
    • American Society Clinical Oncology, since 2012
    • Society for Neuro-Oncology, since 2012
  • Languages Spoken: English, Hebrew

Noa Biran, MD

Noa Biran, MD, joined the Myeloma Division at John Theurer Cancer Center in September 2014.

Dr. Biran previously served as Chief Fellow of Hematology and Medical Oncology at Icahn School of Medicine at Mount Sinai, New York, where she also practiced in their internal medicine internship and residency. She received her medical degree from The George Washington University in Washington, D.C. As a fellow at Icahn School of Medicine, Dr. Biran participated in numerous lecture series and training sessions for medical students, residents, and nurse practitioners.

Dr. Biran is actively involved with clinical research focusing on multiple myeloma. She has presented a range of clinical work at international and national conferences such as the American Society of Hematology and the Society of Hematologic Oncology. She is widely published in hematology and oncology journals such as American Journal of Hematology, Current Hematologic Malignancy Reports, and The Hemophilia Report, with a research focus on high-risk multiple myeloma and the role of minimal residual disease in multiple myeloma. She has also co-authored a chapter in Essentials of Hospital Medicine: A Practical Guide for Clinicians, entitled “Oncologic Emergencies.” She is an active and valued member of the European Society for Medical Oncology, American Society of Clinical Oncology and American Society of Hematology.

Robert S. Alter, MD

Dr. Robert Alter specializes in medical oncology and hematology, and is board certified in internal medicine, medical oncology and hematology. For more than 15 years, Dr. Alter has been treating patients in the New Jersey community. Dr. Alter is actively involved in genitourinary and head and neck cancer research.

Dr. Alter received his medical degree from the University of Health Sciences/The Chicago Medical School. He completed his residency at St. Luke’s/Roosevelt Hospital Center, New York, New York in internal medicine and received his fellowship training at New York University Medical Center in hematology/oncology.

Dr. Alter holds an appointment at Hackensack University Medical Center. He is also the Chairman of the Transfusion Committee at St. Clare’s Hospital, and a member of the American Cancer Society.

Tracy Proverbs-Singh, MD MPH

Dr. Tracy Proverbs-Singh specializes in medical oncology and is board certified. She received her medical degree from University of Pittsburgh and completed her internal medicine residency at Mount Sinai Hospital.

Medical Education: University of Pittsburgh
Residency Internship: Mount Sinai Hospital
Certification: Internal Medicine
Languages: English

Lori Ann Leslie, MD

Dr. Lori Ann Leslie specializes in hematology and medical oncology. Her specific clinical and research interests include non-Hodgkin lymphoma, Hodgkin lymphoma, and chronic lymphocytic leukemia.

Dr. Leslie received her MD from Columbia University College of Physicians and Surgeons, and stayed at Columbia University for internal medicine residency. She completed fellowship training at The University of Texas M.D. Anderson Cancer Center, where she served as Chief Fellow. Born and raised in Morristown, NJ, Dr. Leslie is ecstatic about the opportunity to return to her home state and join the John Theurer Cancer Center.

  • Medical Education: Columbia University, College of Physicians and Surgeons.
  • Internal Medicine Internship and Residency: New York Presbyterian Hospital, Columbia University.
  • Hematology/Oncology Fellowship: The University of Texas, MD Anderson Cancer Center.
  • Board Certifications/Eligibility: Hematology and Medical Oncology board eligible in 2015, Internal Medicine board certified in 2012
  • Memberships: American Society of Clinical Oncology, American Society of Hematology
  • Specializations: Lymphoma and CLL
  • Research Interests: Lymphoma and CLL
  • Languages Spoken: English

Jamie Koprivnikar, MD

Dr. Jamie Koprvinikar specializes in hematology and medical oncology and is board certified in both. She also holds a board certification in internal medicine.

Dr. Koprivnikar received her medical degree from the Sidney Kimmel Medical College, formerly Jefferson Medical College of Thomas Jefferson University, in Philadelphia, PA. She completed her internal medicine residency at MedStar Georgetown University Medical Center in Washington, DC. She then completed a fellowship in hematology and oncology, also at MedStar Georgetown University Medical Center. She was chosen to serve as chief fellow during her third and final year of fellowship.

Dr. Koprivnikar spent the early part of her career on faculty at MedStar Georgetown University Medical Center where she was active in teaching medical students, residents, and fellows. She also served as the medical co-director of the Patient Blood Management Program and was active on the institutional review board and as an investigator on many clinical trials. She is a member of the American Society of Hematology.

  • Medical Education: Sidney Kimmel Medical College, Philadelphia, PA
  • Residency: MedStar Georgetown University Medical Center, Washington, DC
  • Fellowship: MedStar Georgetown University Medical Center, Washington, DC
  • Board Certifications: Hematology, oncology, internal medicine
  • Specializations: Hematology, medical oncology
  • Research Interests: Leukemia, myelodysplastic syndrome, myeloproliferative neoplasms, aplastic anemia
  • Memberships: American Society of Hematology
  • Languages Spoken: English

Mira Hellmann, MD

Dr. Mira Hellmann specializes in Gynecologic Oncology. She treats all subtypes of gynecologic cancers including uterus, cervix, fallopian tube, ovaries, primary peritoneal, vaginal and vulvar cancer. The scope of her surgical expertise includes both traditional open surgery, as well as minimally invasive surgery. She has extensive expertise in complex laparoscopic surgery as well as robotic surgery.

Her research focus is in clinical research, including cooperative group studies, both industry-sponsored and investigator-initiated. She enjoys having the opportunity to offer patients the possibility of participating in the most cutting edge research, if they are inclined to do so.

Dr. Hellmann received her MD at SUNY Downstate in Brooklyn, and is a lifelong member of AOA. She completed her residency on Long Island Jewish Medical Center, and returned to SUNY Downstate for her fellowship training. She maintained a faculty position in central New Jersey for eight years where she developed a robust practice in a short period of time. She was active in resident and student education. She also helped spearhead a minimally invasive center that was a comprehensive resource for minimally invasive surgeons across multiple cancer specialties. She is looking forward to establishing her practice at the John Theurer Cancer Center, and to providing the highest quality of care to her patients.

Dr. Hellmann is board certified in both Obstetrics and Gynecology as well as Gynecologic Oncology.

  • Medical Education: SUNY Health Science Center at Brooklyn
  • Internship/Residency: Long Island Jewish Medical Center
  • Fellowship: SUNY Health Science Center at Brooklyn
  • Specialization: Gynecologic Oncology
  • Board Certification: Obstetrics and Gynecology, Gynecologic Oncology
  • Research Interests: Surgical innovation, clinical trials in gynecologic oncology
  • Membership: American Board of Obstetrics and Gynecology, Society of Gynecologic Oncology, Alpha Omega Alpha
  • Languages: English, Hebrew

Alan Skarbnik, MD

Alan Pierre Zausner Skarbnik, M.D. serves as a staff physician in both the Department of Bone Marrow Transplantation and the Department of Lymphoma at John Theurer Cancer Center.

Prior to joining John Theurer Cancer Center at Hackensack University Medical Center, Dr. Skarbnik was a clinical instructor in the Department of Hematology and Hematopoietic Cell Transplantation at the City of Hope National Medical Center in Duarte, California. Dr. Skarbnik also previously served as Chief Fellow of Medical Oncology and Hematology at Fox Chase Cancer Center and Temple University Hospital, and practiced at Columbia University College of Physicians and Surgeons/St. Luke’s-Roosevelt Medical Center in their internal medicine internship and residency after moving his medical career to the United States from his native Brazil.

Dr. Skarbnik has a rich research background, having served as a primary investigator at Fox Chase Cancer Center to identify biomarkers of sensitivity to mTOR inhibitors in renal cell cancer tumor samples, co-primary investigator in a Phase II study of Rituximab Intense Dosing with CHOP-21 in a 2011 ASCO/AACR workshop, and investigated the role of JAK mutations in the development of acute lymphoblastic leukemia at Memorial Sloan Kettering’s Human Oncopathogenesis Program. Dr. Skarbnik has also been extensively published and has participated in a number of presentations and poster sessions at major medical meetings.

Dr. Skarbnik specializes in hematology/oncology, and has extensive experience in a range of medical volunteer work conducted across the globe.

  • Medical Education: Universidade de Sao Paulo, Brazil
  • Residency: Columbia University College of Physicians and Surgeons/St. Luke’s-Roosevelt Medical Center, Internal Medicine Internship and Residency, 2007-2010. Hospital das Clinicas, University of Sao Paulo, Brazil, Internal Medicine Residency, 2005-2007.
  • Fellowships: City of Hope National Medical Center, Adult Hematopoietic Stem Cell Transplantation, 2013-2014. Fox Chase Cancer Center Chief Fellow 2012-2013. Fox Chase Cancer Center and Temple University Hospital, Medical Oncology and Hematology, 2010-2013.
  • Internship: Hospital das Clinicas, University of Sao Paulo, Brazil, 2002-2003.
  • Board Certifications: 2013 board-certified, American Board of Internal Medicine, Medical Oncology. 2013 board-certified, American Board of Internal Medicine, Hematology. 2010 board-certified, American Board of Internal Medicine, Internal Medicine. ACLS certification updated in 2013.
  • Honors/Awards: ASCO 2013 Merit Award. LeDor VaDor Award, presented by the President of Brazil of voluntary work. ASCO/AACR Vail Cancer Workshop selection – 2011.
  • Languages: English, Portuguese, Spanish
  • Hobbies/Interests: Multi-instrumentalist, has played in a Brazilian band

James K. McCloskey II, MD

James K. McCloskey II, M.D., works in the Division of Leukemia and the Adult Blood and Marrow Stem Cell Transplantation Program at John Theurer Cancer Center. Prior to his current position, Dr. McCloskey was a fellow in the Department of Hematology and Oncology at Georgetown University Hospital.

Dr. McCloskey has extensive research experience, serving as primary investigator in a Phase I/II non-randomized study of birinapant in combination with decitabine in patients with relapsed or refractory myelodysplastic syndrome and acute myelogenous leukemia, and was a primary investigator of cellular and molecular characterization of the immune response and minimal residual disease in patients who have completed treatment for acute myeloid leukemia. Dr. McCloskey has additionally presented a range of clinical work at major medical conferences, including MedStar Washington Hospital center multi-institutional lymphoma teleconference, Georgetown University Research Day and the Society of Comparative and Integrative Biology. Dr. McCloskey’s research has been published in the Journal of Coagulation Disorders, Advances in Clinical Oncology and Breast Cancer Research and Treatment.

Dr. McCloskey has deep roots in the philanthropic community; worked with the Lymphoma Research Foundation since 2011; and has volunteered with Food and Friends, a nonprofit that prepares and delivers meals and groceries to D.C. residents living with HIV/AIDS, cancer and other conditions since 2004.

  • Medical Education: Georgetown University School of Medicine
  • Residency: Georgetown University Hospital, Internal Medicine Resident, July 2009-2011
  • Fellowships: Chief Fellow, Department of Hematology and Oncology, Georgetown University Hospital, 2013-2014. Fellow, Department of Hematology and Oncology, Georgetown University Hospital, 2009-2013.
  • Internship: Georgetown University Hospital, Internal Medicine Intern, 2009-2011.
  • Board Certifications: 2014 board-eligible, Hematology and Oncology. 2011 board-certified, American Board of Internal Medicine.
  • Honors/Awards: Hematology Fellows Consortium Workshop, 2013. AACR/ASCO Methods of Cancer Research Workshop, 2013. Dr. Allen J. Goody Memorial Award for excellence in teaching, peer mentorship and personal integrity, Georgetown University Hospital, 2011.
  • Memberships: American Society of Clinical Oncology, American Association of Cancer Research, Housestaff Quality Council, Chemotherapy Utilization Committee, American Society of Hematology.

Samuel Singer, MD

Samuel Singer, M.D. is a neuro-oncologist at the Neurological Oncology Division – The Brain and Spine Institute at John Theurer Cancer Center. In addition to treating patients with primary brain tumors and brain metastases, he is also actively involved in research into novel therapies for these illnesses. Cancers and their treatments are frequently associated with an array of neurologic problems, including stroke, epilepsy, neuropathy and neurologic autoimmune disease, and Dr. Singer specializes in diagnosing and treating these conditions.

Prior to joining the John Theurer Cancer Center, Dr. Singer completed a fellowship in neuro-oncology at Memorial Sloan-Kettering Cancer Center and his residency in neurology at New York-Presbyterian Hospital/Weill Cornell Medical Center.

Dr. Singer is a member of the American Academy of Neurology, the American Society of Clinical Oncology and the Society for Neuro-Oncology. He is widely published in peer-reviewed journals, including Neurosurgery, Neurology, Stroke and The Oncologist.

  • Medical Education: Albert Einstein College of Medicine, Bronx, NY
  • Residency: New York-Presbyterian Hospital/Weill Cornell Medical Center, New York, NY
  • Fellowships: Memorial Sloan-Kettering Cancer Center, New York, NY
  • Board Certifications: Diplomate, American Board of Psychiatry and Neurology
  • Specializations: Neurology
  • Memberships:
    • Alpha Omega Alpha Medical Honor Society 2007
    • American Academy of Neurology, since 2009
    • American Society Clinical Oncology, since 2012
    • Society for Neuro-Oncology, since 2012
  • Languages Spoken: English, Hebrew

Noa Biran, MD

Noa Biran, MD, joined the Myeloma Division at John Theurer Cancer Center in September 2014.

Dr. Biran previously served as Chief Fellow of Hematology and Medical Oncology at Icahn School of Medicine at Mount Sinai, New York, where she also practiced in their internal medicine internship and residency. She received her medical degree from The George Washington University in Washington, D.C. As a fellow at Icahn School of Medicine, Dr. Biran participated in numerous lecture series and training sessions for medical students, residents, and nurse practitioners.

Dr. Biran is actively involved with clinical research focusing on multiple myeloma. She has presented a range of clinical work at international and national conferences such as the American Society of Hematology and the Society of Hematologic Oncology. She is widely published in hematology and oncology journals such as American Journal of Hematology, Current Hematologic Malignancy Reports, and The Hemophilia Report, with a research focus on high-risk multiple myeloma and the role of minimal residual disease in multiple myeloma. She has also co-authored a chapter in Essentials of Hospital Medicine: A Practical Guide for Clinicians, entitled “Oncologic Emergencies.” She is an active and valued member of the European Society for Medical Oncology, American Society of Clinical Oncology and American Society of Hematology.

Robert S. Alter, MD

Dr. Robert Alter specializes in medical oncology and hematology, and is board certified in internal medicine, medical oncology and hematology. For more than 15 years, Dr. Alter has been treating patients in the New Jersey community. Dr. Alter is actively involved in genitourinary and head and neck cancer research.

Dr. Alter received his medical degree from the University of Health Sciences/The Chicago Medical School. He completed his residency at St. Luke’s/Roosevelt Hospital Center, New York, New York in internal medicine and received his fellowship training at New York University Medical Center in hematology/oncology.

Dr. Alter holds an appointment at Hackensack University Medical Center. He is also the Chairman of the Transfusion Committee at St. Clare’s Hospital, and a member of the American Cancer Society.

Tracy Proverbs-Singh, MD MPH

Dr. Tracy Proverbs-Singh specializes in medical oncology and is board certified. She received her medical degree from University of Pittsburgh and completed her internal medicine residency at Mount Sinai Hospital.

Medical Education: University of Pittsburgh
Residency Internship: Mount Sinai Hospital
Certification: Internal Medicine
Languages: English

Lori Ann Leslie, MD

Dr. Lori Ann Leslie specializes in hematology and medical oncology. Her specific clinical and research interests include non-Hodgkin lymphoma, Hodgkin lymphoma, and chronic lymphocytic leukemia.

Dr. Leslie received her MD from Columbia University College of Physicians and Surgeons, and stayed at Columbia University for internal medicine residency. She completed fellowship training at The University of Texas M.D. Anderson Cancer Center, where she served as Chief Fellow. Born and raised in Morristown, NJ, Dr. Leslie is ecstatic about the opportunity to return to her home state and join the John Theurer Cancer Center.

  • Medical Education: Columbia University, College of Physicians and Surgeons.
  • Internal Medicine Internship and Residency: New York Presbyterian Hospital, Columbia University.
  • Hematology/Oncology Fellowship: The University of Texas, MD Anderson Cancer Center.
  • Board Certifications/Eligibility: Hematology and Medical Oncology board eligible in 2015, Internal Medicine board certified in 2012
  • Memberships: American Society of Clinical Oncology, American Society of Hematology
  • Specializations: Lymphoma and CLL
  • Research Interests: Lymphoma and CLL
  • Languages Spoken: English

Jamie Koprivnikar, MD

Dr. Jamie Koprvinikar specializes in hematology and medical oncology and is board certified in both. She also holds a board certification in internal medicine.

Dr. Koprivnikar received her medical degree from the Sidney Kimmel Medical College, formerly Jefferson Medical College of Thomas Jefferson University, in Philadelphia, PA. She completed her internal medicine residency at MedStar Georgetown University Medical Center in Washington, DC. She then completed a fellowship in hematology and oncology, also at MedStar Georgetown University Medical Center. She was chosen to serve as chief fellow during her third and final year of fellowship.

Dr. Koprivnikar spent the early part of her career on faculty at MedStar Georgetown University Medical Center where she was active in teaching medical students, residents, and fellows. She also served as the medical co-director of the Patient Blood Management Program and was active on the institutional review board and as an investigator on many clinical trials. She is a member of the American Society of Hematology.

  • Medical Education: Sidney Kimmel Medical College, Philadelphia, PA
  • Residency: MedStar Georgetown University Medical Center, Washington, DC
  • Fellowship: MedStar Georgetown University Medical Center, Washington, DC
  • Board Certifications: Hematology, oncology, internal medicine
  • Specializations: Hematology, medical oncology
  • Research Interests: Leukemia, myelodysplastic syndrome, myeloproliferative neoplasms, aplastic anemia
  • Memberships: American Society of Hematology
  • Languages Spoken: English

Mira Hellmann, MD

Dr. Mira Hellmann specializes in Gynecologic Oncology. She treats all subtypes of gynecologic cancers including uterus, cervix, fallopian tube, ovaries, primary peritoneal, vaginal and vulvar cancer. The scope of her surgical expertise includes both traditional open surgery, as well as minimally invasive surgery. She has extensive expertise in complex laparoscopic surgery as well as robotic surgery.

Her research focus is in clinical research, including cooperative group studies, both industry-sponsored and investigator-initiated. She enjoys having the opportunity to offer patients the possibility of participating in the most cutting edge research, if they are inclined to do so.

Dr. Hellmann received her MD at SUNY Downstate in Brooklyn, and is a lifelong member of AOA. She completed her residency on Long Island Jewish Medical Center, and returned to SUNY Downstate for her fellowship training. She maintained a faculty position in central New Jersey for eight years where she developed a robust practice in a short period of time. She was active in resident and student education. She also helped spearhead a minimally invasive center that was a comprehensive resource for minimally invasive surgeons across multiple cancer specialties. She is looking forward to establishing her practice at the John Theurer Cancer Center, and to providing the highest quality of care to her patients.

Dr. Hellmann is board certified in both Obstetrics and Gynecology as well as Gynecologic Oncology.

  • Medical Education: SUNY Health Science Center at Brooklyn
  • Internship/Residency: Long Island Jewish Medical Center
  • Fellowship: SUNY Health Science Center at Brooklyn
  • Specialization: Gynecologic Oncology
  • Board Certification: Obstetrics and Gynecology, Gynecologic Oncology
  • Research Interests: Surgical innovation, clinical trials in gynecologic oncology
  • Membership: American Board of Obstetrics and Gynecology, Society of Gynecologic Oncology, Alpha Omega Alpha
  • Languages: English, Hebrew

Alan Skarbnik, MD

Alan Pierre Zausner Skarbnik, M.D. serves as a staff physician in both the Department of Bone Marrow Transplantation and the Department of Lymphoma at John Theurer Cancer Center.

Prior to joining John Theurer Cancer Center at Hackensack University Medical Center, Dr. Skarbnik was a clinical instructor in the Department of Hematology and Hematopoietic Cell Transplantation at the City of Hope National Medical Center in Duarte, California. Dr. Skarbnik also previously served as Chief Fellow of Medical Oncology and Hematology at Fox Chase Cancer Center and Temple University Hospital, and practiced at Columbia University College of Physicians and Surgeons/St. Luke’s-Roosevelt Medical Center in their internal medicine internship and residency after moving his medical career to the United States from his native Brazil.

Dr. Skarbnik has a rich research background, having served as a primary investigator at Fox Chase Cancer Center to identify biomarkers of sensitivity to mTOR inhibitors in renal cell cancer tumor samples, co-primary investigator in a Phase II study of Rituximab Intense Dosing with CHOP-21 in a 2011 ASCO/AACR workshop, and investigated the role of JAK mutations in the development of acute lymphoblastic leukemia at Memorial Sloan Kettering’s Human Oncopathogenesis Program. Dr. Skarbnik has also been extensively published and has participated in a number of presentations and poster sessions at major medical meetings.

Dr. Skarbnik specializes in hematology/oncology, and has extensive experience in a range of medical volunteer work conducted across the globe.

  • Medical Education: Universidade de Sao Paulo, Brazil
  • Residency: Columbia University College of Physicians and Surgeons/St. Luke’s-Roosevelt Medical Center, Internal Medicine Internship and Residency, 2007-2010. Hospital das Clinicas, University of Sao Paulo, Brazil, Internal Medicine Residency, 2005-2007.
  • Fellowships: City of Hope National Medical Center, Adult Hematopoietic Stem Cell Transplantation, 2013-2014. Fox Chase Cancer Center Chief Fellow 2012-2013. Fox Chase Cancer Center and Temple University Hospital, Medical Oncology and Hematology, 2010-2013.
  • Internship: Hospital das Clinicas, University of Sao Paulo, Brazil, 2002-2003.
  • Board Certifications: 2013 board-certified, American Board of Internal Medicine, Medical Oncology. 2013 board-certified, American Board of Internal Medicine, Hematology. 2010 board-certified, American Board of Internal Medicine, Internal Medicine. ACLS certification updated in 2013.
  • Honors/Awards: ASCO 2013 Merit Award. LeDor VaDor Award, presented by the President of Brazil of voluntary work. ASCO/AACR Vail Cancer Workshop selection – 2011.
  • Languages: English, Portuguese, Spanish
  • Hobbies/Interests: Multi-instrumentalist, has played in a Brazilian band

James K. McCloskey II, MD

James K. McCloskey II, M.D., works in the Division of Leukemia and the Adult Blood and Marrow Stem Cell Transplantation Program at John Theurer Cancer Center. Prior to his current position, Dr. McCloskey was a fellow in the Department of Hematology and Oncology at Georgetown University Hospital.

Dr. McCloskey has extensive research experience, serving as primary investigator in a Phase I/II non-randomized study of birinapant in combination with decitabine in patients with relapsed or refractory myelodysplastic syndrome and acute myelogenous leukemia, and was a primary investigator of cellular and molecular characterization of the immune response and minimal residual disease in patients who have completed treatment for acute myeloid leukemia. Dr. McCloskey has additionally presented a range of clinical work at major medical conferences, including MedStar Washington Hospital center multi-institutional lymphoma teleconference, Georgetown University Research Day and the Society of Comparative and Integrative Biology. Dr. McCloskey’s research has been published in the Journal of Coagulation Disorders, Advances in Clinical Oncology and Breast Cancer Research and Treatment.

Dr. McCloskey has deep roots in the philanthropic community; worked with the Lymphoma Research Foundation since 2011; and has volunteered with Food and Friends, a nonprofit that prepares and delivers meals and groceries to D.C. residents living with HIV/AIDS, cancer and other conditions since 2004.

  • Medical Education: Georgetown University School of Medicine
  • Residency: Georgetown University Hospital, Internal Medicine Resident, July 2009-2011
  • Fellowships: Chief Fellow, Department of Hematology and Oncology, Georgetown University Hospital, 2013-2014. Fellow, Department of Hematology and Oncology, Georgetown University Hospital, 2009-2013.
  • Internship: Georgetown University Hospital, Internal Medicine Intern, 2009-2011.
  • Board Certifications: 2014 board-eligible, Hematology and Oncology. 2011 board-certified, American Board of Internal Medicine.
  • Honors/Awards: Hematology Fellows Consortium Workshop, 2013. AACR/ASCO Methods of Cancer Research Workshop, 2013. Dr. Allen J. Goody Memorial Award for excellence in teaching, peer mentorship and personal integrity, Georgetown University Hospital, 2011.
  • Memberships: American Society of Clinical Oncology, American Association of Cancer Research, Housestaff Quality Council, Chemotherapy Utilization Committee, American Society of Hematology.

Samuel Singer, MD

Samuel Singer, M.D. is a neuro-oncologist at the Neurological Oncology Division – The Brain and Spine Institute at John Theurer Cancer Center. In addition to treating patients with primary brain tumors and brain metastases, he is also actively involved in research into novel therapies for these illnesses. Cancers and their treatments are frequently associated with an array of neurologic problems, including stroke, epilepsy, neuropathy and neurologic autoimmune disease, and Dr. Singer specializes in diagnosing and treating these conditions.

Prior to joining the John Theurer Cancer Center, Dr. Singer completed a fellowship in neuro-oncology at Memorial Sloan-Kettering Cancer Center and his residency in neurology at New York-Presbyterian Hospital/Weill Cornell Medical Center.

Dr. Singer is a member of the American Academy of Neurology, the American Society of Clinical Oncology and the Society for Neuro-Oncology. He is widely published in peer-reviewed journals, including Neurosurgery, Neurology, Stroke and The Oncologist.

  • Medical Education: Albert Einstein College of Medicine, Bronx, NY
  • Residency: New York-Presbyterian Hospital/Weill Cornell Medical Center, New York, NY
  • Fellowships: Memorial Sloan-Kettering Cancer Center, New York, NY
  • Board Certifications: Diplomate, American Board of Psychiatry and Neurology
  • Specializations: Neurology
  • Memberships:
    • Alpha Omega Alpha Medical Honor Society 2007
    • American Academy of Neurology, since 2009
    • American Society Clinical Oncology, since 2012
    • Society for Neuro-Oncology, since 2012
  • Languages Spoken: English, Hebrew

Noa Biran, MD

Noa Biran, MD, joined the Myeloma Division at John Theurer Cancer Center in September 2014.

Dr. Biran previously served as Chief Fellow of Hematology and Medical Oncology at Icahn School of Medicine at Mount Sinai, New York, where she also practiced in their internal medicine internship and residency. She received her medical degree from The George Washington University in Washington, D.C. As a fellow at Icahn School of Medicine, Dr. Biran participated in numerous lecture series and training sessions for medical students, residents, and nurse practitioners.

Dr. Biran is actively involved with clinical research focusing on multiple myeloma. She has presented a range of clinical work at international and national conferences such as the American Society of Hematology and the Society of Hematologic Oncology. She is widely published in hematology and oncology journals such as American Journal of Hematology, Current Hematologic Malignancy Reports, and The Hemophilia Report, with a research focus on high-risk multiple myeloma and the role of minimal residual disease in multiple myeloma. She has also co-authored a chapter in Essentials of Hospital Medicine: A Practical Guide for Clinicians, entitled “Oncologic Emergencies.” She is an active and valued member of the European Society for Medical Oncology, American Society of Clinical Oncology and American Society of Hematology.

Robert S. Alter, MD

Dr. Robert Alter specializes in medical oncology and hematology, and is board certified in internal medicine, medical oncology and hematology. For more than 15 years, Dr. Alter has been treating patients in the New Jersey community. Dr. Alter is actively involved in genitourinary and head and neck cancer research.

Dr. Alter received his medical degree from the University of Health Sciences/The Chicago Medical School. He completed his residency at St. Luke’s/Roosevelt Hospital Center, New York, New York in internal medicine and received his fellowship training at New York University Medical Center in hematology/oncology.

Dr. Alter holds an appointment at Hackensack University Medical Center. He is also the Chairman of the Transfusion Committee at St. Clare’s Hospital, and a member of the American Cancer Society.

Tracy Proverbs-Singh, MD MPH

Dr. Tracy Proverbs-Singh specializes in medical oncology and is board certified. She received her medical degree from University of Pittsburgh and completed her internal medicine residency at Mount Sinai Hospital.

Medical Education: University of Pittsburgh
Residency Internship: Mount Sinai Hospital
Certification: Internal Medicine
Languages: English

Lori Ann Leslie, MD

Dr. Lori Ann Leslie specializes in hematology and medical oncology. Her specific clinical and research interests include non-Hodgkin lymphoma, Hodgkin lymphoma, and chronic lymphocytic leukemia.

Dr. Leslie received her MD from Columbia University College of Physicians and Surgeons, and stayed at Columbia University for internal medicine residency. She completed fellowship training at The University of Texas M.D. Anderson Cancer Center, where she served as Chief Fellow. Born and raised in Morristown, NJ, Dr. Leslie is ecstatic about the opportunity to return to her home state and join the John Theurer Cancer Center.

  • Medical Education: Columbia University, College of Physicians and Surgeons.
  • Internal Medicine Internship and Residency: New York Presbyterian Hospital, Columbia University.
  • Hematology/Oncology Fellowship: The University of Texas, MD Anderson Cancer Center.
  • Board Certifications/Eligibility: Hematology and Medical Oncology board eligible in 2015, Internal Medicine board certified in 2012
  • Memberships: American Society of Clinical Oncology, American Society of Hematology
  • Specializations: Lymphoma and CLL
  • Research Interests: Lymphoma and CLL
  • Languages Spoken: English

Jamie Koprivnikar, MD

Dr. Jamie Koprvinikar specializes in hematology and medical oncology and is board certified in both. She also holds a board certification in internal medicine.

Dr. Koprivnikar received her medical degree from the Sidney Kimmel Medical College, formerly Jefferson Medical College of Thomas Jefferson University, in Philadelphia, PA. She completed her internal medicine residency at MedStar Georgetown University Medical Center in Washington, DC. She then completed a fellowship in hematology and oncology, also at MedStar Georgetown University Medical Center. She was chosen to serve as chief fellow during her third and final year of fellowship.

Dr. Koprivnikar spent the early part of her career on faculty at MedStar Georgetown University Medical Center where she was active in teaching medical students, residents, and fellows. She also served as the medical co-director of the Patient Blood Management Program and was active on the institutional review board and as an investigator on many clinical trials. She is a member of the American Society of Hematology.

  • Medical Education: Sidney Kimmel Medical College, Philadelphia, PA
  • Residency: MedStar Georgetown University Medical Center, Washington, DC
  • Fellowship: MedStar Georgetown University Medical Center, Washington, DC
  • Board Certifications: Hematology, oncology, internal medicine
  • Specializations: Hematology, medical oncology
  • Research Interests: Leukemia, myelodysplastic syndrome, myeloproliferative neoplasms, aplastic anemia
  • Memberships: American Society of Hematology
  • Languages Spoken: English

Mira Hellmann, MD

Dr. Mira Hellmann specializes in Gynecologic Oncology. She treats all subtypes of gynecologic cancers including uterus, cervix, fallopian tube, ovaries, primary peritoneal, vaginal and vulvar cancer. The scope of her surgical expertise includes both traditional open surgery, as well as minimally invasive surgery. She has extensive expertise in complex laparoscopic surgery as well as robotic surgery.

Her research focus is in clinical research, including cooperative group studies, both industry-sponsored and investigator-initiated. She enjoys having the opportunity to offer patients the possibility of participating in the most cutting edge research, if they are inclined to do so.

Dr. Hellmann received her MD at SUNY Downstate in Brooklyn, and is a lifelong member of AOA. She completed her residency on Long Island Jewish Medical Center, and returned to SUNY Downstate for her fellowship training. She maintained a faculty position in central New Jersey for eight years where she developed a robust practice in a short period of time. She was active in resident and student education. She also helped spearhead a minimally invasive center that was a comprehensive resource for minimally invasive surgeons across multiple cancer specialties. She is looking forward to establishing her practice at the John Theurer Cancer Center, and to providing the highest quality of care to her patients.

Dr. Hellmann is board certified in both Obstetrics and Gynecology as well as Gynecologic Oncology.

  • Medical Education: SUNY Health Science Center at Brooklyn
  • Internship/Residency: Long Island Jewish Medical Center
  • Fellowship: SUNY Health Science Center at Brooklyn
  • Specialization: Gynecologic Oncology
  • Board Certification: Obstetrics and Gynecology, Gynecologic Oncology
  • Research Interests: Surgical innovation, clinical trials in gynecologic oncology
  • Membership: American Board of Obstetrics and Gynecology, Society of Gynecologic Oncology, Alpha Omega Alpha
  • Languages: English, Hebrew

Alan Skarbnik, MD

Alan Pierre Zausner Skarbnik, M.D. serves as a staff physician in both the Department of Bone Marrow Transplantation and the Department of Lymphoma at John Theurer Cancer Center.

Prior to joining John Theurer Cancer Center at Hackensack University Medical Center, Dr. Skarbnik was a clinical instructor in the Department of Hematology and Hematopoietic Cell Transplantation at the City of Hope National Medical Center in Duarte, California. Dr. Skarbnik also previously served as Chief Fellow of Medical Oncology and Hematology at Fox Chase Cancer Center and Temple University Hospital, and practiced at Columbia University College of Physicians and Surgeons/St. Luke’s-Roosevelt Medical Center in their internal medicine internship and residency after moving his medical career to the United States from his native Brazil.

Dr. Skarbnik has a rich research background, having served as a primary investigator at Fox Chase Cancer Center to identify biomarkers of sensitivity to mTOR inhibitors in renal cell cancer tumor samples, co-primary investigator in a Phase II study of Rituximab Intense Dosing with CHOP-21 in a 2011 ASCO/AACR workshop, and investigated the role of JAK mutations in the development of acute lymphoblastic leukemia at Memorial Sloan Kettering’s Human Oncopathogenesis Program. Dr. Skarbnik has also been extensively published and has participated in a number of presentations and poster sessions at major medical meetings.

Dr. Skarbnik specializes in hematology/oncology, and has extensive experience in a range of medical volunteer work conducted across the globe.

  • Medical Education: Universidade de Sao Paulo, Brazil
  • Residency: Columbia University College of Physicians and Surgeons/St. Luke’s-Roosevelt Medical Center, Internal Medicine Internship and Residency, 2007-2010. Hospital das Clinicas, University of Sao Paulo, Brazil, Internal Medicine Residency, 2005-2007.
  • Fellowships: City of Hope National Medical Center, Adult Hematopoietic Stem Cell Transplantation, 2013-2014. Fox Chase Cancer Center Chief Fellow 2012-2013. Fox Chase Cancer Center and Temple University Hospital, Medical Oncology and Hematology, 2010-2013.
  • Internship: Hospital das Clinicas, University of Sao Paulo, Brazil, 2002-2003.
  • Board Certifications: 2013 board-certified, American Board of Internal Medicine, Medical Oncology. 2013 board-certified, American Board of Internal Medicine, Hematology. 2010 board-certified, American Board of Internal Medicine, Internal Medicine. ACLS certification updated in 2013.
  • Honors/Awards: ASCO 2013 Merit Award. LeDor VaDor Award, presented by the President of Brazil of voluntary work. ASCO/AACR Vail Cancer Workshop selection – 2011.
  • Languages: English, Portuguese, Spanish
  • Hobbies/Interests: Multi-instrumentalist, has played in a Brazilian band

James K. McCloskey II, MD

James K. McCloskey II, M.D., works in the Division of Leukemia and the Adult Blood and Marrow Stem Cell Transplantation Program at John Theurer Cancer Center. Prior to his current position, Dr. McCloskey was a fellow in the Department of Hematology and Oncology at Georgetown University Hospital.

Dr. McCloskey has extensive research experience, serving as primary investigator in a Phase I/II non-randomized study of birinapant in combination with decitabine in patients with relapsed or refractory myelodysplastic syndrome and acute myelogenous leukemia, and was a primary investigator of cellular and molecular characterization of the immune response and minimal residual disease in patients who have completed treatment for acute myeloid leukemia. Dr. McCloskey has additionally presented a range of clinical work at major medical conferences, including MedStar Washington Hospital center multi-institutional lymphoma teleconference, Georgetown University Research Day and the Society of Comparative and Integrative Biology. Dr. McCloskey’s research has been published in the Journal of Coagulation Disorders, Advances in Clinical Oncology and Breast Cancer Research and Treatment.

Dr. McCloskey has deep roots in the philanthropic community; worked with the Lymphoma Research Foundation since 2011; and has volunteered with Food and Friends, a nonprofit that prepares and delivers meals and groceries to D.C. residents living with HIV/AIDS, cancer and other conditions since 2004.

  • Medical Education: Georgetown University School of Medicine
  • Residency: Georgetown University Hospital, Internal Medicine Resident, July 2009-2011
  • Fellowships: Chief Fellow, Department of Hematology and Oncology, Georgetown University Hospital, 2013-2014. Fellow, Department of Hematology and Oncology, Georgetown University Hospital, 2009-2013.
  • Internship: Georgetown University Hospital, Internal Medicine Intern, 2009-2011.
  • Board Certifications: 2014 board-eligible, Hematology and Oncology. 2011 board-certified, American Board of Internal Medicine.
  • Honors/Awards: Hematology Fellows Consortium Workshop, 2013. AACR/ASCO Methods of Cancer Research Workshop, 2013. Dr. Allen J. Goody Memorial Award for excellence in teaching, peer mentorship and personal integrity, Georgetown University Hospital, 2011.
  • Memberships: American Society of Clinical Oncology, American Association of Cancer Research, Housestaff Quality Council, Chemotherapy Utilization Committee, American Society of Hematology.

Samuel Singer, MD

Samuel Singer, M.D. is a neuro-oncologist at the Neurological Oncology Division – The Brain and Spine Institute at John Theurer Cancer Center. In addition to treating patients with primary brain tumors and brain metastases, he is also actively involved in research into novel therapies for these illnesses. Cancers and their treatments are frequently associated with an array of neurologic problems, including stroke, epilepsy, neuropathy and neurologic autoimmune disease, and Dr. Singer specializes in diagnosing and treating these conditions.

Prior to joining the John Theurer Cancer Center, Dr. Singer completed a fellowship in neuro-oncology at Memorial Sloan-Kettering Cancer Center and his residency in neurology at New York-Presbyterian Hospital/Weill Cornell Medical Center.

Dr. Singer is a member of the American Academy of Neurology, the American Society of Clinical Oncology and the Society for Neuro-Oncology. He is widely published in peer-reviewed journals, including Neurosurgery, Neurology, Stroke and The Oncologist.

  • Medical Education: Albert Einstein College of Medicine, Bronx, NY
  • Residency: New York-Presbyterian Hospital/Weill Cornell Medical Center, New York, NY
  • Fellowships: Memorial Sloan-Kettering Cancer Center, New York, NY
  • Board Certifications: Diplomate, American Board of Psychiatry and Neurology
  • Specializations: Neurology
  • Memberships:
    • Alpha Omega Alpha Medical Honor Society 2007
    • American Academy of Neurology, since 2009
    • American Society Clinical Oncology, since 2012
    • Society for Neuro-Oncology, since 2012
  • Languages Spoken: English, Hebrew

Noa Biran, MD

Noa Biran, MD, joined the Myeloma Division at John Theurer Cancer Center in September 2014.

Dr. Biran previously served as Chief Fellow of Hematology and Medical Oncology at Icahn School of Medicine at Mount Sinai, New York, where she also practiced in their internal medicine internship and residency. She received her medical degree from The George Washington University in Washington, D.C. As a fellow at Icahn School of Medicine, Dr. Biran participated in numerous lecture series and training sessions for medical students, residents, and nurse practitioners.

Dr. Biran is actively involved with clinical research focusing on multiple myeloma. She has presented a range of clinical work at international and national conferences such as the American Society of Hematology and the Society of Hematologic Oncology. She is widely published in hematology and oncology journals such as American Journal of Hematology, Current Hematologic Malignancy Reports, and The Hemophilia Report, with a research focus on high-risk multiple myeloma and the role of minimal residual disease in multiple myeloma. She has also co-authored a chapter in Essentials of Hospital Medicine: A Practical Guide for Clinicians, entitled “Oncologic Emergencies.” She is an active and valued member of the European Society for Medical Oncology, American Society of Clinical Oncology and American Society of Hematology.

Robert S. Alter, MD

Dr. Robert Alter specializes in medical oncology and hematology, and is board certified in internal medicine, medical oncology and hematology. For more than 15 years, Dr. Alter has been treating patients in the New Jersey community. Dr. Alter is actively involved in genitourinary and head and neck cancer research.

Dr. Alter received his medical degree from the University of Health Sciences/The Chicago Medical School. He completed his residency at St. Luke’s/Roosevelt Hospital Center, New York, New York in internal medicine and received his fellowship training at New York University Medical Center in hematology/oncology.

Dr. Alter holds an appointment at Hackensack University Medical Center. He is also the Chairman of the Transfusion Committee at St. Clare’s Hospital, and a member of the American Cancer Society.

Tracy Proverbs-Singh, MD MPH

Dr. Tracy Proverbs-Singh specializes in medical oncology and is board certified. She received her medical degree from University of Pittsburgh and completed her internal medicine residency at Mount Sinai Hospital.

Medical Education: University of Pittsburgh
Residency Internship: Mount Sinai Hospital
Certification: Internal Medicine
Languages: English

Lori Ann Leslie, MD

Dr. Lori Ann Leslie specializes in hematology and medical oncology. Her specific clinical and research interests include non-Hodgkin lymphoma, Hodgkin lymphoma, and chronic lymphocytic leukemia.

Dr. Leslie received her MD from Columbia University College of Physicians and Surgeons, and stayed at Columbia University for internal medicine residency. She completed fellowship training at The University of Texas M.D. Anderson Cancer Center, where she served as Chief Fellow. Born and raised in Morristown, NJ, Dr. Leslie is ecstatic about the opportunity to return to her home state and join the John Theurer Cancer Center.

  • Medical Education: Columbia University, College of Physicians and Surgeons.
  • Internal Medicine Internship and Residency: New York Presbyterian Hospital, Columbia University.
  • Hematology/Oncology Fellowship: The University of Texas, MD Anderson Cancer Center.
  • Board Certifications/Eligibility: Hematology and Medical Oncology board eligible in 2015, Internal Medicine board certified in 2012
  • Memberships: American Society of Clinical Oncology, American Society of Hematology
  • Specializations: Lymphoma and CLL
  • Research Interests: Lymphoma and CLL
  • Languages Spoken: English

Jamie Koprivnikar, MD

Dr. Jamie Koprvinikar specializes in hematology and medical oncology and is board certified in both. She also holds a board certification in internal medicine.

Dr. Koprivnikar received her medical degree from the Sidney Kimmel Medical College, formerly Jefferson Medical College of Thomas Jefferson University, in Philadelphia, PA. She completed her internal medicine residency at MedStar Georgetown University Medical Center in Washington, DC. She then completed a fellowship in hematology and oncology, also at MedStar Georgetown University Medical Center. She was chosen to serve as chief fellow during her third and final year of fellowship.

Dr. Koprivnikar spent the early part of her career on faculty at MedStar Georgetown University Medical Center where she was active in teaching medical students, residents, and fellows. She also served as the medical co-director of the Patient Blood Management Program and was active on the institutional review board and as an investigator on many clinical trials. She is a member of the American Society of Hematology.

  • Medical Education: Sidney Kimmel Medical College, Philadelphia, PA
  • Residency: MedStar Georgetown University Medical Center, Washington, DC
  • Fellowship: MedStar Georgetown University Medical Center, Washington, DC
  • Board Certifications: Hematology, oncology, internal medicine
  • Specializations: Hematology, medical oncology
  • Research Interests: Leukemia, myelodysplastic syndrome, myeloproliferative neoplasms, aplastic anemia
  • Memberships: American Society of Hematology
  • Languages Spoken: English

Mira Hellmann, MD

Dr. Mira Hellmann specializes in Gynecologic Oncology. She treats all subtypes of gynecologic cancers including uterus, cervix, fallopian tube, ovaries, primary peritoneal, vaginal and vulvar cancer. The scope of her surgical expertise includes both traditional open surgery, as well as minimally invasive surgery. She has extensive expertise in complex laparoscopic surgery as well as robotic surgery.

Her research focus is in clinical research, including cooperative group studies, both industry-sponsored and investigator-initiated. She enjoys having the opportunity to offer patients the possibility of participating in the most cutting edge research, if they are inclined to do so.

Dr. Hellmann received her MD at SUNY Downstate in Brooklyn, and is a lifelong member of AOA. She completed her residency on Long Island Jewish Medical Center, and returned to SUNY Downstate for her fellowship training. She maintained a faculty position in central New Jersey for eight years where she developed a robust practice in a short period of time. She was active in resident and student education. She also helped spearhead a minimally invasive center that was a comprehensive resource for minimally invasive surgeons across multiple cancer specialties. She is looking forward to establishing her practice at the John Theurer Cancer Center, and to providing the highest quality of care to her patients.

Dr. Hellmann is board certified in both Obstetrics and Gynecology as well as Gynecologic Oncology.

  • Medical Education: SUNY Health Science Center at Brooklyn
  • Internship/Residency: Long Island Jewish Medical Center
  • Fellowship: SUNY Health Science Center at Brooklyn
  • Specialization: Gynecologic Oncology
  • Board Certification: Obstetrics and Gynecology, Gynecologic Oncology
  • Research Interests: Surgical innovation, clinical trials in gynecologic oncology
  • Membership: American Board of Obstetrics and Gynecology, Society of Gynecologic Oncology, Alpha Omega Alpha
  • Languages: English, Hebrew

Alan Skarbnik, MD

Alan Pierre Zausner Skarbnik, M.D. serves as a staff physician in both the Department of Bone Marrow Transplantation and the Department of Lymphoma at John Theurer Cancer Center.

Prior to joining John Theurer Cancer Center at Hackensack University Medical Center, Dr. Skarbnik was a clinical instructor in the Department of Hematology and Hematopoietic Cell Transplantation at the City of Hope National Medical Center in Duarte, California. Dr. Skarbnik also previously served as Chief Fellow of Medical Oncology and Hematology at Fox Chase Cancer Center and Temple University Hospital, and practiced at Columbia University College of Physicians and Surgeons/St. Luke’s-Roosevelt Medical Center in their internal medicine internship and residency after moving his medical career to the United States from his native Brazil.

Dr. Skarbnik has a rich research background, having served as a primary investigator at Fox Chase Cancer Center to identify biomarkers of sensitivity to mTOR inhibitors in renal cell cancer tumor samples, co-primary investigator in a Phase II study of Rituximab Intense Dosing with CHOP-21 in a 2011 ASCO/AACR workshop, and investigated the role of JAK mutations in the development of acute lymphoblastic leukemia at Memorial Sloan Kettering’s Human Oncopathogenesis Program. Dr. Skarbnik has also been extensively published and has participated in a number of presentations and poster sessions at major medical meetings.

Dr. Skarbnik specializes in hematology/oncology, and has extensive experience in a range of medical volunteer work conducted across the globe.

  • Medical Education: Universidade de Sao Paulo, Brazil
  • Residency: Columbia University College of Physicians and Surgeons/St. Luke’s-Roosevelt Medical Center, Internal Medicine Internship and Residency, 2007-2010. Hospital das Clinicas, University of Sao Paulo, Brazil, Internal Medicine Residency, 2005-2007.
  • Fellowships: City of Hope National Medical Center, Adult Hematopoietic Stem Cell Transplantation, 2013-2014. Fox Chase Cancer Center Chief Fellow 2012-2013. Fox Chase Cancer Center and Temple University Hospital, Medical Oncology and Hematology, 2010-2013.
  • Internship: Hospital das Clinicas, University of Sao Paulo, Brazil, 2002-2003.
  • Board Certifications: 2013 board-certified, American Board of Internal Medicine, Medical Oncology. 2013 board-certified, American Board of Internal Medicine, Hematology. 2010 board-certified, American Board of Internal Medicine, Internal Medicine. ACLS certification updated in 2013.
  • Honors/Awards: ASCO 2013 Merit Award. LeDor VaDor Award, presented by the President of Brazil of voluntary work. ASCO/AACR Vail Cancer Workshop selection – 2011.
  • Languages: English, Portuguese, Spanish
  • Hobbies/Interests: Multi-instrumentalist, has played in a Brazilian band

James K. McCloskey II, MD

James K. McCloskey II, M.D., works in the Division of Leukemia and the Adult Blood and Marrow Stem Cell Transplantation Program at John Theurer Cancer Center. Prior to his current position, Dr. McCloskey was a fellow in the Department of Hematology and Oncology at Georgetown University Hospital.

Dr. McCloskey has extensive research experience, serving as primary investigator in a Phase I/II non-randomized study of birinapant in combination with decitabine in patients with relapsed or refractory myelodysplastic syndrome and acute myelogenous leukemia, and was a primary investigator of cellular and molecular characterization of the immune response and minimal residual disease in patients who have completed treatment for acute myeloid leukemia. Dr. McCloskey has additionally presented a range of clinical work at major medical conferences, including MedStar Washington Hospital center multi-institutional lymphoma teleconference, Georgetown University Research Day and the Society of Comparative and Integrative Biology. Dr. McCloskey’s research has been published in the Journal of Coagulation Disorders, Advances in Clinical Oncology and Breast Cancer Research and Treatment.

Dr. McCloskey has deep roots in the philanthropic community; worked with the Lymphoma Research Foundation since 2011; and has volunteered with Food and Friends, a nonprofit that prepares and delivers meals and groceries to D.C. residents living with HIV/AIDS, cancer and other conditions since 2004.

  • Medical Education: Georgetown University School of Medicine
  • Residency: Georgetown University Hospital, Internal Medicine Resident, July 2009-2011
  • Fellowships: Chief Fellow, Department of Hematology and Oncology, Georgetown University Hospital, 2013-2014. Fellow, Department of Hematology and Oncology, Georgetown University Hospital, 2009-2013.
  • Internship: Georgetown University Hospital, Internal Medicine Intern, 2009-2011.
  • Board Certifications: 2014 board-eligible, Hematology and Oncology. 2011 board-certified, American Board of Internal Medicine.
  • Honors/Awards: Hematology Fellows Consortium Workshop, 2013. AACR/ASCO Methods of Cancer Research Workshop, 2013. Dr. Allen J. Goody Memorial Award for excellence in teaching, peer mentorship and personal integrity, Georgetown University Hospital, 2011.
  • Memberships: American Society of Clinical Oncology, American Association of Cancer Research, Housestaff Quality Council, Chemotherapy Utilization Committee, American Society of Hematology.

Samuel Singer, MD

Samuel Singer, M.D. is a neuro-oncologist at the Neurological Oncology Division – The Brain and Spine Institute at John Theurer Cancer Center. In addition to treating patients with primary brain tumors and brain metastases, he is also actively involved in research into novel therapies for these illnesses. Cancers and their treatments are frequently associated with an array of neurologic problems, including stroke, epilepsy, neuropathy and neurologic autoimmune disease, and Dr. Singer specializes in diagnosing and treating these conditions.

Prior to joining the John Theurer Cancer Center, Dr. Singer completed a fellowship in neuro-oncology at Memorial Sloan-Kettering Cancer Center and his residency in neurology at New York-Presbyterian Hospital/Weill Cornell Medical Center.

Dr. Singer is a member of the American Academy of Neurology, the American Society of Clinical Oncology and the Society for Neuro-Oncology. He is widely published in peer-reviewed journals, including Neurosurgery, Neurology, Stroke and The Oncologist.

  • Medical Education: Albert Einstein College of Medicine, Bronx, NY
  • Residency: New York-Presbyterian Hospital/Weill Cornell Medical Center, New York, NY
  • Fellowships: Memorial Sloan-Kettering Cancer Center, New York, NY
  • Board Certifications: Diplomate, American Board of Psychiatry and Neurology
  • Specializations: Neurology
  • Memberships:
    • Alpha Omega Alpha Medical Honor Society 2007
    • American Academy of Neurology, since 2009
    • American Society Clinical Oncology, since 2012
    • Society for Neuro-Oncology, since 2012
  • Languages Spoken: English, Hebrew

Noa Biran, MD

Noa Biran, MD, joined the Myeloma Division at John Theurer Cancer Center in September 2014.

Dr. Biran previously served as Chief Fellow of Hematology and Medical Oncology at Icahn School of Medicine at Mount Sinai, New York, where she also practiced in their internal medicine internship and residency. She received her medical degree from The George Washington University in Washington, D.C. As a fellow at Icahn School of Medicine, Dr. Biran participated in numerous lecture series and training sessions for medical students, residents, and nurse practitioners.

Dr. Biran is actively involved with clinical research focusing on multiple myeloma. She has presented a range of clinical work at international and national conferences such as the American Society of Hematology and the Society of Hematologic Oncology. She is widely published in hematology and oncology journals such as American Journal of Hematology, Current Hematologic Malignancy Reports, and The Hemophilia Report, with a research focus on high-risk multiple myeloma and the role of minimal residual disease in multiple myeloma. She has also co-authored a chapter in Essentials of Hospital Medicine: A Practical Guide for Clinicians, entitled “Oncologic Emergencies.” She is an active and valued member of the European Society for Medical Oncology, American Society of Clinical Oncology and American Society of Hematology.

Robert S. Alter, MD

Dr. Robert Alter specializes in medical oncology and hematology, and is board certified in internal medicine, medical oncology and hematology. For more than 15 years, Dr. Alter has been treating patients in the New Jersey community. Dr. Alter is actively involved in genitourinary and head and neck cancer research.

Dr. Alter received his medical degree from the University of Health Sciences/The Chicago Medical School. He completed his residency at St. Luke’s/Roosevelt Hospital Center, New York, New York in internal medicine and received his fellowship training at New York University Medical Center in hematology/oncology.

Dr. Alter holds an appointment at Hackensack University Medical Center. He is also the Chairman of the Transfusion Committee at St. Clare’s Hospital, and a member of the American Cancer Society.

Tracy Proverbs-Singh, MD MPH

Dr. Tracy Proverbs-Singh specializes in medical oncology and is board certified. She received her medical degree from University of Pittsburgh and completed her internal medicine residency at Mount Sinai Hospital.

Medical Education: University of Pittsburgh
Residency Internship: Mount Sinai Hospital
Certification: Internal Medicine
Languages: English

Lori Ann Leslie, MD

Dr. Lori Ann Leslie specializes in hematology and medical oncology. Her specific clinical and research interests include non-Hodgkin lymphoma, Hodgkin lymphoma, and chronic lymphocytic leukemia.

Dr. Leslie received her MD from Columbia University College of Physicians and Surgeons, and stayed at Columbia University for internal medicine residency. She completed fellowship training at The University of Texas M.D. Anderson Cancer Center, where she served as Chief Fellow. Born and raised in Morristown, NJ, Dr. Leslie is ecstatic about the opportunity to return to her home state and join the John Theurer Cancer Center.

  • Medical Education: Columbia University, College of Physicians and Surgeons.
  • Internal Medicine Internship and Residency: New York Presbyterian Hospital, Columbia University.
  • Hematology/Oncology Fellowship: The University of Texas, MD Anderson Cancer Center.
  • Board Certifications/Eligibility: Hematology and Medical Oncology board eligible in 2015, Internal Medicine board certified in 2012
  • Memberships: American Society of Clinical Oncology, American Society of Hematology
  • Specializations: Lymphoma and CLL
  • Research Interests: Lymphoma and CLL
  • Languages Spoken: English

Jamie Koprivnikar, MD

Dr. Jamie Koprvinikar specializes in hematology and medical oncology and is board certified in both. She also holds a board certification in internal medicine.

Dr. Koprivnikar received her medical degree from the Sidney Kimmel Medical College, formerly Jefferson Medical College of Thomas Jefferson University, in Philadelphia, PA. She completed her internal medicine residency at MedStar Georgetown University Medical Center in Washington, DC. She then completed a fellowship in hematology and oncology, also at MedStar Georgetown University Medical Center. She was chosen to serve as chief fellow during her third and final year of fellowship.

Dr. Koprivnikar spent the early part of her career on faculty at MedStar Georgetown University Medical Center where she was active in teaching medical students, residents, and fellows. She also served as the medical co-director of the Patient Blood Management Program and was active on the institutional review board and as an investigator on many clinical trials. She is a member of the American Society of Hematology.

  • Medical Education: Sidney Kimmel Medical College, Philadelphia, PA
  • Residency: MedStar Georgetown University Medical Center, Washington, DC
  • Fellowship: MedStar Georgetown University Medical Center, Washington, DC
  • Board Certifications: Hematology, oncology, internal medicine
  • Specializations: Hematology, medical oncology
  • Research Interests: Leukemia, myelodysplastic syndrome, myeloproliferative neoplasms, aplastic anemia
  • Memberships: American Society of Hematology
  • Languages Spoken: English

Mira Hellmann, MD

Dr. Mira Hellmann specializes in Gynecologic Oncology. She treats all subtypes of gynecologic cancers including uterus, cervix, fallopian tube, ovaries, primary peritoneal, vaginal and vulvar cancer. The scope of her surgical expertise includes both traditional open surgery, as well as minimally invasive surgery. She has extensive expertise in complex laparoscopic surgery as well as robotic surgery.

Her research focus is in clinical research, including cooperative group studies, both industry-sponsored and investigator-initiated. She enjoys having the opportunity to offer patients the possibility of participating in the most cutting edge research, if they are inclined to do so.

Dr. Hellmann received her MD at SUNY Downstate in Brooklyn, and is a lifelong member of AOA. She completed her residency on Long Island Jewish Medical Center, and returned to SUNY Downstate for her fellowship training. She maintained a faculty position in central New Jersey for eight years where she developed a robust practice in a short period of time. She was active in resident and student education. She also helped spearhead a minimally invasive center that was a comprehensive resource for minimally invasive surgeons across multiple cancer specialties. She is looking forward to establishing her practice at the John Theurer Cancer Center, and to providing the highest quality of care to her patients.

Dr. Hellmann is board certified in both Obstetrics and Gynecology as well as Gynecologic Oncology.

  • Medical Education: SUNY Health Science Center at Brooklyn
  • Internship/Residency: Long Island Jewish Medical Center
  • Fellowship: SUNY Health Science Center at Brooklyn
  • Specialization: Gynecologic Oncology
  • Board Certification: Obstetrics and Gynecology, Gynecologic Oncology
  • Research Interests: Surgical innovation, clinical trials in gynecologic oncology
  • Membership: American Board of Obstetrics and Gynecology, Society of Gynecologic Oncology, Alpha Omega Alpha
  • Languages: English, Hebrew

Alan Skarbnik, MD

Alan Pierre Zausner Skarbnik, M.D. serves as a staff physician in both the Department of Bone Marrow Transplantation and the Department of Lymphoma at John Theurer Cancer Center.

Prior to joining John Theurer Cancer Center at Hackensack University Medical Center, Dr. Skarbnik was a clinical instructor in the Department of Hematology and Hematopoietic Cell Transplantation at the City of Hope National Medical Center in Duarte, California. Dr. Skarbnik also previously served as Chief Fellow of Medical Oncology and Hematology at Fox Chase Cancer Center and Temple University Hospital, and practiced at Columbia University College of Physicians and Surgeons/St. Luke’s-Roosevelt Medical Center in their internal medicine internship and residency after moving his medical career to the United States from his native Brazil.

Dr. Skarbnik has a rich research background, having served as a primary investigator at Fox Chase Cancer Center to identify biomarkers of sensitivity to mTOR inhibitors in renal cell cancer tumor samples, co-primary investigator in a Phase II study of Rituximab Intense Dosing with CHOP-21 in a 2011 ASCO/AACR workshop, and investigated the role of JAK mutations in the development of acute lymphoblastic leukemia at Memorial Sloan Kettering’s Human Oncopathogenesis Program. Dr. Skarbnik has also been extensively published and has participated in a number of presentations and poster sessions at major medical meetings.

Dr. Skarbnik specializes in hematology/oncology, and has extensive experience in a range of medical volunteer work conducted across the globe.

  • Medical Education: Universidade de Sao Paulo, Brazil
  • Residency: Columbia University College of Physicians and Surgeons/St. Luke’s-Roosevelt Medical Center, Internal Medicine Internship and Residency, 2007-2010. Hospital das Clinicas, University of Sao Paulo, Brazil, Internal Medicine Residency, 2005-2007.
  • Fellowships: City of Hope National Medical Center, Adult Hematopoietic Stem Cell Transplantation, 2013-2014. Fox Chase Cancer Center Chief Fellow 2012-2013. Fox Chase Cancer Center and Temple University Hospital, Medical Oncology and Hematology, 2010-2013.
  • Internship: Hospital das Clinicas, University of Sao Paulo, Brazil, 2002-2003.
  • Board Certifications: 2013 board-certified, American Board of Internal Medicine, Medical Oncology. 2013 board-certified, American Board of Internal Medicine, Hematology. 2010 board-certified, American Board of Internal Medicine, Internal Medicine. ACLS certification updated in 2013.
  • Honors/Awards: ASCO 2013 Merit Award. LeDor VaDor Award, presented by the President of Brazil of voluntary work. ASCO/AACR Vail Cancer Workshop selection – 2011.
  • Languages: English, Portuguese, Spanish
  • Hobbies/Interests: Multi-instrumentalist, has played in a Brazilian band

James K. McCloskey II, MD

James K. McCloskey II, M.D., works in the Division of Leukemia and the Adult Blood and Marrow Stem Cell Transplantation Program at John Theurer Cancer Center. Prior to his current position, Dr. McCloskey was a fellow in the Department of Hematology and Oncology at Georgetown University Hospital.

Dr. McCloskey has extensive research experience, serving as primary investigator in a Phase I/II non-randomized study of birinapant in combination with decitabine in patients with relapsed or refractory myelodysplastic syndrome and acute myelogenous leukemia, and was a primary investigator of cellular and molecular characterization of the immune response and minimal residual disease in patients who have completed treatment for acute myeloid leukemia. Dr. McCloskey has additionally presented a range of clinical work at major medical conferences, including MedStar Washington Hospital center multi-institutional lymphoma teleconference, Georgetown University Research Day and the Society of Comparative and Integrative Biology. Dr. McCloskey’s research has been published in the Journal of Coagulation Disorders, Advances in Clinical Oncology and Breast Cancer Research and Treatment.

Dr. McCloskey has deep roots in the philanthropic community; worked with the Lymphoma Research Foundation since 2011; and has volunteered with Food and Friends, a nonprofit that prepares and delivers meals and groceries to D.C. residents living with HIV/AIDS, cancer and other conditions since 2004.

  • Medical Education: Georgetown University School of Medicine
  • Residency: Georgetown University Hospital, Internal Medicine Resident, July 2009-2011
  • Fellowships: Chief Fellow, Department of Hematology and Oncology, Georgetown University Hospital, 2013-2014. Fellow, Department of Hematology and Oncology, Georgetown University Hospital, 2009-2013.
  • Internship: Georgetown University Hospital, Internal Medicine Intern, 2009-2011.
  • Board Certifications: 2014 board-eligible, Hematology and Oncology. 2011 board-certified, American Board of Internal Medicine.
  • Honors/Awards: Hematology Fellows Consortium Workshop, 2013. AACR/ASCO Methods of Cancer Research Workshop, 2013. Dr. Allen J. Goody Memorial Award for excellence in teaching, peer mentorship and personal integrity, Georgetown University Hospital, 2011.
  • Memberships: American Society of Clinical Oncology, American Association of Cancer Research, Housestaff Quality Council, Chemotherapy Utilization Committee, American Society of Hematology.

Samuel Singer, MD

Samuel Singer, M.D. is a neuro-oncologist at the Neurological Oncology Division – The Brain and Spine Institute at John Theurer Cancer Center. In addition to treating patients with primary brain tumors and brain metastases, he is also actively involved in research into novel therapies for these illnesses. Cancers and their treatments are frequently associated with an array of neurologic problems, including stroke, epilepsy, neuropathy and neurologic autoimmune disease, and Dr. Singer specializes in diagnosing and treating these conditions.

Prior to joining the John Theurer Cancer Center, Dr. Singer completed a fellowship in neuro-oncology at Memorial Sloan-Kettering Cancer Center and his residency in neurology at New York-Presbyterian Hospital/Weill Cornell Medical Center.

Dr. Singer is a member of the American Academy of Neurology, the American Society of Clinical Oncology and the Society for Neuro-Oncology. He is widely published in peer-reviewed journals, including Neurosurgery, Neurology, Stroke and The Oncologist.

  • Medical Education: Albert Einstein College of Medicine, Bronx, NY
  • Residency: New York-Presbyterian Hospital/Weill Cornell Medical Center, New York, NY
  • Fellowships: Memorial Sloan-Kettering Cancer Center, New York, NY
  • Board Certifications: Diplomate, American Board of Psychiatry and Neurology
  • Specializations: Neurology
  • Memberships:
    • Alpha Omega Alpha Medical Honor Society 2007
    • American Academy of Neurology, since 2009
    • American Society Clinical Oncology, since 2012
    • Society for Neuro-Oncology, since 2012
  • Languages Spoken: English, Hebrew

Noa Biran, MD

Noa Biran, MD, joined the Myeloma Division at John Theurer Cancer Center in September 2014.

Dr. Biran previously served as Chief Fellow of Hematology and Medical Oncology at Icahn School of Medicine at Mount Sinai, New York, where she also practiced in their internal medicine internship and residency. She received her medical degree from The George Washington University in Washington, D.C. As a fellow at Icahn School of Medicine, Dr. Biran participated in numerous lecture series and training sessions for medical students, residents, and nurse practitioners.

Dr. Biran is actively involved with clinical research focusing on multiple myeloma. She has presented a range of clinical work at international and national conferences such as the American Society of Hematology and the Society of Hematologic Oncology. She is widely published in hematology and oncology journals such as American Journal of Hematology, Current Hematologic Malignancy Reports, and The Hemophilia Report, with a research focus on high-risk multiple myeloma and the role of minimal residual disease in multiple myeloma. She has also co-authored a chapter in Essentials of Hospital Medicine: A Practical Guide for Clinicians, entitled “Oncologic Emergencies.” She is an active and valued member of the European Society for Medical Oncology, American Society of Clinical Oncology and American Society of Hematology.

Robert S. Alter, MD

Dr. Robert Alter specializes in medical oncology and hematology, and is board certified in internal medicine, medical oncology and hematology. For more than 15 years, Dr. Alter has been treating patients in the New Jersey community. Dr. Alter is actively involved in genitourinary and head and neck cancer research.

Dr. Alter received his medical degree from the University of Health Sciences/The Chicago Medical School. He completed his residency at St. Luke’s/Roosevelt Hospital Center, New York, New York in internal medicine and received his fellowship training at New York University Medical Center in hematology/oncology.

Dr. Alter holds an appointment at Hackensack University Medical Center. He is also the Chairman of the Transfusion Committee at St. Clare’s Hospital, and a member of the American Cancer Society.

Tracy Proverbs-Singh, MD MPH

Dr. Tracy Proverbs-Singh specializes in medical oncology and is board certified. She received her medical degree from University of Pittsburgh and completed her internal medicine residency at Mount Sinai Hospital.

Medical Education: University of Pittsburgh
Residency Internship: Mount Sinai Hospital
Certification: Internal Medicine
Languages: English

Lori Ann Leslie, MD

Dr. Lori Ann Leslie specializes in hematology and medical oncology. Her specific clinical and research interests include non-Hodgkin lymphoma, Hodgkin lymphoma, and chronic lymphocytic leukemia.

Dr. Leslie received her MD from Columbia University College of Physicians and Surgeons, and stayed at Columbia University for internal medicine residency. She completed fellowship training at The University of Texas M.D. Anderson Cancer Center, where she served as Chief Fellow. Born and raised in Morristown, NJ, Dr. Leslie is ecstatic about the opportunity to return to her home state and join the John Theurer Cancer Center.

  • Medical Education: Columbia University, College of Physicians and Surgeons.
  • Internal Medicine Internship and Residency: New York Presbyterian Hospital, Columbia University.
  • Hematology/Oncology Fellowship: The University of Texas, MD Anderson Cancer Center.
  • Board Certifications/Eligibility: Hematology and Medical Oncology board eligible in 2015, Internal Medicine board certified in 2012
  • Memberships: American Society of Clinical Oncology, American Society of Hematology
  • Specializations: Lymphoma and CLL
  • Research Interests: Lymphoma and CLL
  • Languages Spoken: English

Jamie Koprivnikar, MD

Dr. Jamie Koprvinikar specializes in hematology and medical oncology and is board certified in both. She also holds a board certification in internal medicine.

Dr. Koprivnikar received her medical degree from the Sidney Kimmel Medical College, formerly Jefferson Medical College of Thomas Jefferson University, in Philadelphia, PA. She completed her internal medicine residency at MedStar Georgetown University Medical Center in Washington, DC. She then completed a fellowship in hematology and oncology, also at MedStar Georgetown University Medical Center. She was chosen to serve as chief fellow during her third and final year of fellowship.

Dr. Koprivnikar spent the early part of her career on faculty at MedStar Georgetown University Medical Center where she was active in teaching medical students, residents, and fellows. She also served as the medical co-director of the Patient Blood Management Program and was active on the institutional review board and as an investigator on many clinical trials. She is a member of the American Society of Hematology.

  • Medical Education: Sidney Kimmel Medical College, Philadelphia, PA
  • Residency: MedStar Georgetown University Medical Center, Washington, DC
  • Fellowship: MedStar Georgetown University Medical Center, Washington, DC
  • Board Certifications: Hematology, oncology, internal medicine
  • Specializations: Hematology, medical oncology
  • Research Interests: Leukemia, myelodysplastic syndrome, myeloproliferative neoplasms, aplastic anemia
  • Memberships: American Society of Hematology
  • Languages Spoken: English

Mira Hellmann, MD

Dr. Mira Hellmann specializes in Gynecologic Oncology. She treats all subtypes of gynecologic cancers including uterus, cervix, fallopian tube, ovaries, primary peritoneal, vaginal and vulvar cancer. The scope of her surgical expertise includes both traditional open surgery, as well as minimally invasive surgery. She has extensive expertise in complex laparoscopic surgery as well as robotic surgery.

Her research focus is in clinical research, including cooperative group studies, both industry-sponsored and investigator-initiated. She enjoys having the opportunity to offer patients the possibility of participating in the most cutting edge research, if they are inclined to do so.

Dr. Hellmann received her MD at SUNY Downstate in Brooklyn, and is a lifelong member of AOA. She completed her residency on Long Island Jewish Medical Center, and returned to SUNY Downstate for her fellowship training. She maintained a faculty position in central New Jersey for eight years where she developed a robust practice in a short period of time. She was active in resident and student education. She also helped spearhead a minimally invasive center that was a comprehensive resource for minimally invasive surgeons across multiple cancer specialties. She is looking forward to establishing her practice at the John Theurer Cancer Center, and to providing the highest quality of care to her patients.

Dr. Hellmann is board certified in both Obstetrics and Gynecology as well as Gynecologic Oncology.

  • Medical Education: SUNY Health Science Center at Brooklyn
  • Internship/Residency: Long Island Jewish Medical Center
  • Fellowship: SUNY Health Science Center at Brooklyn
  • Specialization: Gynecologic Oncology
  • Board Certification: Obstetrics and Gynecology, Gynecologic Oncology
  • Research Interests: Surgical innovation, clinical trials in gynecologic oncology
  • Membership: American Board of Obstetrics and Gynecology, Society of Gynecologic Oncology, Alpha Omega Alpha
  • Languages: English, Hebrew

Alan Skarbnik, MD

Alan Pierre Zausner Skarbnik, M.D. serves as a staff physician in both the Department of Bone Marrow Transplantation and the Department of Lymphoma at John Theurer Cancer Center.

Prior to joining John Theurer Cancer Center at Hackensack University Medical Center, Dr. Skarbnik was a clinical instructor in the Department of Hematology and Hematopoietic Cell Transplantation at the City of Hope National Medical Center in Duarte, California. Dr. Skarbnik also previously served as Chief Fellow of Medical Oncology and Hematology at Fox Chase Cancer Center and Temple University Hospital, and practiced at Columbia University College of Physicians and Surgeons/St. Luke’s-Roosevelt Medical Center in their internal medicine internship and residency after moving his medical career to the United States from his native Brazil.

Dr. Skarbnik has a rich research background, having served as a primary investigator at Fox Chase Cancer Center to identify biomarkers of sensitivity to mTOR inhibitors in renal cell cancer tumor samples, co-primary investigator in a Phase II study of Rituximab Intense Dosing with CHOP-21 in a 2011 ASCO/AACR workshop, and investigated the role of JAK mutations in the development of acute lymphoblastic leukemia at Memorial Sloan Kettering’s Human Oncopathogenesis Program. Dr. Skarbnik has also been extensively published and has participated in a number of presentations and poster sessions at major medical meetings.

Dr. Skarbnik specializes in hematology/oncology, and has extensive experience in a range of medical volunteer work conducted across the globe.

  • Medical Education: Universidade de Sao Paulo, Brazil
  • Residency: Columbia University College of Physicians and Surgeons/St. Luke’s-Roosevelt Medical Center, Internal Medicine Internship and Residency, 2007-2010. Hospital das Clinicas, University of Sao Paulo, Brazil, Internal Medicine Residency, 2005-2007.
  • Fellowships: City of Hope National Medical Center, Adult Hematopoietic Stem Cell Transplantation, 2013-2014. Fox Chase Cancer Center Chief Fellow 2012-2013. Fox Chase Cancer Center and Temple University Hospital, Medical Oncology and Hematology, 2010-2013.
  • Internship: Hospital das Clinicas, University of Sao Paulo, Brazil, 2002-2003.
  • Board Certifications: 2013 board-certified, American Board of Internal Medicine, Medical Oncology. 2013 board-certified, American Board of Internal Medicine, Hematology. 2010 board-certified, American Board of Internal Medicine, Internal Medicine. ACLS certification updated in 2013.
  • Honors/Awards: ASCO 2013 Merit Award. LeDor VaDor Award, presented by the President of Brazil of voluntary work. ASCO/AACR Vail Cancer Workshop selection – 2011.
  • Languages: English, Portuguese, Spanish
  • Hobbies/Interests: Multi-instrumentalist, has played in a Brazilian band

James K. McCloskey II, MD

James K. McCloskey II, M.D., works in the Division of Leukemia and the Adult Blood and Marrow Stem Cell Transplantation Program at John Theurer Cancer Center. Prior to his current position, Dr. McCloskey was a fellow in the Department of Hematology and Oncology at Georgetown University Hospital.

Dr. McCloskey has extensive research experience, serving as primary investigator in a Phase I/II non-randomized study of birinapant in combination with decitabine in patients with relapsed or refractory myelodysplastic syndrome and acute myelogenous leukemia, and was a primary investigator of cellular and molecular characterization of the immune response and minimal residual disease in patients who have completed treatment for acute myeloid leukemia. Dr. McCloskey has additionally presented a range of clinical work at major medical conferences, including MedStar Washington Hospital center multi-institutional lymphoma teleconference, Georgetown University Research Day and the Society of Comparative and Integrative Biology. Dr. McCloskey’s research has been published in the Journal of Coagulation Disorders, Advances in Clinical Oncology and Breast Cancer Research and Treatment.

Dr. McCloskey has deep roots in the philanthropic community; worked with the Lymphoma Research Foundation since 2011; and has volunteered with Food and Friends, a nonprofit that prepares and delivers meals and groceries to D.C. residents living with HIV/AIDS, cancer and other conditions since 2004.

  • Medical Education: Georgetown University School of Medicine
  • Residency: Georgetown University Hospital, Internal Medicine Resident, July 2009-2011
  • Fellowships: Chief Fellow, Department of Hematology and Oncology, Georgetown University Hospital, 2013-2014. Fellow, Department of Hematology and Oncology, Georgetown University Hospital, 2009-2013.
  • Internship: Georgetown University Hospital, Internal Medicine Intern, 2009-2011.
  • Board Certifications: 2014 board-eligible, Hematology and Oncology. 2011 board-certified, American Board of Internal Medicine.
  • Honors/Awards: Hematology Fellows Consortium Workshop, 2013. AACR/ASCO Methods of Cancer Research Workshop, 2013. Dr. Allen J. Goody Memorial Award for excellence in teaching, peer mentorship and personal integrity, Georgetown University Hospital, 2011.
  • Memberships: American Society of Clinical Oncology, American Association of Cancer Research, Housestaff Quality Council, Chemotherapy Utilization Committee, American Society of Hematology.

Samuel Singer, MD

Samuel Singer, M.D. is a neuro-oncologist at the Neurological Oncology Division – The Brain and Spine Institute at John Theurer Cancer Center. In addition to treating patients with primary brain tumors and brain metastases, he is also actively involved in research into novel therapies for these illnesses. Cancers and their treatments are frequently associated with an array of neurologic problems, including stroke, epilepsy, neuropathy and neurologic autoimmune disease, and Dr. Singer specializes in diagnosing and treating these conditions.

Prior to joining the John Theurer Cancer Center, Dr. Singer completed a fellowship in neuro-oncology at Memorial Sloan-Kettering Cancer Center and his residency in neurology at New York-Presbyterian Hospital/Weill Cornell Medical Center.

Dr. Singer is a member of the American Academy of Neurology, the American Society of Clinical Oncology and the Society for Neuro-Oncology. He is widely published in peer-reviewed journals, including Neurosurgery, Neurology, Stroke and The Oncologist.

  • Medical Education: Albert Einstein College of Medicine, Bronx, NY
  • Residency: New York-Presbyterian Hospital/Weill Cornell Medical Center, New York, NY
  • Fellowships: Memorial Sloan-Kettering Cancer Center, New York, NY
  • Board Certifications: Diplomate, American Board of Psychiatry and Neurology
  • Specializations: Neurology
  • Memberships:
    • Alpha Omega Alpha Medical Honor Society 2007
    • American Academy of Neurology, since 2009
    • American Society Clinical Oncology, since 2012
    • Society for Neuro-Oncology, since 2012
  • Languages Spoken: English, Hebrew

Noa Biran, MD

Noa Biran, MD, joined the Myeloma Division at John Theurer Cancer Center in September 2014.

Dr. Biran previously served as Chief Fellow of Hematology and Medical Oncology at Icahn School of Medicine at Mount Sinai, New York, where she also practiced in their internal medicine internship and residency. She received her medical degree from The George Washington University in Washington, D.C. As a fellow at Icahn School of Medicine, Dr. Biran participated in numerous lecture series and training sessions for medical students, residents, and nurse practitioners.

Dr. Biran is actively involved with clinical research focusing on multiple myeloma. She has presented a range of clinical work at international and national conferences such as the American Society of Hematology and the Society of Hematologic Oncology. She is widely published in hematology and oncology journals such as American Journal of Hematology, Current Hematologic Malignancy Reports, and The Hemophilia Report, with a research focus on high-risk multiple myeloma and the role of minimal residual disease in multiple myeloma. She has also co-authored a chapter in Essentials of Hospital Medicine: A Practical Guide for Clinicians, entitled “Oncologic Emergencies.” She is an active and valued member of the European Society for Medical Oncology, American Society of Clinical Oncology and American Society of Hematology.

Robert S. Alter, MD

Dr. Robert Alter specializes in medical oncology and hematology, and is board certified in internal medicine, medical oncology and hematology. For more than 15 years, Dr. Alter has been treating patients in the New Jersey community. Dr. Alter is actively involved in genitourinary and head and neck cancer research.

Dr. Alter received his medical degree from the University of Health Sciences/The Chicago Medical School. He completed his residency at St. Luke’s/Roosevelt Hospital Center, New York, New York in internal medicine and received his fellowship training at New York University Medical Center in hematology/oncology.

Dr. Alter holds an appointment at Hackensack University Medical Center. He is also the Chairman of the Transfusion Committee at St. Clare’s Hospital, and a member of the American Cancer Society.

Tracy Proverbs-Singh, MD MPH

Dr. Tracy Proverbs-Singh specializes in medical oncology and is board certified. She received her medical degree from University of Pittsburgh and completed her internal medicine residency at Mount Sinai Hospital.

Medical Education: University of Pittsburgh
Residency Internship: Mount Sinai Hospital
Certification: Internal Medicine
Languages: English

Lori Ann Leslie, MD

Dr. Lori Ann Leslie specializes in hematology and medical oncology. Her specific clinical and research interests include non-Hodgkin lymphoma, Hodgkin lymphoma, and chronic lymphocytic leukemia.

Dr. Leslie received her MD from Columbia University College of Physicians and Surgeons, and stayed at Columbia University for internal medicine residency. She completed fellowship training at The University of Texas M.D. Anderson Cancer Center, where she served as Chief Fellow. Born and raised in Morristown, NJ, Dr. Leslie is ecstatic about the opportunity to return to her home state and join the John Theurer Cancer Center.

  • Medical Education: Columbia University, College of Physicians and Surgeons.
  • Internal Medicine Internship and Residency: New York Presbyterian Hospital, Columbia University.
  • Hematology/Oncology Fellowship: The University of Texas, MD Anderson Cancer Center.
  • Board Certifications/Eligibility: Hematology and Medical Oncology board eligible in 2015, Internal Medicine board certified in 2012
  • Memberships: American Society of Clinical Oncology, American Society of Hematology
  • Specializations: Lymphoma and CLL
  • Research Interests: Lymphoma and CLL
  • Languages Spoken: English

Jamie Koprivnikar, MD

Dr. Jamie Koprvinikar specializes in hematology and medical oncology and is board certified in both. She also holds a board certification in internal medicine.

Dr. Koprivnikar received her medical degree from the Sidney Kimmel Medical College, formerly Jefferson Medical College of Thomas Jefferson University, in Philadelphia, PA. She completed her internal medicine residency at MedStar Georgetown University Medical Center in Washington, DC. She then completed a fellowship in hematology and oncology, also at MedStar Georgetown University Medical Center. She was chosen to serve as chief fellow during her third and final year of fellowship.

Dr. Koprivnikar spent the early part of her career on faculty at MedStar Georgetown University Medical Center where she was active in teaching medical students, residents, and fellows. She also served as the medical co-director of the Patient Blood Management Program and was active on the institutional review board and as an investigator on many clinical trials. She is a member of the American Society of Hematology.

  • Medical Education: Sidney Kimmel Medical College, Philadelphia, PA
  • Residency: MedStar Georgetown University Medical Center, Washington, DC
  • Fellowship: MedStar Georgetown University Medical Center, Washington, DC
  • Board Certifications: Hematology, oncology, internal medicine
  • Specializations: Hematology, medical oncology
  • Research Interests: Leukemia, myelodysplastic syndrome, myeloproliferative neoplasms, aplastic anemia
  • Memberships: American Society of Hematology
  • Languages Spoken: English

Mira Hellmann, MD

Dr. Mira Hellmann specializes in Gynecologic Oncology. She treats all subtypes of gynecologic cancers including uterus, cervix, fallopian tube, ovaries, primary peritoneal, vaginal and vulvar cancer. The scope of her surgical expertise includes both traditional open surgery, as well as minimally invasive surgery. She has extensive expertise in complex laparoscopic surgery as well as robotic surgery.

Her research focus is in clinical research, including cooperative group studies, both industry-sponsored and investigator-initiated. She enjoys having the opportunity to offer patients the possibility of participating in the most cutting edge research, if they are inclined to do so.

Dr. Hellmann received her MD at SUNY Downstate in Brooklyn, and is a lifelong member of AOA. She completed her residency on Long Island Jewish Medical Center, and returned to SUNY Downstate for her fellowship training. She maintained a faculty position in central New Jersey for eight years where she developed a robust practice in a short period of time. She was active in resident and student education. She also helped spearhead a minimally invasive center that was a comprehensive resource for minimally invasive surgeons across multiple cancer specialties. She is looking forward to establishing her practice at the John Theurer Cancer Center, and to providing the highest quality of care to her patients.

Dr. Hellmann is board certified in both Obstetrics and Gynecology as well as Gynecologic Oncology.

  • Medical Education: SUNY Health Science Center at Brooklyn
  • Internship/Residency: Long Island Jewish Medical Center
  • Fellowship: SUNY Health Science Center at Brooklyn
  • Specialization: Gynecologic Oncology
  • Board Certification: Obstetrics and Gynecology, Gynecologic Oncology
  • Research Interests: Surgical innovation, clinical trials in gynecologic oncology
  • Membership: American Board of Obstetrics and Gynecology, Society of Gynecologic Oncology, Alpha Omega Alpha
  • Languages: English, Hebrew

Alan Skarbnik, MD

Alan Pierre Zausner Skarbnik, M.D. serves as a staff physician in both the Department of Bone Marrow Transplantation and the Department of Lymphoma at John Theurer Cancer Center.

Prior to joining John Theurer Cancer Center at Hackensack University Medical Center, Dr. Skarbnik was a clinical instructor in the Department of Hematology and Hematopoietic Cell Transplantation at the City of Hope National Medical Center in Duarte, California. Dr. Skarbnik also previously served as Chief Fellow of Medical Oncology and Hematology at Fox Chase Cancer Center and Temple University Hospital, and practiced at Columbia University College of Physicians and Surgeons/St. Luke’s-Roosevelt Medical Center in their internal medicine internship and residency after moving his medical career to the United States from his native Brazil.

Dr. Skarbnik has a rich research background, having served as a primary investigator at Fox Chase Cancer Center to identify biomarkers of sensitivity to mTOR inhibitors in renal cell cancer tumor samples, co-primary investigator in a Phase II study of Rituximab Intense Dosing with CHOP-21 in a 2011 ASCO/AACR workshop, and investigated the role of JAK mutations in the development of acute lymphoblastic leukemia at Memorial Sloan Kettering’s Human Oncopathogenesis Program. Dr. Skarbnik has also been extensively published and has participated in a number of presentations and poster sessions at major medical meetings.

Dr. Skarbnik specializes in hematology/oncology, and has extensive experience in a range of medical volunteer work conducted across the globe.

  • Medical Education: Universidade de Sao Paulo, Brazil
  • Residency: Columbia University College of Physicians and Surgeons/St. Luke’s-Roosevelt Medical Center, Internal Medicine Internship and Residency, 2007-2010. Hospital das Clinicas, University of Sao Paulo, Brazil, Internal Medicine Residency, 2005-2007.
  • Fellowships: City of Hope National Medical Center, Adult Hematopoietic Stem Cell Transplantation, 2013-2014. Fox Chase Cancer Center Chief Fellow 2012-2013. Fox Chase Cancer Center and Temple University Hospital, Medical Oncology and Hematology, 2010-2013.
  • Internship: Hospital das Clinicas, University of Sao Paulo, Brazil, 2002-2003.
  • Board Certifications: 2013 board-certified, American Board of Internal Medicine, Medical Oncology. 2013 board-certified, American Board of Internal Medicine, Hematology. 2010 board-certified, American Board of Internal Medicine, Internal Medicine. ACLS certification updated in 2013.
  • Honors/Awards: ASCO 2013 Merit Award. LeDor VaDor Award, presented by the President of Brazil of voluntary work. ASCO/AACR Vail Cancer Workshop selection – 2011.
  • Languages: English, Portuguese, Spanish
  • Hobbies/Interests: Multi-instrumentalist, has played in a Brazilian band

James K. McCloskey II, MD

James K. McCloskey II, M.D., works in the Division of Leukemia and the Adult Blood and Marrow Stem Cell Transplantation Program at John Theurer Cancer Center. Prior to his current position, Dr. McCloskey was a fellow in the Department of Hematology and Oncology at Georgetown University Hospital.

Dr. McCloskey has extensive research experience, serving as primary investigator in a Phase I/II non-randomized study of birinapant in combination with decitabine in patients with relapsed or refractory myelodysplastic syndrome and acute myelogenous leukemia, and was a primary investigator of cellular and molecular characterization of the immune response and minimal residual disease in patients who have completed treatment for acute myeloid leukemia. Dr. McCloskey has additionally presented a range of clinical work at major medical conferences, including MedStar Washington Hospital center multi-institutional lymphoma teleconference, Georgetown University Research Day and the Society of Comparative and Integrative Biology. Dr. McCloskey’s research has been published in the Journal of Coagulation Disorders, Advances in Clinical Oncology and Breast Cancer Research and Treatment.

Dr. McCloskey has deep roots in the philanthropic community; worked with the Lymphoma Research Foundation since 2011; and has volunteered with Food and Friends, a nonprofit that prepares and delivers meals and groceries to D.C. residents living with HIV/AIDS, cancer and other conditions since 2004.

  • Medical Education: Georgetown University School of Medicine
  • Residency: Georgetown University Hospital, Internal Medicine Resident, July 2009-2011
  • Fellowships: Chief Fellow, Department of Hematology and Oncology, Georgetown University Hospital, 2013-2014. Fellow, Department of Hematology and Oncology, Georgetown University Hospital, 2009-2013.
  • Internship: Georgetown University Hospital, Internal Medicine Intern, 2009-2011.
  • Board Certifications: 2014 board-eligible, Hematology and Oncology. 2011 board-certified, American Board of Internal Medicine.
  • Honors/Awards: Hematology Fellows Consortium Workshop, 2013. AACR/ASCO Methods of Cancer Research Workshop, 2013. Dr. Allen J. Goody Memorial Award for excellence in teaching, peer mentorship and personal integrity, Georgetown University Hospital, 2011.
  • Memberships: American Society of Clinical Oncology, American Association of Cancer Research, Housestaff Quality Council, Chemotherapy Utilization Committee, American Society of Hematology.

Samuel Singer, MD

Samuel Singer, M.D. is a neuro-oncologist at the Neurological Oncology Division – The Brain and Spine Institute at John Theurer Cancer Center. In addition to treating patients with primary brain tumors and brain metastases, he is also actively involved in research into novel therapies for these illnesses. Cancers and their treatments are frequently associated with an array of neurologic problems, including stroke, epilepsy, neuropathy and neurologic autoimmune disease, and Dr. Singer specializes in diagnosing and treating these conditions.

Prior to joining the John Theurer Cancer Center, Dr. Singer completed a fellowship in neuro-oncology at Memorial Sloan-Kettering Cancer Center and his residency in neurology at New York-Presbyterian Hospital/Weill Cornell Medical Center.

Dr. Singer is a member of the American Academy of Neurology, the American Society of Clinical Oncology and the Society for Neuro-Oncology. He is widely published in peer-reviewed journals, including Neurosurgery, Neurology, Stroke and The Oncologist.

  • Medical Education: Albert Einstein College of Medicine, Bronx, NY
  • Residency: New York-Presbyterian Hospital/Weill Cornell Medical Center, New York, NY
  • Fellowships: Memorial Sloan-Kettering Cancer Center, New York, NY
  • Board Certifications: Diplomate, American Board of Psychiatry and Neurology
  • Specializations: Neurology
  • Memberships:
    • Alpha Omega Alpha Medical Honor Society 2007
    • American Academy of Neurology, since 2009
    • American Society Clinical Oncology, since 2012
    • Society for Neuro-Oncology, since 2012
  • Languages Spoken: English, Hebrew

Noa Biran, MD

Noa Biran, MD, joined the Myeloma Division at John Theurer Cancer Center in September 2014.

Dr. Biran previously served as Chief Fellow of Hematology and Medical Oncology at Icahn School of Medicine at Mount Sinai, New York, where she also practiced in their internal medicine internship and residency. She received her medical degree from The George Washington University in Washington, D.C. As a fellow at Icahn School of Medicine, Dr. Biran participated in numerous lecture series and training sessions for medical students, residents, and nurse practitioners.

Dr. Biran is actively involved with clinical research focusing on multiple myeloma. She has presented a range of clinical work at international and national conferences such as the American Society of Hematology and the Society of Hematologic Oncology. She is widely published in hematology and oncology journals such as American Journal of Hematology, Current Hematologic Malignancy Reports, and The Hemophilia Report, with a research focus on high-risk multiple myeloma and the role of minimal residual disease in multiple myeloma. She has also co-authored a chapter in Essentials of Hospital Medicine: A Practical Guide for Clinicians, entitled “Oncologic Emergencies.” She is an active and valued member of the European Society for Medical Oncology, American Society of Clinical Oncology and American Society of Hematology.

Robert S. Alter, MD

Dr. Robert Alter specializes in medical oncology and hematology, and is board certified in internal medicine, medical oncology and hematology. For more than 15 years, Dr. Alter has been treating patients in the New Jersey community. Dr. Alter is actively involved in genitourinary and head and neck cancer research.

Dr. Alter received his medical degree from the University of Health Sciences/The Chicago Medical School. He completed his residency at St. Luke’s/Roosevelt Hospital Center, New York, New York in internal medicine and received his fellowship training at New York University Medical Center in hematology/oncology.

Dr. Alter holds an appointment at Hackensack University Medical Center. He is also the Chairman of the Transfusion Committee at St. Clare’s Hospital, and a member of the American Cancer Society.

Tracy Proverbs-Singh, MD MPH

Dr. Tracy Proverbs-Singh specializes in medical oncology and is board certified. She received her medical degree from University of Pittsburgh and completed her internal medicine residency at Mount Sinai Hospital.

Medical Education: University of Pittsburgh
Residency Internship: Mount Sinai Hospital
Certification: Internal Medicine
Languages: English

Lori Ann Leslie, MD

Dr. Lori Ann Leslie specializes in hematology and medical oncology. Her specific clinical and research interests include non-Hodgkin lymphoma, Hodgkin lymphoma, and chronic lymphocytic leukemia.

Dr. Leslie received her MD from Columbia University College of Physicians and Surgeons, and stayed at Columbia University for internal medicine residency. She completed fellowship training at The University of Texas M.D. Anderson Cancer Center, where she served as Chief Fellow. Born and raised in Morristown, NJ, Dr. Leslie is ecstatic about the opportunity to return to her home state and join the John Theurer Cancer Center.

  • Medical Education: Columbia University, College of Physicians and Surgeons.
  • Internal Medicine Internship and Residency: New York Presbyterian Hospital, Columbia University.
  • Hematology/Oncology Fellowship: The University of Texas, MD Anderson Cancer Center.
  • Board Certifications/Eligibility: Hematology and Medical Oncology board eligible in 2015, Internal Medicine board certified in 2012
  • Memberships: American Society of Clinical Oncology, American Society of Hematology
  • Specializations: Lymphoma and CLL
  • Research Interests: Lymphoma and CLL
  • Languages Spoken: English

Jamie Koprivnikar, MD

Dr. Jamie Koprvinikar specializes in hematology and medical oncology and is board certified in both. She also holds a board certification in internal medicine.

Dr. Koprivnikar received her medical degree from the Sidney Kimmel Medical College, formerly Jefferson Medical College of Thomas Jefferson University, in Philadelphia, PA. She completed her internal medicine residency at MedStar Georgetown University Medical Center in Washington, DC. She then completed a fellowship in hematology and oncology, also at MedStar Georgetown University Medical Center. She was chosen to serve as chief fellow during her third and final year of fellowship.

Dr. Koprivnikar spent the early part of her career on faculty at MedStar Georgetown University Medical Center where she was active in teaching medical students, residents, and fellows. She also served as the medical co-director of the Patient Blood Management Program and was active on the institutional review board and as an investigator on many clinical trials. She is a member of the American Society of Hematology.

  • Medical Education: Sidney Kimmel Medical College, Philadelphia, PA
  • Residency: MedStar Georgetown University Medical Center, Washington, DC
  • Fellowship: MedStar Georgetown University Medical Center, Washington, DC
  • Board Certifications: Hematology, oncology, internal medicine
  • Specializations: Hematology, medical oncology
  • Research Interests: Leukemia, myelodysplastic syndrome, myeloproliferative neoplasms, aplastic anemia
  • Memberships: American Society of Hematology
  • Languages Spoken: English

Mira Hellmann, MD

Dr. Mira Hellmann specializes in Gynecologic Oncology. She treats all subtypes of gynecologic cancers including uterus, cervix, fallopian tube, ovaries, primary peritoneal, vaginal and vulvar cancer. The scope of her surgical expertise includes both traditional open surgery, as well as minimally invasive surgery. She has extensive expertise in complex laparoscopic surgery as well as robotic surgery.

Her research focus is in clinical research, including cooperative group studies, both industry-sponsored and investigator-initiated. She enjoys having the opportunity to offer patients the possibility of participating in the most cutting edge research, if they are inclined to do so.

Dr. Hellmann received her MD at SUNY Downstate in Brooklyn, and is a lifelong member of AOA. She completed her residency on Long Island Jewish Medical Center, and returned to SUNY Downstate for her fellowship training. She maintained a faculty position in central New Jersey for eight years where she developed a robust practice in a short period of time. She was active in resident and student education. She also helped spearhead a minimally invasive center that was a comprehensive resource for minimally invasive surgeons across multiple cancer specialties. She is looking forward to establishing her practice at the John Theurer Cancer Center, and to providing the highest quality of care to her patients.

Dr. Hellmann is board certified in both Obstetrics and Gynecology as well as Gynecologic Oncology.

  • Medical Education: SUNY Health Science Center at Brooklyn
  • Internship/Residency: Long Island Jewish Medical Center
  • Fellowship: SUNY Health Science Center at Brooklyn
  • Specialization: Gynecologic Oncology
  • Board Certification: Obstetrics and Gynecology, Gynecologic Oncology
  • Research Interests: Surgical innovation, clinical trials in gynecologic oncology
  • Membership: American Board of Obstetrics and Gynecology, Society of Gynecologic Oncology, Alpha Omega Alpha
  • Languages: English, Hebrew

Alan Skarbnik, MD

Alan Pierre Zausner Skarbnik, M.D. serves as a staff physician in both the Department of Bone Marrow Transplantation and the Department of Lymphoma at John Theurer Cancer Center.

Prior to joining John Theurer Cancer Center at Hackensack University Medical Center, Dr. Skarbnik was a clinical instructor in the Department of Hematology and Hematopoietic Cell Transplantation at the City of Hope National Medical Center in Duarte, California. Dr. Skarbnik also previously served as Chief Fellow of Medical Oncology and Hematology at Fox Chase Cancer Center and Temple University Hospital, and practiced at Columbia University College of Physicians and Surgeons/St. Luke’s-Roosevelt Medical Center in their internal medicine internship and residency after moving his medical career to the United States from his native Brazil.

Dr. Skarbnik has a rich research background, having served as a primary investigator at Fox Chase Cancer Center to identify biomarkers of sensitivity to mTOR inhibitors in renal cell cancer tumor samples, co-primary investigator in a Phase II study of Rituximab Intense Dosing with CHOP-21 in a 2011 ASCO/AACR workshop, and investigated the role of JAK mutations in the development of acute lymphoblastic leukemia at Memorial Sloan Kettering’s Human Oncopathogenesis Program. Dr. Skarbnik has also been extensively published and has participated in a number of presentations and poster sessions at major medical meetings.

Dr. Skarbnik specializes in hematology/oncology, and has extensive experience in a range of medical volunteer work conducted across the globe.

  • Medical Education: Universidade de Sao Paulo, Brazil
  • Residency: Columbia University College of Physicians and Surgeons/St. Luke’s-Roosevelt Medical Center, Internal Medicine Internship and Residency, 2007-2010. Hospital das Clinicas, University of Sao Paulo, Brazil, Internal Medicine Residency, 2005-2007.
  • Fellowships: City of Hope National Medical Center, Adult Hematopoietic Stem Cell Transplantation, 2013-2014. Fox Chase Cancer Center Chief Fellow 2012-2013. Fox Chase Cancer Center and Temple University Hospital, Medical Oncology and Hematology, 2010-2013.
  • Internship: Hospital das Clinicas, University of Sao Paulo, Brazil, 2002-2003.
  • Board Certifications: 2013 board-certified, American Board of Internal Medicine, Medical Oncology. 2013 board-certified, American Board of Internal Medicine, Hematology. 2010 board-certified, American Board of Internal Medicine, Internal Medicine. ACLS certification updated in 2013.
  • Honors/Awards: ASCO 2013 Merit Award. LeDor VaDor Award, presented by the President of Brazil of voluntary work. ASCO/AACR Vail Cancer Workshop selection – 2011.
  • Languages: English, Portuguese, Spanish
  • Hobbies/Interests: Multi-instrumentalist, has played in a Brazilian band

James K. McCloskey II, MD

James K. McCloskey II, M.D., works in the Division of Leukemia and the Adult Blood and Marrow Stem Cell Transplantation Program at John Theurer Cancer Center. Prior to his current position, Dr. McCloskey was a fellow in the Department of Hematology and Oncology at Georgetown University Hospital.

Dr. McCloskey has extensive research experience, serving as primary investigator in a Phase I/II non-randomized study of birinapant in combination with decitabine in patients with relapsed or refractory myelodysplastic syndrome and acute myelogenous leukemia, and was a primary investigator of cellular and molecular characterization of the immune response and minimal residual disease in patients who have completed treatment for acute myeloid leukemia. Dr. McCloskey has additionally presented a range of clinical work at major medical conferences, including MedStar Washington Hospital center multi-institutional lymphoma teleconference, Georgetown University Research Day and the Society of Comparative and Integrative Biology. Dr. McCloskey’s research has been published in the Journal of Coagulation Disorders, Advances in Clinical Oncology and Breast Cancer Research and Treatment.

Dr. McCloskey has deep roots in the philanthropic community; worked with the Lymphoma Research Foundation since 2011; and has volunteered with Food and Friends, a nonprofit that prepares and delivers meals and groceries to D.C. residents living with HIV/AIDS, cancer and other conditions since 2004.

  • Medical Education: Georgetown University School of Medicine
  • Residency: Georgetown University Hospital, Internal Medicine Resident, July 2009-2011
  • Fellowships: Chief Fellow, Department of Hematology and Oncology, Georgetown University Hospital, 2013-2014. Fellow, Department of Hematology and Oncology, Georgetown University Hospital, 2009-2013.
  • Internship: Georgetown University Hospital, Internal Medicine Intern, 2009-2011.
  • Board Certifications: 2014 board-eligible, Hematology and Oncology. 2011 board-certified, American Board of Internal Medicine.
  • Honors/Awards: Hematology Fellows Consortium Workshop, 2013. AACR/ASCO Methods of Cancer Research Workshop, 2013. Dr. Allen J. Goody Memorial Award for excellence in teaching, peer mentorship and personal integrity, Georgetown University Hospital, 2011.
  • Memberships: American Society of Clinical Oncology, American Association of Cancer Research, Housestaff Quality Council, Chemotherapy Utilization Committee, American Society of Hematology.

Samuel Singer, MD

Samuel Singer, M.D. is a neuro-oncologist at the Neurological Oncology Division – The Brain and Spine Institute at John Theurer Cancer Center. In addition to treating patients with primary brain tumors and brain metastases, he is also actively involved in research into novel therapies for these illnesses. Cancers and their treatments are frequently associated with an array of neurologic problems, including stroke, epilepsy, neuropathy and neurologic autoimmune disease, and Dr. Singer specializes in diagnosing and treating these conditions.

Prior to joining the John Theurer Cancer Center, Dr. Singer completed a fellowship in neuro-oncology at Memorial Sloan-Kettering Cancer Center and his residency in neurology at New York-Presbyterian Hospital/Weill Cornell Medical Center.

Dr. Singer is a member of the American Academy of Neurology, the American Society of Clinical Oncology and the Society for Neuro-Oncology. He is widely published in peer-reviewed journals, including Neurosurgery, Neurology, Stroke and The Oncologist.

  • Medical Education: Albert Einstein College of Medicine, Bronx, NY
  • Residency: New York-Presbyterian Hospital/Weill Cornell Medical Center, New York, NY
  • Fellowships: Memorial Sloan-Kettering Cancer Center, New York, NY
  • Board Certifications: Diplomate, American Board of Psychiatry and Neurology
  • Specializations: Neurology
  • Memberships:
    • Alpha Omega Alpha Medical Honor Society 2007
    • American Academy of Neurology, since 2009
    • American Society Clinical Oncology, since 2012
    • Society for Neuro-Oncology, since 2012
  • Languages Spoken: English, Hebrew

Noa Biran, MD

Noa Biran, MD, joined the Myeloma Division at John Theurer Cancer Center in September 2014.

Dr. Biran previously served as Chief Fellow of Hematology and Medical Oncology at Icahn School of Medicine at Mount Sinai, New York, where she also practiced in their internal medicine internship and residency. She received her medical degree from The George Washington University in Washington, D.C. As a fellow at Icahn School of Medicine, Dr. Biran participated in numerous lecture series and training sessions for medical students, residents, and nurse practitioners.

Dr. Biran is actively involved with clinical research focusing on multiple myeloma. She has presented a range of clinical work at international and national conferences such as the American Society of Hematology and the Society of Hematologic Oncology. She is widely published in hematology and oncology journals such as American Journal of Hematology, Current Hematologic Malignancy Reports, and The Hemophilia Report, with a research focus on high-risk multiple myeloma and the role of minimal residual disease in multiple myeloma. She has also co-authored a chapter in Essentials of Hospital Medicine: A Practical Guide for Clinicians, entitled “Oncologic Emergencies.” She is an active and valued member of the European Society for Medical Oncology, American Society of Clinical Oncology and American Society of Hematology.

Robert S. Alter, MD

Dr. Robert Alter specializes in medical oncology and hematology, and is board certified in internal medicine, medical oncology and hematology. For more than 15 years, Dr. Alter has been treating patients in the New Jersey community. Dr. Alter is actively involved in genitourinary and head and neck cancer research.

Dr. Alter received his medical degree from the University of Health Sciences/The Chicago Medical School. He completed his residency at St. Luke’s/Roosevelt Hospital Center, New York, New York in internal medicine and received his fellowship training at New York University Medical Center in hematology/oncology.

Dr. Alter holds an appointment at Hackensack University Medical Center. He is also the Chairman of the Transfusion Committee at St. Clare’s Hospital, and a member of the American Cancer Society.

Tracy Proverbs-Singh, MD MPH

Dr. Tracy Proverbs-Singh specializes in medical oncology and is board certified. She received her medical degree from University of Pittsburgh and completed her internal medicine residency at Mount Sinai Hospital.

Medical Education: University of Pittsburgh
Residency Internship: Mount Sinai Hospital
Certification: Internal Medicine
Languages: English

Lori Ann Leslie, MD

Dr. Lori Ann Leslie specializes in hematology and medical oncology. Her specific clinical and research interests include non-Hodgkin lymphoma, Hodgkin lymphoma, and chronic lymphocytic leukemia.

Dr. Leslie received her MD from Columbia University College of Physicians and Surgeons, and stayed at Columbia University for internal medicine residency. She completed fellowship training at The University of Texas M.D. Anderson Cancer Center, where she served as Chief Fellow. Born and raised in Morristown, NJ, Dr. Leslie is ecstatic about the opportunity to return to her home state and join the John Theurer Cancer Center.

  • Medical Education: Columbia University, College of Physicians and Surgeons.
  • Internal Medicine Internship and Residency: New York Presbyterian Hospital, Columbia University.
  • Hematology/Oncology Fellowship: The University of Texas, MD Anderson Cancer Center.
  • Board Certifications/Eligibility: Hematology and Medical Oncology board eligible in 2015, Internal Medicine board certified in 2012
  • Memberships: American Society of Clinical Oncology, American Society of Hematology
  • Specializations: Lymphoma and CLL
  • Research Interests: Lymphoma and CLL
  • Languages Spoken: English

Jamie Koprivnikar, MD

Dr. Jamie Koprvinikar specializes in hematology and medical oncology and is board certified in both. She also holds a board certification in internal medicine.

Dr. Koprivnikar received her medical degree from the Sidney Kimmel Medical College, formerly Jefferson Medical College of Thomas Jefferson University, in Philadelphia, PA. She completed her internal medicine residency at MedStar Georgetown University Medical Center in Washington, DC. She then completed a fellowship in hematology and oncology, also at MedStar Georgetown University Medical Center. She was chosen to serve as chief fellow during her third and final year of fellowship.

Dr. Koprivnikar spent the early part of her career on faculty at MedStar Georgetown University Medical Center where she was active in teaching medical students, residents, and fellows. She also served as the medical co-director of the Patient Blood Management Program and was active on the institutional review board and as an investigator on many clinical trials. She is a member of the American Society of Hematology.

  • Medical Education: Sidney Kimmel Medical College, Philadelphia, PA
  • Residency: MedStar Georgetown University Medical Center, Washington, DC
  • Fellowship: MedStar Georgetown University Medical Center, Washington, DC
  • Board Certifications: Hematology, oncology, internal medicine
  • Specializations: Hematology, medical oncology
  • Research Interests: Leukemia, myelodysplastic syndrome, myeloproliferative neoplasms, aplastic anemia
  • Memberships: American Society of Hematology
  • Languages Spoken: English

Mira Hellmann, MD

Dr. Mira Hellmann specializes in Gynecologic Oncology. She treats all subtypes of gynecologic cancers including uterus, cervix, fallopian tube, ovaries, primary peritoneal, vaginal and vulvar cancer. The scope of her surgical expertise includes both traditional open surgery, as well as minimally invasive surgery. She has extensive expertise in complex laparoscopic surgery as well as robotic surgery.

Her research focus is in clinical research, including cooperative group studies, both industry-sponsored and investigator-initiated. She enjoys having the opportunity to offer patients the possibility of participating in the most cutting edge research, if they are inclined to do so.

Dr. Hellmann received her MD at SUNY Downstate in Brooklyn, and is a lifelong member of AOA. She completed her residency on Long Island Jewish Medical Center, and returned to SUNY Downstate for her fellowship training. She maintained a faculty position in central New Jersey for eight years where she developed a robust practice in a short period of time. She was active in resident and student education. She also helped spearhead a minimally invasive center that was a comprehensive resource for minimally invasive surgeons across multiple cancer specialties. She is looking forward to establishing her practice at the John Theurer Cancer Center, and to providing the highest quality of care to her patients.

Dr. Hellmann is board certified in both Obstetrics and Gynecology as well as Gynecologic Oncology.

  • Medical Education: SUNY Health Science Center at Brooklyn
  • Internship/Residency: Long Island Jewish Medical Center
  • Fellowship: SUNY Health Science Center at Brooklyn
  • Specialization: Gynecologic Oncology
  • Board Certification: Obstetrics and Gynecology, Gynecologic Oncology
  • Research Interests: Surgical innovation, clinical trials in gynecologic oncology
  • Membership: American Board of Obstetrics and Gynecology, Society of Gynecologic Oncology, Alpha Omega Alpha
  • Languages: English, Hebrew

Alan Skarbnik, MD

Alan Pierre Zausner Skarbnik, M.D. serves as a staff physician in both the Department of Bone Marrow Transplantation and the Department of Lymphoma at John Theurer Cancer Center.

Prior to joining John Theurer Cancer Center at Hackensack University Medical Center, Dr. Skarbnik was a clinical instructor in the Department of Hematology and Hematopoietic Cell Transplantation at the City of Hope National Medical Center in Duarte, California. Dr. Skarbnik also previously served as Chief Fellow of Medical Oncology and Hematology at Fox Chase Cancer Center and Temple University Hospital, and practiced at Columbia University College of Physicians and Surgeons/St. Luke’s-Roosevelt Medical Center in their internal medicine internship and residency after moving his medical career to the United States from his native Brazil.

Dr. Skarbnik has a rich research background, having served as a primary investigator at Fox Chase Cancer Center to identify biomarkers of sensitivity to mTOR inhibitors in renal cell cancer tumor samples, co-primary investigator in a Phase II study of Rituximab Intense Dosing with CHOP-21 in a 2011 ASCO/AACR workshop, and investigated the role of JAK mutations in the development of acute lymphoblastic leukemia at Memorial Sloan Kettering’s Human Oncopathogenesis Program. Dr. Skarbnik has also been extensively published and has participated in a number of presentations and poster sessions at major medical meetings.

Dr. Skarbnik specializes in hematology/oncology, and has extensive experience in a range of medical volunteer work conducted across the globe.

  • Medical Education: Universidade de Sao Paulo, Brazil
  • Residency: Columbia University College of Physicians and Surgeons/St. Luke’s-Roosevelt Medical Center, Internal Medicine Internship and Residency, 2007-2010. Hospital das Clinicas, University of Sao Paulo, Brazil, Internal Medicine Residency, 2005-2007.
  • Fellowships: City of Hope National Medical Center, Adult Hematopoietic Stem Cell Transplantation, 2013-2014. Fox Chase Cancer Center Chief Fellow 2012-2013. Fox Chase Cancer Center and Temple University Hospital, Medical Oncology and Hematology, 2010-2013.
  • Internship: Hospital das Clinicas, University of Sao Paulo, Brazil, 2002-2003.
  • Board Certifications: 2013 board-certified, American Board of Internal Medicine, Medical Oncology. 2013 board-certified, American Board of Internal Medicine, Hematology. 2010 board-certified, American Board of Internal Medicine, Internal Medicine. ACLS certification updated in 2013.
  • Honors/Awards: ASCO 2013 Merit Award. LeDor VaDor Award, presented by the President of Brazil of voluntary work. ASCO/AACR Vail Cancer Workshop selection – 2011.
  • Languages: English, Portuguese, Spanish
  • Hobbies/Interests: Multi-instrumentalist, has played in a Brazilian band

James K. McCloskey II, MD

James K. McCloskey II, M.D., works in the Division of Leukemia and the Adult Blood and Marrow Stem Cell Transplantation Program at John Theurer Cancer Center. Prior to his current position, Dr. McCloskey was a fellow in the Department of Hematology and Oncology at Georgetown University Hospital.

Dr. McCloskey has extensive research experience, serving as primary investigator in a Phase I/II non-randomized study of birinapant in combination with decitabine in patients with relapsed or refractory myelodysplastic syndrome and acute myelogenous leukemia, and was a primary investigator of cellular and molecular characterization of the immune response and minimal residual disease in patients who have completed treatment for acute myeloid leukemia. Dr. McCloskey has additionally presented a range of clinical work at major medical conferences, including MedStar Washington Hospital center multi-institutional lymphoma teleconference, Georgetown University Research Day and the Society of Comparative and Integrative Biology. Dr. McCloskey’s research has been published in the Journal of Coagulation Disorders, Advances in Clinical Oncology and Breast Cancer Research and Treatment.

Dr. McCloskey has deep roots in the philanthropic community; worked with the Lymphoma Research Foundation since 2011; and has volunteered with Food and Friends, a nonprofit that prepares and delivers meals and groceries to D.C. residents living with HIV/AIDS, cancer and other conditions since 2004.

  • Medical Education: Georgetown University School of Medicine
  • Residency: Georgetown University Hospital, Internal Medicine Resident, July 2009-2011
  • Fellowships: Chief Fellow, Department of Hematology and Oncology, Georgetown University Hospital, 2013-2014. Fellow, Department of Hematology and Oncology, Georgetown University Hospital, 2009-2013.
  • Internship: Georgetown University Hospital, Internal Medicine Intern, 2009-2011.
  • Board Certifications: 2014 board-eligible, Hematology and Oncology. 2011 board-certified, American Board of Internal Medicine.
  • Honors/Awards: Hematology Fellows Consortium Workshop, 2013. AACR/ASCO Methods of Cancer Research Workshop, 2013. Dr. Allen J. Goody Memorial Award for excellence in teaching, peer mentorship and personal integrity, Georgetown University Hospital, 2011.
  • Memberships: American Society of Clinical Oncology, American Association of Cancer Research, Housestaff Quality Council, Chemotherapy Utilization Committee, American Society of Hematology.

Samuel Singer, MD

Samuel Singer, M.D. is a neuro-oncologist at the Neurological Oncology Division – The Brain and Spine Institute at John Theurer Cancer Center. In addition to treating patients with primary brain tumors and brain metastases, he is also actively involved in research into novel therapies for these illnesses. Cancers and their treatments are frequently associated with an array of neurologic problems, including stroke, epilepsy, neuropathy and neurologic autoimmune disease, and Dr. Singer specializes in diagnosing and treating these conditions.

Prior to joining the John Theurer Cancer Center, Dr. Singer completed a fellowship in neuro-oncology at Memorial Sloan-Kettering Cancer Center and his residency in neurology at New York-Presbyterian Hospital/Weill Cornell Medical Center.

Dr. Singer is a member of the American Academy of Neurology, the American Society of Clinical Oncology and the Society for Neuro-Oncology. He is widely published in peer-reviewed journals, including Neurosurgery, Neurology, Stroke and The Oncologist.

  • Medical Education: Albert Einstein College of Medicine, Bronx, NY
  • Residency: New York-Presbyterian Hospital/Weill Cornell Medical Center, New York, NY
  • Fellowships: Memorial Sloan-Kettering Cancer Center, New York, NY
  • Board Certifications: Diplomate, American Board of Psychiatry and Neurology
  • Specializations: Neurology
  • Memberships:
    • Alpha Omega Alpha Medical Honor Society 2007
    • American Academy of Neurology, since 2009
    • American Society Clinical Oncology, since 2012
    • Society for Neuro-Oncology, since 2012
  • Languages Spoken: English, Hebrew

Noa Biran, MD

Noa Biran, MD, joined the Myeloma Division at John Theurer Cancer Center in September 2014.

Dr. Biran previously served as Chief Fellow of Hematology and Medical Oncology at Icahn School of Medicine at Mount Sinai, New York, where she also practiced in their internal medicine internship and residency. She received her medical degree from The George Washington University in Washington, D.C. As a fellow at Icahn School of Medicine, Dr. Biran participated in numerous lecture series and training sessions for medical students, residents, and nurse practitioners.

Dr. Biran is actively involved with clinical research focusing on multiple myeloma. She has presented a range of clinical work at international and national conferences such as the American Society of Hematology and the Society of Hematologic Oncology. She is widely published in hematology and oncology journals such as American Journal of Hematology, Current Hematologic Malignancy Reports, and The Hemophilia Report, with a research focus on high-risk multiple myeloma and the role of minimal residual disease in multiple myeloma. She has also co-authored a chapter in Essentials of Hospital Medicine: A Practical Guide for Clinicians, entitled “Oncologic Emergencies.” She is an active and valued member of the European Society for Medical Oncology, American Society of Clinical Oncology and American Society of Hematology.

Robert S. Alter, MD

Dr. Robert Alter specializes in medical oncology and hematology, and is board certified in internal medicine, medical oncology and hematology. For more than 15 years, Dr. Alter has been treating patients in the New Jersey community. Dr. Alter is actively involved in genitourinary and head and neck cancer research.

Dr. Alter received his medical degree from the University of Health Sciences/The Chicago Medical School. He completed his residency at St. Luke’s/Roosevelt Hospital Center, New York, New York in internal medicine and received his fellowship training at New York University Medical Center in hematology/oncology.

Dr. Alter holds an appointment at Hackensack University Medical Center. He is also the Chairman of the Transfusion Committee at St. Clare’s Hospital, and a member of the American Cancer Society.

Tracy Proverbs-Singh, MD MPH

Dr. Tracy Proverbs-Singh specializes in medical oncology and is board certified. She received her medical degree from University of Pittsburgh and completed her internal medicine residency at Mount Sinai Hospital.

Medical Education: University of Pittsburgh
Residency Internship: Mount Sinai Hospital
Certification: Internal Medicine
Languages: English

Lori Ann Leslie, MD

Dr. Lori Ann Leslie specializes in hematology and medical oncology. Her specific clinical and research interests include non-Hodgkin lymphoma, Hodgkin lymphoma, and chronic lymphocytic leukemia.

Dr. Leslie received her MD from Columbia University College of Physicians and Surgeons, and stayed at Columbia University for internal medicine residency. She completed fellowship training at The University of Texas M.D. Anderson Cancer Center, where she served as Chief Fellow. Born and raised in Morristown, NJ, Dr. Leslie is ecstatic about the opportunity to return to her home state and join the John Theurer Cancer Center.

  • Medical Education: Columbia University, College of Physicians and Surgeons.
  • Internal Medicine Internship and Residency: New York Presbyterian Hospital, Columbia University.
  • Hematology/Oncology Fellowship: The University of Texas, MD Anderson Cancer Center.
  • Board Certifications/Eligibility: Hematology and Medical Oncology board eligible in 2015, Internal Medicine board certified in 2012
  • Memberships: American Society of Clinical Oncology, American Society of Hematology
  • Specializations: Lymphoma and CLL
  • Research Interests: Lymphoma and CLL
  • Languages Spoken: English

Jamie Koprivnikar, MD

Dr. Jamie Koprvinikar specializes in hematology and medical oncology and is board certified in both. She also holds a board certification in internal medicine.

Dr. Koprivnikar received her medical degree from the Sidney Kimmel Medical College, formerly Jefferson Medical College of Thomas Jefferson University, in Philadelphia, PA. She completed her internal medicine residency at MedStar Georgetown University Medical Center in Washington, DC. She then completed a fellowship in hematology and oncology, also at MedStar Georgetown University Medical Center. She was chosen to serve as chief fellow during her third and final year of fellowship.

Dr. Koprivnikar spent the early part of her career on faculty at MedStar Georgetown University Medical Center where she was active in teaching medical students, residents, and fellows. She also served as the medical co-director of the Patient Blood Management Program and was active on the institutional review board and as an investigator on many clinical trials. She is a member of the American Society of Hematology.

  • Medical Education: Sidney Kimmel Medical College, Philadelphia, PA
  • Residency: MedStar Georgetown University Medical Center, Washington, DC
  • Fellowship: MedStar Georgetown University Medical Center, Washington, DC
  • Board Certifications: Hematology, oncology, internal medicine
  • Specializations: Hematology, medical oncology
  • Research Interests: Leukemia, myelodysplastic syndrome, myeloproliferative neoplasms, aplastic anemia
  • Memberships: American Society of Hematology
  • Languages Spoken: English

Mira Hellmann, MD

Dr. Mira Hellmann specializes in Gynecologic Oncology. She treats all subtypes of gynecologic cancers including uterus, cervix, fallopian tube, ovaries, primary peritoneal, vaginal and vulvar cancer. The scope of her surgical expertise includes both traditional open surgery, as well as minimally invasive surgery. She has extensive expertise in complex laparoscopic surgery as well as robotic surgery.

Her research focus is in clinical research, including cooperative group studies, both industry-sponsored and investigator-initiated. She enjoys having the opportunity to offer patients the possibility of participating in the most cutting edge research, if they are inclined to do so.

Dr. Hellmann received her MD at SUNY Downstate in Brooklyn, and is a lifelong member of AOA. She completed her residency on Long Island Jewish Medical Center, and returned to SUNY Downstate for her fellowship training. She maintained a faculty position in central New Jersey for eight years where she developed a robust practice in a short period of time. She was active in resident and student education. She also helped spearhead a minimally invasive center that was a comprehensive resource for minimally invasive surgeons across multiple cancer specialties. She is looking forward to establishing her practice at the John Theurer Cancer Center, and to providing the highest quality of care to her patients.

Dr. Hellmann is board certified in both Obstetrics and Gynecology as well as Gynecologic Oncology.

  • Medical Education: SUNY Health Science Center at Brooklyn
  • Internship/Residency: Long Island Jewish Medical Center
  • Fellowship: SUNY Health Science Center at Brooklyn
  • Specialization: Gynecologic Oncology
  • Board Certification: Obstetrics and Gynecology, Gynecologic Oncology
  • Research Interests: Surgical innovation, clinical trials in gynecologic oncology
  • Membership: American Board of Obstetrics and Gynecology, Society of Gynecologic Oncology, Alpha Omega Alpha
  • Languages: English, Hebrew

Alan Skarbnik, MD

Alan Pierre Zausner Skarbnik, M.D. serves as a staff physician in both the Department of Bone Marrow Transplantation and the Department of Lymphoma at John Theurer Cancer Center.

Prior to joining John Theurer Cancer Center at Hackensack University Medical Center, Dr. Skarbnik was a clinical instructor in the Department of Hematology and Hematopoietic Cell Transplantation at the City of Hope National Medical Center in Duarte, California. Dr. Skarbnik also previously served as Chief Fellow of Medical Oncology and Hematology at Fox Chase Cancer Center and Temple University Hospital, and practiced at Columbia University College of Physicians and Surgeons/St. Luke’s-Roosevelt Medical Center in their internal medicine internship and residency after moving his medical career to the United States from his native Brazil.

Dr. Skarbnik has a rich research background, having served as a primary investigator at Fox Chase Cancer Center to identify biomarkers of sensitivity to mTOR inhibitors in renal cell cancer tumor samples, co-primary investigator in a Phase II study of Rituximab Intense Dosing with CHOP-21 in a 2011 ASCO/AACR workshop, and investigated the role of JAK mutations in the development of acute lymphoblastic leukemia at Memorial Sloan Kettering’s Human Oncopathogenesis Program. Dr. Skarbnik has also been extensively published and has participated in a number of presentations and poster sessions at major medical meetings.

Dr. Skarbnik specializes in hematology/oncology, and has extensive experience in a range of medical volunteer work conducted across the globe.

  • Medical Education: Universidade de Sao Paulo, Brazil
  • Residency: Columbia University College of Physicians and Surgeons/St. Luke’s-Roosevelt Medical Center, Internal Medicine Internship and Residency, 2007-2010. Hospital das Clinicas, University of Sao Paulo, Brazil, Internal Medicine Residency, 2005-2007.
  • Fellowships: City of Hope National Medical Center, Adult Hematopoietic Stem Cell Transplantation, 2013-2014. Fox Chase Cancer Center Chief Fellow 2012-2013. Fox Chase Cancer Center and Temple University Hospital, Medical Oncology and Hematology, 2010-2013.
  • Internship: Hospital das Clinicas, University of Sao Paulo, Brazil, 2002-2003.
  • Board Certifications: 2013 board-certified, American Board of Internal Medicine, Medical Oncology. 2013 board-certified, American Board of Internal Medicine, Hematology. 2010 board-certified, American Board of Internal Medicine, Internal Medicine. ACLS certification updated in 2013.
  • Honors/Awards: ASCO 2013 Merit Award. LeDor VaDor Award, presented by the President of Brazil of voluntary work. ASCO/AACR Vail Cancer Workshop selection – 2011.
  • Languages: English, Portuguese, Spanish
  • Hobbies/Interests: Multi-instrumentalist, has played in a Brazilian band

James K. McCloskey II, MD

James K. McCloskey II, M.D., works in the Division of Leukemia and the Adult Blood and Marrow Stem Cell Transplantation Program at John Theurer Cancer Center. Prior to his current position, Dr. McCloskey was a fellow in the Department of Hematology and Oncology at Georgetown University Hospital.

Dr. McCloskey has extensive research experience, serving as primary investigator in a Phase I/II non-randomized study of birinapant in combination with decitabine in patients with relapsed or refractory myelodysplastic syndrome and acute myelogenous leukemia, and was a primary investigator of cellular and molecular characterization of the immune response and minimal residual disease in patients who have completed treatment for acute myeloid leukemia. Dr. McCloskey has additionally presented a range of clinical work at major medical conferences, including MedStar Washington Hospital center multi-institutional lymphoma teleconference, Georgetown University Research Day and the Society of Comparative and Integrative Biology. Dr. McCloskey’s research has been published in the Journal of Coagulation Disorders, Advances in Clinical Oncology and Breast Cancer Research and Treatment.

Dr. McCloskey has deep roots in the philanthropic community; worked with the Lymphoma Research Foundation since 2011; and has volunteered with Food and Friends, a nonprofit that prepares and delivers meals and groceries to D.C. residents living with HIV/AIDS, cancer and other conditions since 2004.

  • Medical Education: Georgetown University School of Medicine
  • Residency: Georgetown University Hospital, Internal Medicine Resident, July 2009-2011
  • Fellowships: Chief Fellow, Department of Hematology and Oncology, Georgetown University Hospital, 2013-2014. Fellow, Department of Hematology and Oncology, Georgetown University Hospital, 2009-2013.
  • Internship: Georgetown University Hospital, Internal Medicine Intern, 2009-2011.
  • Board Certifications: 2014 board-eligible, Hematology and Oncology. 2011 board-certified, American Board of Internal Medicine.
  • Honors/Awards: Hematology Fellows Consortium Workshop, 2013. AACR/ASCO Methods of Cancer Research Workshop, 2013. Dr. Allen J. Goody Memorial Award for excellence in teaching, peer mentorship and personal integrity, Georgetown University Hospital, 2011.
  • Memberships: American Society of Clinical Oncology, American Association of Cancer Research, Housestaff Quality Council, Chemotherapy Utilization Committee, American Society of Hematology.

Samuel Singer, MD

Samuel Singer, M.D. is a neuro-oncologist at the Neurological Oncology Division – The Brain and Spine Institute at John Theurer Cancer Center. In addition to treating patients with primary brain tumors and brain metastases, he is also actively involved in research into novel therapies for these illnesses. Cancers and their treatments are frequently associated with an array of neurologic problems, including stroke, epilepsy, neuropathy and neurologic autoimmune disease, and Dr. Singer specializes in diagnosing and treating these conditions.

Prior to joining the John Theurer Cancer Center, Dr. Singer completed a fellowship in neuro-oncology at Memorial Sloan-Kettering Cancer Center and his residency in neurology at New York-Presbyterian Hospital/Weill Cornell Medical Center.

Dr. Singer is a member of the American Academy of Neurology, the American Society of Clinical Oncology and the Society for Neuro-Oncology. He is widely published in peer-reviewed journals, including Neurosurgery, Neurology, Stroke and The Oncologist.

  • Medical Education: Albert Einstein College of Medicine, Bronx, NY
  • Residency: New York-Presbyterian Hospital/Weill Cornell Medical Center, New York, NY
  • Fellowships: Memorial Sloan-Kettering Cancer Center, New York, NY
  • Board Certifications: Diplomate, American Board of Psychiatry and Neurology
  • Specializations: Neurology
  • Memberships:
    • Alpha Omega Alpha Medical Honor Society 2007
    • American Academy of Neurology, since 2009
    • American Society Clinical Oncology, since 2012
    • Society for Neuro-Oncology, since 2012
  • Languages Spoken: English, Hebrew

Noa Biran, MD

Noa Biran, MD, joined the Myeloma Division at John Theurer Cancer Center in September 2014.

Dr. Biran previously served as Chief Fellow of Hematology and Medical Oncology at Icahn School of Medicine at Mount Sinai, New York, where she also practiced in their internal medicine internship and residency. She received her medical degree from The George Washington University in Washington, D.C. As a fellow at Icahn School of Medicine, Dr. Biran participated in numerous lecture series and training sessions for medical students, residents, and nurse practitioners.

Dr. Biran is actively involved with clinical research focusing on multiple myeloma. She has presented a range of clinical work at international and national conferences such as the American Society of Hematology and the Society of Hematologic Oncology. She is widely published in hematology and oncology journals such as American Journal of Hematology, Current Hematologic Malignancy Reports, and The Hemophilia Report, with a research focus on high-risk multiple myeloma and the role of minimal residual disease in multiple myeloma. She has also co-authored a chapter in Essentials of Hospital Medicine: A Practical Guide for Clinicians, entitled “Oncologic Emergencies.” She is an active and valued member of the European Society for Medical Oncology, American Society of Clinical Oncology and American Society of Hematology.

Robert S. Alter, MD

Dr. Robert Alter specializes in medical oncology and hematology, and is board certified in internal medicine, medical oncology and hematology. For more than 15 years, Dr. Alter has been treating patients in the New Jersey community. Dr. Alter is actively involved in genitourinary and head and neck cancer research.

Dr. Alter received his medical degree from the University of Health Sciences/The Chicago Medical School. He completed his residency at St. Luke’s/Roosevelt Hospital Center, New York, New York in internal medicine and received his fellowship training at New York University Medical Center in hematology/oncology.

Dr. Alter holds an appointment at Hackensack University Medical Center. He is also the Chairman of the Transfusion Committee at St. Clare’s Hospital, and a member of the American Cancer Society.

Tracy Proverbs-Singh, MD MPH

Dr. Tracy Proverbs-Singh specializes in medical oncology and is board certified. She received her medical degree from University of Pittsburgh and completed her internal medicine residency at Mount Sinai Hospital.

Medical Education: University of Pittsburgh
Residency Internship: Mount Sinai Hospital
Certification: Internal Medicine
Languages: English

Lori Ann Leslie, MD

Dr. Lori Ann Leslie specializes in hematology and medical oncology. Her specific clinical and research interests include non-Hodgkin lymphoma, Hodgkin lymphoma, and chronic lymphocytic leukemia.

Dr. Leslie received her MD from Columbia University College of Physicians and Surgeons, and stayed at Columbia University for internal medicine residency. She completed fellowship training at The University of Texas M.D. Anderson Cancer Center, where she served as Chief Fellow. Born and raised in Morristown, NJ, Dr. Leslie is ecstatic about the opportunity to return to her home state and join the John Theurer Cancer Center.

  • Medical Education: Columbia University, College of Physicians and Surgeons.
  • Internal Medicine Internship and Residency: New York Presbyterian Hospital, Columbia University.
  • Hematology/Oncology Fellowship: The University of Texas, MD Anderson Cancer Center.
  • Board Certifications/Eligibility: Hematology and Medical Oncology board eligible in 2015, Internal Medicine board certified in 2012
  • Memberships: American Society of Clinical Oncology, American Society of Hematology
  • Specializations: Lymphoma and CLL
  • Research Interests: Lymphoma and CLL
  • Languages Spoken: English

Jamie Koprivnikar, MD

Dr. Jamie Koprvinikar specializes in hematology and medical oncology and is board certified in both. She also holds a board certification in internal medicine.

Dr. Koprivnikar received her medical degree from the Sidney Kimmel Medical College, formerly Jefferson Medical College of Thomas Jefferson University, in Philadelphia, PA. She completed her internal medicine residency at MedStar Georgetown University Medical Center in Washington, DC. She then completed a fellowship in hematology and oncology, also at MedStar Georgetown University Medical Center. She was chosen to serve as chief fellow during her third and final year of fellowship.

Dr. Koprivnikar spent the early part of her career on faculty at MedStar Georgetown University Medical Center where she was active in teaching medical students, residents, and fellows. She also served as the medical co-director of the Patient Blood Management Program and was active on the institutional review board and as an investigator on many clinical trials. She is a member of the American Society of Hematology.

  • Medical Education: Sidney Kimmel Medical College, Philadelphia, PA
  • Residency: MedStar Georgetown University Medical Center, Washington, DC
  • Fellowship: MedStar Georgetown University Medical Center, Washington, DC
  • Board Certifications: Hematology, oncology, internal medicine
  • Specializations: Hematology, medical oncology
  • Research Interests: Leukemia, myelodysplastic syndrome, myeloproliferative neoplasms, aplastic anemia
  • Memberships: American Society of Hematology
  • Languages Spoken: English

Mira Hellmann, MD

Dr. Mira Hellmann specializes in Gynecologic Oncology. She treats all subtypes of gynecologic cancers including uterus, cervix, fallopian tube, ovaries, primary peritoneal, vaginal and vulvar cancer. The scope of her surgical expertise includes both traditional open surgery, as well as minimally invasive surgery. She has extensive expertise in complex laparoscopic surgery as well as robotic surgery.

Her research focus is in clinical research, including cooperative group studies, both industry-sponsored and investigator-initiated. She enjoys having the opportunity to offer patients the possibility of participating in the most cutting edge research, if they are inclined to do so.

Dr. Hellmann received her MD at SUNY Downstate in Brooklyn, and is a lifelong member of AOA. She completed her residency on Long Island Jewish Medical Center, and returned to SUNY Downstate for her fellowship training. She maintained a faculty position in central New Jersey for eight years where she developed a robust practice in a short period of time. She was active in resident and student education. She also helped spearhead a minimally invasive center that was a comprehensive resource for minimally invasive surgeons across multiple cancer specialties. She is looking forward to establishing her practice at the John Theurer Cancer Center, and to providing the highest quality of care to her patients.

Dr. Hellmann is board certified in both Obstetrics and Gynecology as well as Gynecologic Oncology.

  • Medical Education: SUNY Health Science Center at Brooklyn
  • Internship/Residency: Long Island Jewish Medical Center
  • Fellowship: SUNY Health Science Center at Brooklyn
  • Specialization: Gynecologic Oncology
  • Board Certification: Obstetrics and Gynecology, Gynecologic Oncology
  • Research Interests: Surgical innovation, clinical trials in gynecologic oncology
  • Membership: American Board of Obstetrics and Gynecology, Society of Gynecologic Oncology, Alpha Omega Alpha
  • Languages: English, Hebrew

Alan Skarbnik, MD

Alan Pierre Zausner Skarbnik, M.D. serves as a staff physician in both the Department of Bone Marrow Transplantation and the Department of Lymphoma at John Theurer Cancer Center.

Prior to joining John Theurer Cancer Center at Hackensack University Medical Center, Dr. Skarbnik was a clinical instructor in the Department of Hematology and Hematopoietic Cell Transplantation at the City of Hope National Medical Center in Duarte, California. Dr. Skarbnik also previously served as Chief Fellow of Medical Oncology and Hematology at Fox Chase Cancer Center and Temple University Hospital, and practiced at Columbia University College of Physicians and Surgeons/St. Luke’s-Roosevelt Medical Center in their internal medicine internship and residency after moving his medical career to the United States from his native Brazil.

Dr. Skarbnik has a rich research background, having served as a primary investigator at Fox Chase Cancer Center to identify biomarkers of sensitivity to mTOR inhibitors in renal cell cancer tumor samples, co-primary investigator in a Phase II study of Rituximab Intense Dosing with CHOP-21 in a 2011 ASCO/AACR workshop, and investigated the role of JAK mutations in the development of acute lymphoblastic leukemia at Memorial Sloan Kettering’s Human Oncopathogenesis Program. Dr. Skarbnik has also been extensively published and has participated in a number of presentations and poster sessions at major medical meetings.

Dr. Skarbnik specializes in hematology/oncology, and has extensive experience in a range of medical volunteer work conducted across the globe.

  • Medical Education: Universidade de Sao Paulo, Brazil
  • Residency: Columbia University College of Physicians and Surgeons/St. Luke’s-Roosevelt Medical Center, Internal Medicine Internship and Residency, 2007-2010. Hospital das Clinicas, University of Sao Paulo, Brazil, Internal Medicine Residency, 2005-2007.
  • Fellowships: City of Hope National Medical Center, Adult Hematopoietic Stem Cell Transplantation, 2013-2014. Fox Chase Cancer Center Chief Fellow 2012-2013. Fox Chase Cancer Center and Temple University Hospital, Medical Oncology and Hematology, 2010-2013.
  • Internship: Hospital das Clinicas, University of Sao Paulo, Brazil, 2002-2003.
  • Board Certifications: 2013 board-certified, American Board of Internal Medicine, Medical Oncology. 2013 board-certified, American Board of Internal Medicine, Hematology. 2010 board-certified, American Board of Internal Medicine, Internal Medicine. ACLS certification updated in 2013.
  • Honors/Awards: ASCO 2013 Merit Award. LeDor VaDor Award, presented by the President of Brazil of voluntary work. ASCO/AACR Vail Cancer Workshop selection – 2011.
  • Languages: English, Portuguese, Spanish
  • Hobbies/Interests: Multi-instrumentalist, has played in a Brazilian band

James K. McCloskey II, MD

James K. McCloskey II, M.D., works in the Division of Leukemia and the Adult Blood and Marrow Stem Cell Transplantation Program at John Theurer Cancer Center. Prior to his current position, Dr. McCloskey was a fellow in the Department of Hematology and Oncology at Georgetown University Hospital.

Dr. McCloskey has extensive research experience, serving as primary investigator in a Phase I/II non-randomized study of birinapant in combination with decitabine in patients with relapsed or refractory myelodysplastic syndrome and acute myelogenous leukemia, and was a primary investigator of cellular and molecular characterization of the immune response and minimal residual disease in patients who have completed treatment for acute myeloid leukemia. Dr. McCloskey has additionally presented a range of clinical work at major medical conferences, including MedStar Washington Hospital center multi-institutional lymphoma teleconference, Georgetown University Research Day and the Society of Comparative and Integrative Biology. Dr. McCloskey’s research has been published in the Journal of Coagulation Disorders, Advances in Clinical Oncology and Breast Cancer Research and Treatment.

Dr. McCloskey has deep roots in the philanthropic community; worked with the Lymphoma Research Foundation since 2011; and has volunteered with Food and Friends, a nonprofit that prepares and delivers meals and groceries to D.C. residents living with HIV/AIDS, cancer and other conditions since 2004.

  • Medical Education: Georgetown University School of Medicine
  • Residency: Georgetown University Hospital, Internal Medicine Resident, July 2009-2011
  • Fellowships: Chief Fellow, Department of Hematology and Oncology, Georgetown University Hospital, 2013-2014. Fellow, Department of Hematology and Oncology, Georgetown University Hospital, 2009-2013.
  • Internship: Georgetown University Hospital, Internal Medicine Intern, 2009-2011.
  • Board Certifications: 2014 board-eligible, Hematology and Oncology. 2011 board-certified, American Board of Internal Medicine.
  • Honors/Awards: Hematology Fellows Consortium Workshop, 2013. AACR/ASCO Methods of Cancer Research Workshop, 2013. Dr. Allen J. Goody Memorial Award for excellence in teaching, peer mentorship and personal integrity, Georgetown University Hospital, 2011.
  • Memberships: American Society of Clinical Oncology, American Association of Cancer Research, Housestaff Quality Council, Chemotherapy Utilization Committee, American Society of Hematology.

Samuel Singer, MD

Samuel Singer, M.D. is a neuro-oncologist at the Neurological Oncology Division – The Brain and Spine Institute at John Theurer Cancer Center. In addition to treating patients with primary brain tumors and brain metastases, he is also actively involved in research into novel therapies for these illnesses. Cancers and their treatments are frequently associated with an array of neurologic problems, including stroke, epilepsy, neuropathy and neurologic autoimmune disease, and Dr. Singer specializes in diagnosing and treating these conditions.

Prior to joining the John Theurer Cancer Center, Dr. Singer completed a fellowship in neuro-oncology at Memorial Sloan-Kettering Cancer Center and his residency in neurology at New York-Presbyterian Hospital/Weill Cornell Medical Center.

Dr. Singer is a member of the American Academy of Neurology, the American Society of Clinical Oncology and the Society for Neuro-Oncology. He is widely published in peer-reviewed journals, including Neurosurgery, Neurology, Stroke and The Oncologist.

  • Medical Education: Albert Einstein College of Medicine, Bronx, NY
  • Residency: New York-Presbyterian Hospital/Weill Cornell Medical Center, New York, NY
  • Fellowships: Memorial Sloan-Kettering Cancer Center, New York, NY
  • Board Certifications: Diplomate, American Board of Psychiatry and Neurology
  • Specializations: Neurology
  • Memberships:
    • Alpha Omega Alpha Medical Honor Society 2007
    • American Academy of Neurology, since 2009
    • American Society Clinical Oncology, since 2012
    • Society for Neuro-Oncology, since 2012
  • Languages Spoken: English, Hebrew

Noa Biran, MD

Noa Biran, MD, joined the Myeloma Division at John Theurer Cancer Center in September 2014.

Dr. Biran previously served as Chief Fellow of Hematology and Medical Oncology at Icahn School of Medicine at Mount Sinai, New York, where she also practiced in their internal medicine internship and residency. She received her medical degree from The George Washington University in Washington, D.C. As a fellow at Icahn School of Medicine, Dr. Biran participated in numerous lecture series and training sessions for medical students, residents, and nurse practitioners.

Dr. Biran is actively involved with clinical research focusing on multiple myeloma. She has presented a range of clinical work at international and national conferences such as the American Society of Hematology and the Society of Hematologic Oncology. She is widely published in hematology and oncology journals such as American Journal of Hematology, Current Hematologic Malignancy Reports, and The Hemophilia Report, with a research focus on high-risk multiple myeloma and the role of minimal residual disease in multiple myeloma. She has also co-authored a chapter in Essentials of Hospital Medicine: A Practical Guide for Clinicians, entitled “Oncologic Emergencies.” She is an active and valued member of the European Society for Medical Oncology, American Society of Clinical Oncology and American Society of Hematology.

Robert S. Alter, MD

Dr. Robert Alter specializes in medical oncology and hematology, and is board certified in internal medicine, medical oncology and hematology. For more than 15 years, Dr. Alter has been treating patients in the New Jersey community. Dr. Alter is actively involved in genitourinary and head and neck cancer research.

Dr. Alter received his medical degree from the University of Health Sciences/The Chicago Medical School. He completed his residency at St. Luke’s/Roosevelt Hospital Center, New York, New York in internal medicine and received his fellowship training at New York University Medical Center in hematology/oncology.

Dr. Alter holds an appointment at Hackensack University Medical Center. He is also the Chairman of the Transfusion Committee at St. Clare’s Hospital, and a member of the American Cancer Society.

Tracy Proverbs-Singh, MD MPH

Dr. Tracy Proverbs-Singh specializes in medical oncology and is board certified. She received her medical degree from University of Pittsburgh and completed her internal medicine residency at Mount Sinai Hospital.

Medical Education: University of Pittsburgh
Residency Internship: Mount Sinai Hospital
Certification: Internal Medicine
Languages: English

Lori Ann Leslie, MD

Dr. Lori Ann Leslie specializes in hematology and medical oncology. Her specific clinical and research interests include non-Hodgkin lymphoma, Hodgkin lymphoma, and chronic lymphocytic leukemia.

Dr. Leslie received her MD from Columbia University College of Physicians and Surgeons, and stayed at Columbia University for internal medicine residency. She completed fellowship training at The University of Texas M.D. Anderson Cancer Center, where she served as Chief Fellow. Born and raised in Morristown, NJ, Dr. Leslie is ecstatic about the opportunity to return to her home state and join the John Theurer Cancer Center.

  • Medical Education: Columbia University, College of Physicians and Surgeons.
  • Internal Medicine Internship and Residency: New York Presbyterian Hospital, Columbia University.
  • Hematology/Oncology Fellowship: The University of Texas, MD Anderson Cancer Center.
  • Board Certifications/Eligibility: Hematology and Medical Oncology board eligible in 2015, Internal Medicine board certified in 2012
  • Memberships: American Society of Clinical Oncology, American Society of Hematology
  • Specializations: Lymphoma and CLL
  • Research Interests: Lymphoma and CLL
  • Languages Spoken: English

Jamie Koprivnikar, MD

Dr. Jamie Koprvinikar specializes in hematology and medical oncology and is board certified in both. She also holds a board certification in internal medicine.

Dr. Koprivnikar received her medical degree from the Sidney Kimmel Medical College, formerly Jefferson Medical College of Thomas Jefferson University, in Philadelphia, PA. She completed her internal medicine residency at MedStar Georgetown University Medical Center in Washington, DC. She then completed a fellowship in hematology and oncology, also at MedStar Georgetown University Medical Center. She was chosen to serve as chief fellow during her third and final year of fellowship.

Dr. Koprivnikar spent the early part of her career on faculty at MedStar Georgetown University Medical Center where she was active in teaching medical students, residents, and fellows. She also served as the medical co-director of the Patient Blood Management Program and was active on the institutional review board and as an investigator on many clinical trials. She is a member of the American Society of Hematology.

  • Medical Education: Sidney Kimmel Medical College, Philadelphia, PA
  • Residency: MedStar Georgetown University Medical Center, Washington, DC
  • Fellowship: MedStar Georgetown University Medical Center, Washington, DC
  • Board Certifications: Hematology, oncology, internal medicine
  • Specializations: Hematology, medical oncology
  • Research Interests: Leukemia, myelodysplastic syndrome, myeloproliferative neoplasms, aplastic anemia
  • Memberships: American Society of Hematology
  • Languages Spoken: English

Mira Hellmann, MD

Dr. Mira Hellmann specializes in Gynecologic Oncology. She treats all subtypes of gynecologic cancers including uterus, cervix, fallopian tube, ovaries, primary peritoneal, vaginal and vulvar cancer. The scope of her surgical expertise includes both traditional open surgery, as well as minimally invasive surgery. She has extensive expertise in complex laparoscopic surgery as well as robotic surgery.

Her research focus is in clinical research, including cooperative group studies, both industry-sponsored and investigator-initiated. She enjoys having the opportunity to offer patients the possibility of participating in the most cutting edge research, if they are inclined to do so.

Dr. Hellmann received her MD at SUNY Downstate in Brooklyn, and is a lifelong member of AOA. She completed her residency on Long Island Jewish Medical Center, and returned to SUNY Downstate for her fellowship training. She maintained a faculty position in central New Jersey for eight years where she developed a robust practice in a short period of time. She was active in resident and student education. She also helped spearhead a minimally invasive center that was a comprehensive resource for minimally invasive surgeons across multiple cancer specialties. She is looking forward to establishing her practice at the John Theurer Cancer Center, and to providing the highest quality of care to her patients.

Dr. Hellmann is board certified in both Obstetrics and Gynecology as well as Gynecologic Oncology.

  • Medical Education: SUNY Health Science Center at Brooklyn
  • Internship/Residency: Long Island Jewish Medical Center
  • Fellowship: SUNY Health Science Center at Brooklyn
  • Specialization: Gynecologic Oncology
  • Board Certification: Obstetrics and Gynecology, Gynecologic Oncology
  • Research Interests: Surgical innovation, clinical trials in gynecologic oncology
  • Membership: American Board of Obstetrics and Gynecology, Society of Gynecologic Oncology, Alpha Omega Alpha
  • Languages: English, Hebrew

Alan Skarbnik, MD

Alan Pierre Zausner Skarbnik, M.D. serves as a staff physician in both the Department of Bone Marrow Transplantation and the Department of Lymphoma at John Theurer Cancer Center.

Prior to joining John Theurer Cancer Center at Hackensack University Medical Center, Dr. Skarbnik was a clinical instructor in the Department of Hematology and Hematopoietic Cell Transplantation at the City of Hope National Medical Center in Duarte, California. Dr. Skarbnik also previously served as Chief Fellow of Medical Oncology and Hematology at Fox Chase Cancer Center and Temple University Hospital, and practiced at Columbia University College of Physicians and Surgeons/St. Luke’s-Roosevelt Medical Center in their internal medicine internship and residency after moving his medical career to the United States from his native Brazil.

Dr. Skarbnik has a rich research background, having served as a primary investigator at Fox Chase Cancer Center to identify biomarkers of sensitivity to mTOR inhibitors in renal cell cancer tumor samples, co-primary investigator in a Phase II study of Rituximab Intense Dosing with CHOP-21 in a 2011 ASCO/AACR workshop, and investigated the role of JAK mutations in the development of acute lymphoblastic leukemia at Memorial Sloan Kettering’s Human Oncopathogenesis Program. Dr. Skarbnik has also been extensively published and has participated in a number of presentations and poster sessions at major medical meetings.

Dr. Skarbnik specializes in hematology/oncology, and has extensive experience in a range of medical volunteer work conducted across the globe.

  • Medical Education: Universidade de Sao Paulo, Brazil
  • Residency: Columbia University College of Physicians and Surgeons/St. Luke’s-Roosevelt Medical Center, Internal Medicine Internship and Residency, 2007-2010. Hospital das Clinicas, University of Sao Paulo, Brazil, Internal Medicine Residency, 2005-2007.
  • Fellowships: City of Hope National Medical Center, Adult Hematopoietic Stem Cell Transplantation, 2013-2014. Fox Chase Cancer Center Chief Fellow 2012-2013. Fox Chase Cancer Center and Temple University Hospital, Medical Oncology and Hematology, 2010-2013.
  • Internship: Hospital das Clinicas, University of Sao Paulo, Brazil, 2002-2003.
  • Board Certifications: 2013 board-certified, American Board of Internal Medicine, Medical Oncology. 2013 board-certified, American Board of Internal Medicine, Hematology. 2010 board-certified, American Board of Internal Medicine, Internal Medicine. ACLS certification updated in 2013.
  • Honors/Awards: ASCO 2013 Merit Award. LeDor VaDor Award, presented by the President of Brazil of voluntary work. ASCO/AACR Vail Cancer Workshop selection – 2011.
  • Languages: English, Portuguese, Spanish
  • Hobbies/Interests: Multi-instrumentalist, has played in a Brazilian band

James K. McCloskey II, MD

James K. McCloskey II, M.D., works in the Division of Leukemia and the Adult Blood and Marrow Stem Cell Transplantation Program at John Theurer Cancer Center. Prior to his current position, Dr. McCloskey was a fellow in the Department of Hematology and Oncology at Georgetown University Hospital.

Dr. McCloskey has extensive research experience, serving as primary investigator in a Phase I/II non-randomized study of birinapant in combination with decitabine in patients with relapsed or refractory myelodysplastic syndrome and acute myelogenous leukemia, and was a primary investigator of cellular and molecular characterization of the immune response and minimal residual disease in patients who have completed treatment for acute myeloid leukemia. Dr. McCloskey has additionally presented a range of clinical work at major medical conferences, including MedStar Washington Hospital center multi-institutional lymphoma teleconference, Georgetown University Research Day and the Society of Comparative and Integrative Biology. Dr. McCloskey’s research has been published in the Journal of Coagulation Disorders, Advances in Clinical Oncology and Breast Cancer Research and Treatment.

Dr. McCloskey has deep roots in the philanthropic community; worked with the Lymphoma Research Foundation since 2011; and has volunteered with Food and Friends, a nonprofit that prepares and delivers meals and groceries to D.C. residents living with HIV/AIDS, cancer and other conditions since 2004.

  • Medical Education: Georgetown University School of Medicine
  • Residency: Georgetown University Hospital, Internal Medicine Resident, July 2009-2011
  • Fellowships: Chief Fellow, Department of Hematology and Oncology, Georgetown University Hospital, 2013-2014. Fellow, Department of Hematology and Oncology, Georgetown University Hospital, 2009-2013.
  • Internship: Georgetown University Hospital, Internal Medicine Intern, 2009-2011.
  • Board Certifications: 2014 board-eligible, Hematology and Oncology. 2011 board-certified, American Board of Internal Medicine.
  • Honors/Awards: Hematology Fellows Consortium Workshop, 2013. AACR/ASCO Methods of Cancer Research Workshop, 2013. Dr. Allen J. Goody Memorial Award for excellence in teaching, peer mentorship and personal integrity, Georgetown University Hospital, 2011.
  • Memberships: American Society of Clinical Oncology, American Association of Cancer Research, Housestaff Quality Council, Chemotherapy Utilization Committee, American Society of Hematology.

Samuel Singer, MD

Samuel Singer, M.D. is a neuro-oncologist at the Neurological Oncology Division – The Brain and Spine Institute at John Theurer Cancer Center. In addition to treating patients with primary brain tumors and brain metastases, he is also actively involved in research into novel therapies for these illnesses. Cancers and their treatments are frequently associated with an array of neurologic problems, including stroke, epilepsy, neuropathy and neurologic autoimmune disease, and Dr. Singer specializes in diagnosing and treating these conditions.

Prior to joining the John Theurer Cancer Center, Dr. Singer completed a fellowship in neuro-oncology at Memorial Sloan-Kettering Cancer Center and his residency in neurology at New York-Presbyterian Hospital/Weill Cornell Medical Center.

Dr. Singer is a member of the American Academy of Neurology, the American Society of Clinical Oncology and the Society for Neuro-Oncology. He is widely published in peer-reviewed journals, including Neurosurgery, Neurology, Stroke and The Oncologist.

  • Medical Education: Albert Einstein College of Medicine, Bronx, NY
  • Residency: New York-Presbyterian Hospital/Weill Cornell Medical Center, New York, NY
  • Fellowships: Memorial Sloan-Kettering Cancer Center, New York, NY
  • Board Certifications: Diplomate, American Board of Psychiatry and Neurology
  • Specializations: Neurology
  • Memberships:
    • Alpha Omega Alpha Medical Honor Society 2007
    • American Academy of Neurology, since 2009
    • American Society Clinical Oncology, since 2012
    • Society for Neuro-Oncology, since 2012
  • Languages Spoken: English, Hebrew

Noa Biran, MD

Noa Biran, MD, joined the Myeloma Division at John Theurer Cancer Center in September 2014.

Dr. Biran previously served as Chief Fellow of Hematology and Medical Oncology at Icahn School of Medicine at Mount Sinai, New York, where she also practiced in their internal medicine internship and residency. She received her medical degree from The George Washington University in Washington, D.C. As a fellow at Icahn School of Medicine, Dr. Biran participated in numerous lecture series and training sessions for medical students, residents, and nurse practitioners.

Dr. Biran is actively involved with clinical research focusing on multiple myeloma. She has presented a range of clinical work at international and national conferences such as the American Society of Hematology and the Society of Hematologic Oncology. She is widely published in hematology and oncology journals such as American Journal of Hematology, Current Hematologic Malignancy Reports, and The Hemophilia Report, with a research focus on high-risk multiple myeloma and the role of minimal residual disease in multiple myeloma. She has also co-authored a chapter in Essentials of Hospital Medicine: A Practical Guide for Clinicians, entitled “Oncologic Emergencies.” She is an active and valued member of the European Society for Medical Oncology, American Society of Clinical Oncology and American Society of Hematology.

Robert S. Alter, MD

Dr. Robert Alter specializes in medical oncology and hematology, and is board certified in internal medicine, medical oncology and hematology. For more than 15 years, Dr. Alter has been treating patients in the New Jersey community. Dr. Alter is actively involved in genitourinary and head and neck cancer research.

Dr. Alter received his medical degree from the University of Health Sciences/The Chicago Medical School. He completed his residency at St. Luke’s/Roosevelt Hospital Center, New York, New York in internal medicine and received his fellowship training at New York University Medical Center in hematology/oncology.

Dr. Alter holds an appointment at Hackensack University Medical Center. He is also the Chairman of the Transfusion Committee at St. Clare’s Hospital, and a member of the American Cancer Society.

Tracy Proverbs-Singh, MD MPH

Dr. Tracy Proverbs-Singh specializes in medical oncology and is board certified. She received her medical degree from University of Pittsburgh and completed her internal medicine residency at Mount Sinai Hospital.

Medical Education: University of Pittsburgh
Residency Internship: Mount Sinai Hospital
Certification: Internal Medicine
Languages: English

Lori Ann Leslie, MD

Dr. Lori Ann Leslie specializes in hematology and medical oncology. Her specific clinical and research interests include non-Hodgkin lymphoma, Hodgkin lymphoma, and chronic lymphocytic leukemia.

Dr. Leslie received her MD from Columbia University College of Physicians and Surgeons, and stayed at Columbia University for internal medicine residency. She completed fellowship training at The University of Texas M.D. Anderson Cancer Center, where she served as Chief Fellow. Born and raised in Morristown, NJ, Dr. Leslie is ecstatic about the opportunity to return to her home state and join the John Theurer Cancer Center.

  • Medical Education: Columbia University, College of Physicians and Surgeons.
  • Internal Medicine Internship and Residency: New York Presbyterian Hospital, Columbia University.
  • Hematology/Oncology Fellowship: The University of Texas, MD Anderson Cancer Center.
  • Board Certifications/Eligibility: Hematology and Medical Oncology board eligible in 2015, Internal Medicine board certified in 2012
  • Memberships: American Society of Clinical Oncology, American Society of Hematology
  • Specializations: Lymphoma and CLL
  • Research Interests: Lymphoma and CLL
  • Languages Spoken: English

Jamie Koprivnikar, MD

Dr. Jamie Koprvinikar specializes in hematology and medical oncology and is board certified in both. She also holds a board certification in internal medicine.

Dr. Koprivnikar received her medical degree from the Sidney Kimmel Medical College, formerly Jefferson Medical College of Thomas Jefferson University, in Philadelphia, PA. She completed her internal medicine residency at MedStar Georgetown University Medical Center in Washington, DC. She then completed a fellowship in hematology and oncology, also at MedStar Georgetown University Medical Center. She was chosen to serve as chief fellow during her third and final year of fellowship.

Dr. Koprivnikar spent the early part of her career on faculty at MedStar Georgetown University Medical Center where she was active in teaching medical students, residents, and fellows. She also served as the medical co-director of the Patient Blood Management Program and was active on the institutional review board and as an investigator on many clinical trials. She is a member of the American Society of Hematology.

  • Medical Education: Sidney Kimmel Medical College, Philadelphia, PA
  • Residency: MedStar Georgetown University Medical Center, Washington, DC
  • Fellowship: MedStar Georgetown University Medical Center, Washington, DC
  • Board Certifications: Hematology, oncology, internal medicine
  • Specializations: Hematology, medical oncology
  • Research Interests: Leukemia, myelodysplastic syndrome, myeloproliferative neoplasms, aplastic anemia
  • Memberships: American Society of Hematology
  • Languages Spoken: English

Mira Hellmann, MD

Dr. Mira Hellmann specializes in Gynecologic Oncology. She treats all subtypes of gynecologic cancers including uterus, cervix, fallopian tube, ovaries, primary peritoneal, vaginal and vulvar cancer. The scope of her surgical expertise includes both traditional open surgery, as well as minimally invasive surgery. She has extensive expertise in complex laparoscopic surgery as well as robotic surgery.

Her research focus is in clinical research, including cooperative group studies, both industry-sponsored and investigator-initiated. She enjoys having the opportunity to offer patients the possibility of participating in the most cutting edge research, if they are inclined to do so.

Dr. Hellmann received her MD at SUNY Downstate in Brooklyn, and is a lifelong member of AOA. She completed her residency on Long Island Jewish Medical Center, and returned to SUNY Downstate for her fellowship training. She maintained a faculty position in central New Jersey for eight years where she developed a robust practice in a short period of time. She was active in resident and student education. She also helped spearhead a minimally invasive center that was a comprehensive resource for minimally invasive surgeons across multiple cancer specialties. She is looking forward to establishing her practice at the John Theurer Cancer Center, and to providing the highest quality of care to her patients.

Dr. Hellmann is board certified in both Obstetrics and Gynecology as well as Gynecologic Oncology.

  • Medical Education: SUNY Health Science Center at Brooklyn
  • Internship/Residency: Long Island Jewish Medical Center
  • Fellowship: SUNY Health Science Center at Brooklyn
  • Specialization: Gynecologic Oncology
  • Board Certification: Obstetrics and Gynecology, Gynecologic Oncology
  • Research Interests: Surgical innovation, clinical trials in gynecologic oncology
  • Membership: American Board of Obstetrics and Gynecology, Society of Gynecologic Oncology, Alpha Omega Alpha
  • Languages: English, Hebrew

Alan Skarbnik, MD

Alan Pierre Zausner Skarbnik, M.D. serves as a staff physician in both the Department of Bone Marrow Transplantation and the Department of Lymphoma at John Theurer Cancer Center.

Prior to joining John Theurer Cancer Center at Hackensack University Medical Center, Dr. Skarbnik was a clinical instructor in the Department of Hematology and Hematopoietic Cell Transplantation at the City of Hope National Medical Center in Duarte, California. Dr. Skarbnik also previously served as Chief Fellow of Medical Oncology and Hematology at Fox Chase Cancer Center and Temple University Hospital, and practiced at Columbia University College of Physicians and Surgeons/St. Luke’s-Roosevelt Medical Center in their internal medicine internship and residency after moving his medical career to the United States from his native Brazil.

Dr. Skarbnik has a rich research background, having served as a primary investigator at Fox Chase Cancer Center to identify biomarkers of sensitivity to mTOR inhibitors in renal cell cancer tumor samples, co-primary investigator in a Phase II study of Rituximab Intense Dosing with CHOP-21 in a 2011 ASCO/AACR workshop, and investigated the role of JAK mutations in the development of acute lymphoblastic leukemia at Memorial Sloan Kettering’s Human Oncopathogenesis Program. Dr. Skarbnik has also been extensively published and has participated in a number of presentations and poster sessions at major medical meetings.

Dr. Skarbnik specializes in hematology/oncology, and has extensive experience in a range of medical volunteer work conducted across the globe.

  • Medical Education: Universidade de Sao Paulo, Brazil
  • Residency: Columbia University College of Physicians and Surgeons/St. Luke’s-Roosevelt Medical Center, Internal Medicine Internship and Residency, 2007-2010. Hospital das Clinicas, University of Sao Paulo, Brazil, Internal Medicine Residency, 2005-2007.
  • Fellowships: City of Hope National Medical Center, Adult Hematopoietic Stem Cell Transplantation, 2013-2014. Fox Chase Cancer Center Chief Fellow 2012-2013. Fox Chase Cancer Center and Temple University Hospital, Medical Oncology and Hematology, 2010-2013.
  • Internship: Hospital das Clinicas, University of Sao Paulo, Brazil, 2002-2003.
  • Board Certifications: 2013 board-certified, American Board of Internal Medicine, Medical Oncology. 2013 board-certified, American Board of Internal Medicine, Hematology. 2010 board-certified, American Board of Internal Medicine, Internal Medicine. ACLS certification updated in 2013.
  • Honors/Awards: ASCO 2013 Merit Award. LeDor VaDor Award, presented by the President of Brazil of voluntary work. ASCO/AACR Vail Cancer Workshop selection – 2011.
  • Languages: English, Portuguese, Spanish
  • Hobbies/Interests: Multi-instrumentalist, has played in a Brazilian band

James K. McCloskey II, MD

James K. McCloskey II, M.D., works in the Division of Leukemia and the Adult Blood and Marrow Stem Cell Transplantation Program at John Theurer Cancer Center. Prior to his current position, Dr. McCloskey was a fellow in the Department of Hematology and Oncology at Georgetown University Hospital.

Dr. McCloskey has extensive research experience, serving as primary investigator in a Phase I/II non-randomized study of birinapant in combination with decitabine in patients with relapsed or refractory myelodysplastic syndrome and acute myelogenous leukemia, and was a primary investigator of cellular and molecular characterization of the immune response and minimal residual disease in patients who have completed treatment for acute myeloid leukemia. Dr. McCloskey has additionally presented a range of clinical work at major medical conferences, including MedStar Washington Hospital center multi-institutional lymphoma teleconference, Georgetown University Research Day and the Society of Comparative and Integrative Biology. Dr. McCloskey’s research has been published in the Journal of Coagulation Disorders, Advances in Clinical Oncology and Breast Cancer Research and Treatment.

Dr. McCloskey has deep roots in the philanthropic community; worked with the Lymphoma Research Foundation since 2011; and has volunteered with Food and Friends, a nonprofit that prepares and delivers meals and groceries to D.C. residents living with HIV/AIDS, cancer and other conditions since 2004.

  • Medical Education: Georgetown University School of Medicine
  • Residency: Georgetown University Hospital, Internal Medicine Resident, July 2009-2011
  • Fellowships: Chief Fellow, Department of Hematology and Oncology, Georgetown University Hospital, 2013-2014. Fellow, Department of Hematology and Oncology, Georgetown University Hospital, 2009-2013.
  • Internship: Georgetown University Hospital, Internal Medicine Intern, 2009-2011.
  • Board Certifications: 2014 board-eligible, Hematology and Oncology. 2011 board-certified, American Board of Internal Medicine.
  • Honors/Awards: Hematology Fellows Consortium Workshop, 2013. AACR/ASCO Methods of Cancer Research Workshop, 2013. Dr. Allen J. Goody Memorial Award for excellence in teaching, peer mentorship and personal integrity, Georgetown University Hospital, 2011.
  • Memberships: American Society of Clinical Oncology, American Association of Cancer Research, Housestaff Quality Council, Chemotherapy Utilization Committee, American Society of Hematology.

Samuel Singer, MD

Samuel Singer, M.D. is a neuro-oncologist at the Neurological Oncology Division – The Brain and Spine Institute at John Theurer Cancer Center. In addition to treating patients with primary brain tumors and brain metastases, he is also actively involved in research into novel therapies for these illnesses. Cancers and their treatments are frequently associated with an array of neurologic problems, including stroke, epilepsy, neuropathy and neurologic autoimmune disease, and Dr. Singer specializes in diagnosing and treating these conditions.

Prior to joining the John Theurer Cancer Center, Dr. Singer completed a fellowship in neuro-oncology at Memorial Sloan-Kettering Cancer Center and his residency in neurology at New York-Presbyterian Hospital/Weill Cornell Medical Center.

Dr. Singer is a member of the American Academy of Neurology, the American Society of Clinical Oncology and the Society for Neuro-Oncology. He is widely published in peer-reviewed journals, including Neurosurgery, Neurology, Stroke and The Oncologist.

  • Medical Education: Albert Einstein College of Medicine, Bronx, NY
  • Residency: New York-Presbyterian Hospital/Weill Cornell Medical Center, New York, NY
  • Fellowships: Memorial Sloan-Kettering Cancer Center, New York, NY
  • Board Certifications: Diplomate, American Board of Psychiatry and Neurology
  • Specializations: Neurology
  • Memberships:
    • Alpha Omega Alpha Medical Honor Society 2007
    • American Academy of Neurology, since 2009
    • American Society Clinical Oncology, since 2012
    • Society for Neuro-Oncology, since 2012
  • Languages Spoken: English, Hebrew

Noa Biran, MD

Noa Biran, MD, joined the Myeloma Division at John Theurer Cancer Center in September 2014.

Dr. Biran previously served as Chief Fellow of Hematology and Medical Oncology at Icahn School of Medicine at Mount Sinai, New York, where she also practiced in their internal medicine internship and residency. She received her medical degree from The George Washington University in Washington, D.C. As a fellow at Icahn School of Medicine, Dr. Biran participated in numerous lecture series and training sessions for medical students, residents, and nurse practitioners.

Dr. Biran is actively involved with clinical research focusing on multiple myeloma. She has presented a range of clinical work at international and national conferences such as the American Society of Hematology and the Society of Hematologic Oncology. She is widely published in hematology and oncology journals such as American Journal of Hematology, Current Hematologic Malignancy Reports, and The Hemophilia Report, with a research focus on high-risk multiple myeloma and the role of minimal residual disease in multiple myeloma. She has also co-authored a chapter in Essentials of Hospital Medicine: A Practical Guide for Clinicians, entitled “Oncologic Emergencies.” She is an active and valued member of the European Society for Medical Oncology, American Society of Clinical Oncology and American Society of Hematology.

Robert S. Alter, MD

Dr. Robert Alter specializes in medical oncology and hematology, and is board certified in internal medicine, medical oncology and hematology. For more than 15 years, Dr. Alter has been treating patients in the New Jersey community. Dr. Alter is actively involved in genitourinary and head and neck cancer research.

Dr. Alter received his medical degree from the University of Health Sciences/The Chicago Medical School. He completed his residency at St. Luke’s/Roosevelt Hospital Center, New York, New York in internal medicine and received his fellowship training at New York University Medical Center in hematology/oncology.

Dr. Alter holds an appointment at Hackensack University Medical Center. He is also the Chairman of the Transfusion Committee at St. Clare’s Hospital, and a member of the American Cancer Society.

Tracy Proverbs-Singh, MD MPH

Dr. Tracy Proverbs-Singh specializes in medical oncology and is board certified. She received her medical degree from University of Pittsburgh and completed her internal medicine residency at Mount Sinai Hospital.

Medical Education: University of Pittsburgh
Residency Internship: Mount Sinai Hospital
Certification: Internal Medicine
Languages: English

Lori Ann Leslie, MD

Dr. Lori Ann Leslie specializes in hematology and medical oncology. Her specific clinical and research interests include non-Hodgkin lymphoma, Hodgkin lymphoma, and chronic lymphocytic leukemia.

Dr. Leslie received her MD from Columbia University College of Physicians and Surgeons, and stayed at Columbia University for internal medicine residency. She completed fellowship training at The University of Texas M.D. Anderson Cancer Center, where she served as Chief Fellow. Born and raised in Morristown, NJ, Dr. Leslie is ecstatic about the opportunity to return to her home state and join the John Theurer Cancer Center.

  • Medical Education: Columbia University, College of Physicians and Surgeons.
  • Internal Medicine Internship and Residency: New York Presbyterian Hospital, Columbia University.
  • Hematology/Oncology Fellowship: The University of Texas, MD Anderson Cancer Center.
  • Board Certifications/Eligibility: Hematology and Medical Oncology board eligible in 2015, Internal Medicine board certified in 2012
  • Memberships: American Society of Clinical Oncology, American Society of Hematology
  • Specializations: Lymphoma and CLL
  • Research Interests: Lymphoma and CLL
  • Languages Spoken: English

Jamie Koprivnikar, MD

Dr. Jamie Koprvinikar specializes in hematology and medical oncology and is board certified in both. She also holds a board certification in internal medicine.

Dr. Koprivnikar received her medical degree from the Sidney Kimmel Medical College, formerly Jefferson Medical College of Thomas Jefferson University, in Philadelphia, PA. She completed her internal medicine residency at MedStar Georgetown University Medical Center in Washington, DC. She then completed a fellowship in hematology and oncology, also at MedStar Georgetown University Medical Center. She was chosen to serve as chief fellow during her third and final year of fellowship.

Dr. Koprivnikar spent the early part of her career on faculty at MedStar Georgetown University Medical Center where she was active in teaching medical students, residents, and fellows. She also served as the medical co-director of the Patient Blood Management Program and was active on the institutional review board and as an investigator on many clinical trials. She is a member of the American Society of Hematology.

  • Medical Education: Sidney Kimmel Medical College, Philadelphia, PA
  • Residency: MedStar Georgetown University Medical Center, Washington, DC
  • Fellowship: MedStar Georgetown University Medical Center, Washington, DC
  • Board Certifications: Hematology, oncology, internal medicine
  • Specializations: Hematology, medical oncology
  • Research Interests: Leukemia, myelodysplastic syndrome, myeloproliferative neoplasms, aplastic anemia
  • Memberships: American Society of Hematology
  • Languages Spoken: English

Mira Hellmann, MD

Dr. Mira Hellmann specializes in Gynecologic Oncology. She treats all subtypes of gynecologic cancers including uterus, cervix, fallopian tube, ovaries, primary peritoneal, vaginal and vulvar cancer. The scope of her surgical expertise includes both traditional open surgery, as well as minimally invasive surgery. She has extensive expertise in complex laparoscopic surgery as well as robotic surgery.

Her research focus is in clinical research, including cooperative group studies, both industry-sponsored and investigator-initiated. She enjoys having the opportunity to offer patients the possibility of participating in the most cutting edge research, if they are inclined to do so.

Dr. Hellmann received her MD at SUNY Downstate in Brooklyn, and is a lifelong member of AOA. She completed her residency on Long Island Jewish Medical Center, and returned to SUNY Downstate for her fellowship training. She maintained a faculty position in central New Jersey for eight years where she developed a robust practice in a short period of time. She was active in resident and student education. She also helped spearhead a minimally invasive center that was a comprehensive resource for minimally invasive surgeons across multiple cancer specialties. She is looking forward to establishing her practice at the John Theurer Cancer Center, and to providing the highest quality of care to her patients.

Dr. Hellmann is board certified in both Obstetrics and Gynecology as well as Gynecologic Oncology.

  • Medical Education: SUNY Health Science Center at Brooklyn
  • Internship/Residency: Long Island Jewish Medical Center
  • Fellowship: SUNY Health Science Center at Brooklyn
  • Specialization: Gynecologic Oncology
  • Board Certification: Obstetrics and Gynecology, Gynecologic Oncology
  • Research Interests: Surgical innovation, clinical trials in gynecologic oncology
  • Membership: American Board of Obstetrics and Gynecology, Society of Gynecologic Oncology, Alpha Omega Alpha
  • Languages: English, Hebrew

Alan Skarbnik, MD

Alan Pierre Zausner Skarbnik, M.D. serves as a staff physician in both the Department of Bone Marrow Transplantation and the Department of Lymphoma at John Theurer Cancer Center.

Prior to joining John Theurer Cancer Center at Hackensack University Medical Center, Dr. Skarbnik was a clinical instructor in the Department of Hematology and Hematopoietic Cell Transplantation at the City of Hope National Medical Center in Duarte, California. Dr. Skarbnik also previously served as Chief Fellow of Medical Oncology and Hematology at Fox Chase Cancer Center and Temple University Hospital, and practiced at Columbia University College of Physicians and Surgeons/St. Luke’s-Roosevelt Medical Center in their internal medicine internship and residency after moving his medical career to the United States from his native Brazil.

Dr. Skarbnik has a rich research background, having served as a primary investigator at Fox Chase Cancer Center to identify biomarkers of sensitivity to mTOR inhibitors in renal cell cancer tumor samples, co-primary investigator in a Phase II study of Rituximab Intense Dosing with CHOP-21 in a 2011 ASCO/AACR workshop, and investigated the role of JAK mutations in the development of acute lymphoblastic leukemia at Memorial Sloan Kettering’s Human Oncopathogenesis Program. Dr. Skarbnik has also been extensively published and has participated in a number of presentations and poster sessions at major medical meetings.

Dr. Skarbnik specializes in hematology/oncology, and has extensive experience in a range of medical volunteer work conducted across the globe.

  • Medical Education: Universidade de Sao Paulo, Brazil
  • Residency: Columbia University College of Physicians and Surgeons/St. Luke’s-Roosevelt Medical Center, Internal Medicine Internship and Residency, 2007-2010. Hospital das Clinicas, University of Sao Paulo, Brazil, Internal Medicine Residency, 2005-2007.
  • Fellowships: City of Hope National Medical Center, Adult Hematopoietic Stem Cell Transplantation, 2013-2014. Fox Chase Cancer Center Chief Fellow 2012-2013. Fox Chase Cancer Center and Temple University Hospital, Medical Oncology and Hematology, 2010-2013.
  • Internship: Hospital das Clinicas, University of Sao Paulo, Brazil, 2002-2003.
  • Board Certifications: 2013 board-certified, American Board of Internal Medicine, Medical Oncology. 2013 board-certified, American Board of Internal Medicine, Hematology. 2010 board-certified, American Board of Internal Medicine, Internal Medicine. ACLS certification updated in 2013.
  • Honors/Awards: ASCO 2013 Merit Award. LeDor VaDor Award, presented by the President of Brazil of voluntary work. ASCO/AACR Vail Cancer Workshop selection – 2011.
  • Languages: English, Portuguese, Spanish
  • Hobbies/Interests: Multi-instrumentalist, has played in a Brazilian band

James K. McCloskey II, MD

James K. McCloskey II, M.D., works in the Division of Leukemia and the Adult Blood and Marrow Stem Cell Transplantation Program at John Theurer Cancer Center. Prior to his current position, Dr. McCloskey was a fellow in the Department of Hematology and Oncology at Georgetown University Hospital.

Dr. McCloskey has extensive research experience, serving as primary investigator in a Phase I/II non-randomized study of birinapant in combination with decitabine in patients with relapsed or refractory myelodysplastic syndrome and acute myelogenous leukemia, and was a primary investigator of cellular and molecular characterization of the immune response and minimal residual disease in patients who have completed treatment for acute myeloid leukemia. Dr. McCloskey has additionally presented a range of clinical work at major medical conferences, including MedStar Washington Hospital center multi-institutional lymphoma teleconference, Georgetown University Research Day and the Society of Comparative and Integrative Biology. Dr. McCloskey’s research has been published in the Journal of Coagulation Disorders, Advances in Clinical Oncology and Breast Cancer Research and Treatment.

Dr. McCloskey has deep roots in the philanthropic community; worked with the Lymphoma Research Foundation since 2011; and has volunteered with Food and Friends, a nonprofit that prepares and delivers meals and groceries to D.C. residents living with HIV/AIDS, cancer and other conditions since 2004.

  • Medical Education: Georgetown University School of Medicine
  • Residency: Georgetown University Hospital, Internal Medicine Resident, July 2009-2011
  • Fellowships: Chief Fellow, Department of Hematology and Oncology, Georgetown University Hospital, 2013-2014. Fellow, Department of Hematology and Oncology, Georgetown University Hospital, 2009-2013.
  • Internship: Georgetown University Hospital, Internal Medicine Intern, 2009-2011.
  • Board Certifications: 2014 board-eligible, Hematology and Oncology. 2011 board-certified, American Board of Internal Medicine.
  • Honors/Awards: Hematology Fellows Consortium Workshop, 2013. AACR/ASCO Methods of Cancer Research Workshop, 2013. Dr. Allen J. Goody Memorial Award for excellence in teaching, peer mentorship and personal integrity, Georgetown University Hospital, 2011.
  • Memberships: American Society of Clinical Oncology, American Association of Cancer Research, Housestaff Quality Council, Chemotherapy Utilization Committee, American Society of Hematology.

Samuel Singer, MD

Samuel Singer, M.D. is a neuro-oncologist at the Neurological Oncology Division – The Brain and Spine Institute at John Theurer Cancer Center. In addition to treating patients with primary brain tumors and brain metastases, he is also actively involved in research into novel therapies for these illnesses. Cancers and their treatments are frequently associated with an array of neurologic problems, including stroke, epilepsy, neuropathy and neurologic autoimmune disease, and Dr. Singer specializes in diagnosing and treating these conditions.

Prior to joining the John Theurer Cancer Center, Dr. Singer completed a fellowship in neuro-oncology at Memorial Sloan-Kettering Cancer Center and his residency in neurology at New York-Presbyterian Hospital/Weill Cornell Medical Center.

Dr. Singer is a member of the American Academy of Neurology, the American Society of Clinical Oncology and the Society for Neuro-Oncology. He is widely published in peer-reviewed journals, including Neurosurgery, Neurology, Stroke and The Oncologist.

  • Medical Education: Albert Einstein College of Medicine, Bronx, NY
  • Residency: New York-Presbyterian Hospital/Weill Cornell Medical Center, New York, NY
  • Fellowships: Memorial Sloan-Kettering Cancer Center, New York, NY
  • Board Certifications: Diplomate, American Board of Psychiatry and Neurology
  • Specializations: Neurology
  • Memberships:
    • Alpha Omega Alpha Medical Honor Society 2007
    • American Academy of Neurology, since 2009
    • American Society Clinical Oncology, since 2012
    • Society for Neuro-Oncology, since 2012
  • Languages Spoken: English, Hebrew

Noa Biran, MD

Noa Biran, MD, joined the Myeloma Division at John Theurer Cancer Center in September 2014.

Dr. Biran previously served as Chief Fellow of Hematology and Medical Oncology at Icahn School of Medicine at Mount Sinai, New York, where she also practiced in their internal medicine internship and residency. She received her medical degree from The George Washington University in Washington, D.C. As a fellow at Icahn School of Medicine, Dr. Biran participated in numerous lecture series and training sessions for medical students, residents, and nurse practitioners.

Dr. Biran is actively involved with clinical research focusing on multiple myeloma. She has presented a range of clinical work at international and national conferences such as the American Society of Hematology and the Society of Hematologic Oncology. She is widely published in hematology and oncology journals such as American Journal of Hematology, Current Hematologic Malignancy Reports, and The Hemophilia Report, with a research focus on high-risk multiple myeloma and the role of minimal residual disease in multiple myeloma. She has also co-authored a chapter in Essentials of Hospital Medicine: A Practical Guide for Clinicians, entitled “Oncologic Emergencies.” She is an active and valued member of the European Society for Medical Oncology, American Society of Clinical Oncology and American Society of Hematology.

Robert S. Alter, MD

Dr. Robert Alter specializes in medical oncology and hematology, and is board certified in internal medicine, medical oncology and hematology. For more than 15 years, Dr. Alter has been treating patients in the New Jersey community. Dr. Alter is actively involved in genitourinary and head and neck cancer research.

Dr. Alter received his medical degree from the University of Health Sciences/The Chicago Medical School. He completed his residency at St. Luke’s/Roosevelt Hospital Center, New York, New York in internal medicine and received his fellowship training at New York University Medical Center in hematology/oncology.

Dr. Alter holds an appointment at Hackensack University Medical Center. He is also the Chairman of the Transfusion Committee at St. Clare’s Hospital, and a member of the American Cancer Society.

Tracy Proverbs-Singh, MD MPH

Dr. Tracy Proverbs-Singh specializes in medical oncology and is board certified. She received her medical degree from University of Pittsburgh and completed her internal medicine residency at Mount Sinai Hospital.

Medical Education: University of Pittsburgh
Residency Internship: Mount Sinai Hospital
Certification: Internal Medicine
Languages: English

Lori Ann Leslie, MD

Dr. Lori Ann Leslie specializes in hematology and medical oncology. Her specific clinical and research interests include non-Hodgkin lymphoma, Hodgkin lymphoma, and chronic lymphocytic leukemia.

Dr. Leslie received her MD from Columbia University College of Physicians and Surgeons, and stayed at Columbia University for internal medicine residency. She completed fellowship training at The University of Texas M.D. Anderson Cancer Center, where she served as Chief Fellow. Born and raised in Morristown, NJ, Dr. Leslie is ecstatic about the opportunity to return to her home state and join the John Theurer Cancer Center.

  • Medical Education: Columbia University, College of Physicians and Surgeons.
  • Internal Medicine Internship and Residency: New York Presbyterian Hospital, Columbia University.
  • Hematology/Oncology Fellowship: The University of Texas, MD Anderson Cancer Center.
  • Board Certifications/Eligibility: Hematology and Medical Oncology board eligible in 2015, Internal Medicine board certified in 2012
  • Memberships: American Society of Clinical Oncology, American Society of Hematology
  • Specializations: Lymphoma and CLL
  • Research Interests: Lymphoma and CLL
  • Languages Spoken: English

Jamie Koprivnikar, MD

Dr. Jamie Koprvinikar specializes in hematology and medical oncology and is board certified in both. She also holds a board certification in internal medicine.

Dr. Koprivnikar received her medical degree from the Sidney Kimmel Medical College, formerly Jefferson Medical College of Thomas Jefferson University, in Philadelphia, PA. She completed her internal medicine residency at MedStar Georgetown University Medical Center in Washington, DC. She then completed a fellowship in hematology and oncology, also at MedStar Georgetown University Medical Center. She was chosen to serve as chief fellow during her third and final year of fellowship.

Dr. Koprivnikar spent the early part of her career on faculty at MedStar Georgetown University Medical Center where she was active in teaching medical students, residents, and fellows. She also served as the medical co-director of the Patient Blood Management Program and was active on the institutional review board and as an investigator on many clinical trials. She is a member of the American Society of Hematology.

  • Medical Education: Sidney Kimmel Medical College, Philadelphia, PA
  • Residency: MedStar Georgetown University Medical Center, Washington, DC
  • Fellowship: MedStar Georgetown University Medical Center, Washington, DC
  • Board Certifications: Hematology, oncology, internal medicine
  • Specializations: Hematology, medical oncology
  • Research Interests: Leukemia, myelodysplastic syndrome, myeloproliferative neoplasms, aplastic anemia
  • Memberships: American Society of Hematology
  • Languages Spoken: English

Mira Hellmann, MD

Dr. Mira Hellmann specializes in Gynecologic Oncology. She treats all subtypes of gynecologic cancers including uterus, cervix, fallopian tube, ovaries, primary peritoneal, vaginal and vulvar cancer. The scope of her surgical expertise includes both traditional open surgery, as well as minimally invasive surgery. She has extensive expertise in complex laparoscopic surgery as well as robotic surgery.

Her research focus is in clinical research, including cooperative group studies, both industry-sponsored and investigator-initiated. She enjoys having the opportunity to offer patients the possibility of participating in the most cutting edge research, if they are inclined to do so.

Dr. Hellmann received her MD at SUNY Downstate in Brooklyn, and is a lifelong member of AOA. She completed her residency on Long Island Jewish Medical Center, and returned to SUNY Downstate for her fellowship training. She maintained a faculty position in central New Jersey for eight years where she developed a robust practice in a short period of time. She was active in resident and student education. She also helped spearhead a minimally invasive center that was a comprehensive resource for minimally invasive surgeons across multiple cancer specialties. She is looking forward to establishing her practice at the John Theurer Cancer Center, and to providing the highest quality of care to her patients.

Dr. Hellmann is board certified in both Obstetrics and Gynecology as well as Gynecologic Oncology.

  • Medical Education: SUNY Health Science Center at Brooklyn
  • Internship/Residency: Long Island Jewish Medical Center
  • Fellowship: SUNY Health Science Center at Brooklyn
  • Specialization: Gynecologic Oncology
  • Board Certification: Obstetrics and Gynecology, Gynecologic Oncology
  • Research Interests: Surgical innovation, clinical trials in gynecologic oncology
  • Membership: American Board of Obstetrics and Gynecology, Society of Gynecologic Oncology, Alpha Omega Alpha
  • Languages: English, Hebrew

Alan Skarbnik, MD

Alan Pierre Zausner Skarbnik, M.D. serves as a staff physician in both the Department of Bone Marrow Transplantation and the Department of Lymphoma at John Theurer Cancer Center.

Prior to joining John Theurer Cancer Center at Hackensack University Medical Center, Dr. Skarbnik was a clinical instructor in the Department of Hematology and Hematopoietic Cell Transplantation at the City of Hope National Medical Center in Duarte, California. Dr. Skarbnik also previously served as Chief Fellow of Medical Oncology and Hematology at Fox Chase Cancer Center and Temple University Hospital, and practiced at Columbia University College of Physicians and Surgeons/St. Luke’s-Roosevelt Medical Center in their internal medicine internship and residency after moving his medical career to the United States from his native Brazil.

Dr. Skarbnik has a rich research background, having served as a primary investigator at Fox Chase Cancer Center to identify biomarkers of sensitivity to mTOR inhibitors in renal cell cancer tumor samples, co-primary investigator in a Phase II study of Rituximab Intense Dosing with CHOP-21 in a 2011 ASCO/AACR workshop, and investigated the role of JAK mutations in the development of acute lymphoblastic leukemia at Memorial Sloan Kettering’s Human Oncopathogenesis Program. Dr. Skarbnik has also been extensively published and has participated in a number of presentations and poster sessions at major medical meetings.

Dr. Skarbnik specializes in hematology/oncology, and has extensive experience in a range of medical volunteer work conducted across the globe.

  • Medical Education: Universidade de Sao Paulo, Brazil
  • Residency: Columbia University College of Physicians and Surgeons/St. Luke’s-Roosevelt Medical Center, Internal Medicine Internship and Residency, 2007-2010. Hospital das Clinicas, University of Sao Paulo, Brazil, Internal Medicine Residency, 2005-2007.
  • Fellowships: City of Hope National Medical Center, Adult Hematopoietic Stem Cell Transplantation, 2013-2014. Fox Chase Cancer Center Chief Fellow 2012-2013. Fox Chase Cancer Center and Temple University Hospital, Medical Oncology and Hematology, 2010-2013.
  • Internship: Hospital das Clinicas, University of Sao Paulo, Brazil, 2002-2003.
  • Board Certifications: 2013 board-certified, American Board of Internal Medicine, Medical Oncology. 2013 board-certified, American Board of Internal Medicine, Hematology. 2010 board-certified, American Board of Internal Medicine, Internal Medicine. ACLS certification updated in 2013.
  • Honors/Awards: ASCO 2013 Merit Award. LeDor VaDor Award, presented by the President of Brazil of voluntary work. ASCO/AACR Vail Cancer Workshop selection – 2011.
  • Languages: English, Portuguese, Spanish
  • Hobbies/Interests: Multi-instrumentalist, has played in a Brazilian band

James K. McCloskey II, MD

James K. McCloskey II, M.D., works in the Division of Leukemia and the Adult Blood and Marrow Stem Cell Transplantation Program at John Theurer Cancer Center. Prior to his current position, Dr. McCloskey was a fellow in the Department of Hematology and Oncology at Georgetown University Hospital.

Dr. McCloskey has extensive research experience, serving as primary investigator in a Phase I/II non-randomized study of birinapant in combination with decitabine in patients with relapsed or refractory myelodysplastic syndrome and acute myelogenous leukemia, and was a primary investigator of cellular and molecular characterization of the immune response and minimal residual disease in patients who have completed treatment for acute myeloid leukemia. Dr. McCloskey has additionally presented a range of clinical work at major medical conferences, including MedStar Washington Hospital center multi-institutional lymphoma teleconference, Georgetown University Research Day and the Society of Comparative and Integrative Biology. Dr. McCloskey’s research has been published in the Journal of Coagulation Disorders, Advances in Clinical Oncology and Breast Cancer Research and Treatment.

Dr. McCloskey has deep roots in the philanthropic community; worked with the Lymphoma Research Foundation since 2011; and has volunteered with Food and Friends, a nonprofit that prepares and delivers meals and groceries to D.C. residents living with HIV/AIDS, cancer and other conditions since 2004.

  • Medical Education: Georgetown University School of Medicine
  • Residency: Georgetown University Hospital, Internal Medicine Resident, July 2009-2011
  • Fellowships: Chief Fellow, Department of Hematology and Oncology, Georgetown University Hospital, 2013-2014. Fellow, Department of Hematology and Oncology, Georgetown University Hospital, 2009-2013.
  • Internship: Georgetown University Hospital, Internal Medicine Intern, 2009-2011.
  • Board Certifications: 2014 board-eligible, Hematology and Oncology. 2011 board-certified, American Board of Internal Medicine.
  • Honors/Awards: Hematology Fellows Consortium Workshop, 2013. AACR/ASCO Methods of Cancer Research Workshop, 2013. Dr. Allen J. Goody Memorial Award for excellence in teaching, peer mentorship and personal integrity, Georgetown University Hospital, 2011.
  • Memberships: American Society of Clinical Oncology, American Association of Cancer Research, Housestaff Quality Council, Chemotherapy Utilization Committee, American Society of Hematology.

Samuel Singer, MD

Samuel Singer, M.D. is a neuro-oncologist at the Neurological Oncology Division – The Brain and Spine Institute at John Theurer Cancer Center. In addition to treating patients with primary brain tumors and brain metastases, he is also actively involved in research into novel therapies for these illnesses. Cancers and their treatments are frequently associated with an array of neurologic problems, including stroke, epilepsy, neuropathy and neurologic autoimmune disease, and Dr. Singer specializes in diagnosing and treating these conditions.

Prior to joining the John Theurer Cancer Center, Dr. Singer completed a fellowship in neuro-oncology at Memorial Sloan-Kettering Cancer Center and his residency in neurology at New York-Presbyterian Hospital/Weill Cornell Medical Center.

Dr. Singer is a member of the American Academy of Neurology, the American Society of Clinical Oncology and the Society for Neuro-Oncology. He is widely published in peer-reviewed journals, including Neurosurgery, Neurology, Stroke and The Oncologist.

  • Medical Education: Albert Einstein College of Medicine, Bronx, NY
  • Residency: New York-Presbyterian Hospital/Weill Cornell Medical Center, New York, NY
  • Fellowships: Memorial Sloan-Kettering Cancer Center, New York, NY
  • Board Certifications: Diplomate, American Board of Psychiatry and Neurology
  • Specializations: Neurology
  • Memberships:
    • Alpha Omega Alpha Medical Honor Society 2007
    • American Academy of Neurology, since 2009
    • American Society Clinical Oncology, since 2012
    • Society for Neuro-Oncology, since 2012
  • Languages Spoken: English, Hebrew

Noa Biran, MD

Noa Biran, MD, joined the Myeloma Division at John Theurer Cancer Center in September 2014.

Dr. Biran previously served as Chief Fellow of Hematology and Medical Oncology at Icahn School of Medicine at Mount Sinai, New York, where she also practiced in their internal medicine internship and residency. She received her medical degree from The George Washington University in Washington, D.C. As a fellow at Icahn School of Medicine, Dr. Biran participated in numerous lecture series and training sessions for medical students, residents, and nurse practitioners.

Dr. Biran is actively involved with clinical research focusing on multiple myeloma. She has presented a range of clinical work at international and national conferences such as the American Society of Hematology and the Society of Hematologic Oncology. She is widely published in hematology and oncology journals such as American Journal of Hematology, Current Hematologic Malignancy Reports, and The Hemophilia Report, with a research focus on high-risk multiple myeloma and the role of minimal residual disease in multiple myeloma. She has also co-authored a chapter in Essentials of Hospital Medicine: A Practical Guide for Clinicians, entitled “Oncologic Emergencies.” She is an active and valued member of the European Society for Medical Oncology, American Society of Clinical Oncology and American Society of Hematology.

Robert S. Alter, MD

Dr. Robert Alter specializes in medical oncology and hematology, and is board certified in internal medicine, medical oncology and hematology. For more than 15 years, Dr. Alter has been treating patients in the New Jersey community. Dr. Alter is actively involved in genitourinary and head and neck cancer research.

Dr. Alter received his medical degree from the University of Health Sciences/The Chicago Medical School. He completed his residency at St. Luke’s/Roosevelt Hospital Center, New York, New York in internal medicine and received his fellowship training at New York University Medical Center in hematology/oncology.

Dr. Alter holds an appointment at Hackensack University Medical Center. He is also the Chairman of the Transfusion Committee at St. Clare’s Hospital, and a member of the American Cancer Society.

Tracy Proverbs-Singh, MD MPH

Dr. Tracy Proverbs-Singh specializes in medical oncology and is board certified. She received her medical degree from University of Pittsburgh and completed her internal medicine residency at Mount Sinai Hospital.

Medical Education: University of Pittsburgh
Residency Internship: Mount Sinai Hospital
Certification: Internal Medicine
Languages: English

Lori Ann Leslie, MD

Dr. Lori Ann Leslie specializes in hematology and medical oncology. Her specific clinical and research interests include non-Hodgkin lymphoma, Hodgkin lymphoma, and chronic lymphocytic leukemia.

Dr. Leslie received her MD from Columbia University College of Physicians and Surgeons, and stayed at Columbia University for internal medicine residency. She completed fellowship training at The University of Texas M.D. Anderson Cancer Center, where she served as Chief Fellow. Born and raised in Morristown, NJ, Dr. Leslie is ecstatic about the opportunity to return to her home state and join the John Theurer Cancer Center.

  • Medical Education: Columbia University, College of Physicians and Surgeons.
  • Internal Medicine Internship and Residency: New York Presbyterian Hospital, Columbia University.
  • Hematology/Oncology Fellowship: The University of Texas, MD Anderson Cancer Center.
  • Board Certifications/Eligibility: Hematology and Medical Oncology board eligible in 2015, Internal Medicine board certified in 2012
  • Memberships: American Society of Clinical Oncology, American Society of Hematology
  • Specializations: Lymphoma and CLL
  • Research Interests: Lymphoma and CLL
  • Languages Spoken: English

Jamie Koprivnikar, MD

Dr. Jamie Koprvinikar specializes in hematology and medical oncology and is board certified in both. She also holds a board certification in internal medicine.

Dr. Koprivnikar received her medical degree from the Sidney Kimmel Medical College, formerly Jefferson Medical College of Thomas Jefferson University, in Philadelphia, PA. She completed her internal medicine residency at MedStar Georgetown University Medical Center in Washington, DC. She then completed a fellowship in hematology and oncology, also at MedStar Georgetown University Medical Center. She was chosen to serve as chief fellow during her third and final year of fellowship.

Dr. Koprivnikar spent the early part of her career on faculty at MedStar Georgetown University Medical Center where she was active in teaching medical students, residents, and fellows. She also served as the medical co-director of the Patient Blood Management Program and was active on the institutional review board and as an investigator on many clinical trials. She is a member of the American Society of Hematology.

  • Medical Education: Sidney Kimmel Medical College, Philadelphia, PA
  • Residency: MedStar Georgetown University Medical Center, Washington, DC
  • Fellowship: MedStar Georgetown University Medical Center, Washington, DC
  • Board Certifications: Hematology, oncology, internal medicine
  • Specializations: Hematology, medical oncology
  • Research Interests: Leukemia, myelodysplastic syndrome, myeloproliferative neoplasms, aplastic anemia
  • Memberships: American Society of Hematology
  • Languages Spoken: English

Mira Hellmann, MD

Dr. Mira Hellmann specializes in Gynecologic Oncology. She treats all subtypes of gynecologic cancers including uterus, cervix, fallopian tube, ovaries, primary peritoneal, vaginal and vulvar cancer. The scope of her surgical expertise includes both traditional open surgery, as well as minimally invasive surgery. She has extensive expertise in complex laparoscopic surgery as well as robotic surgery.

Her research focus is in clinical research, including cooperative group studies, both industry-sponsored and investigator-initiated. She enjoys having the opportunity to offer patients the possibility of participating in the most cutting edge research, if they are inclined to do so.

Dr. Hellmann received her MD at SUNY Downstate in Brooklyn, and is a lifelong member of AOA. She completed her residency on Long Island Jewish Medical Center, and returned to SUNY Downstate for her fellowship training. She maintained a faculty position in central New Jersey for eight years where she developed a robust practice in a short period of time. She was active in resident and student education. She also helped spearhead a minimally invasive center that was a comprehensive resource for minimally invasive surgeons across multiple cancer specialties. She is looking forward to establishing her practice at the John Theurer Cancer Center, and to providing the highest quality of care to her patients.

Dr. Hellmann is board certified in both Obstetrics and Gynecology as well as Gynecologic Oncology.

  • Medical Education: SUNY Health Science Center at Brooklyn
  • Internship/Residency: Long Island Jewish Medical Center
  • Fellowship: SUNY Health Science Center at Brooklyn
  • Specialization: Gynecologic Oncology
  • Board Certification: Obstetrics and Gynecology, Gynecologic Oncology
  • Research Interests: Surgical innovation, clinical trials in gynecologic oncology
  • Membership: American Board of Obstetrics and Gynecology, Society of Gynecologic Oncology, Alpha Omega Alpha
  • Languages: English, Hebrew

Alan Skarbnik, MD

Alan Pierre Zausner Skarbnik, M.D. serves as a staff physician in both the Department of Bone Marrow Transplantation and the Department of Lymphoma at John Theurer Cancer Center.

Prior to joining John Theurer Cancer Center at Hackensack University Medical Center, Dr. Skarbnik was a clinical instructor in the Department of Hematology and Hematopoietic Cell Transplantation at the City of Hope National Medical Center in Duarte, California. Dr. Skarbnik also previously served as Chief Fellow of Medical Oncology and Hematology at Fox Chase Cancer Center and Temple University Hospital, and practiced at Columbia University College of Physicians and Surgeons/St. Luke’s-Roosevelt Medical Center in their internal medicine internship and residency after moving his medical career to the United States from his native Brazil.

Dr. Skarbnik has a rich research background, having served as a primary investigator at Fox Chase Cancer Center to identify biomarkers of sensitivity to mTOR inhibitors in renal cell cancer tumor samples, co-primary investigator in a Phase II study of Rituximab Intense Dosing with CHOP-21 in a 2011 ASCO/AACR workshop, and investigated the role of JAK mutations in the development of acute lymphoblastic leukemia at Memorial Sloan Kettering’s Human Oncopathogenesis Program. Dr. Skarbnik has also been extensively published and has participated in a number of presentations and poster sessions at major medical meetings.

Dr. Skarbnik specializes in hematology/oncology, and has extensive experience in a range of medical volunteer work conducted across the globe.

  • Medical Education: Universidade de Sao Paulo, Brazil
  • Residency: Columbia University College of Physicians and Surgeons/St. Luke’s-Roosevelt Medical Center, Internal Medicine Internship and Residency, 2007-2010. Hospital das Clinicas, University of Sao Paulo, Brazil, Internal Medicine Residency, 2005-2007.
  • Fellowships: City of Hope National Medical Center, Adult Hematopoietic Stem Cell Transplantation, 2013-2014. Fox Chase Cancer Center Chief Fellow 2012-2013. Fox Chase Cancer Center and Temple University Hospital, Medical Oncology and Hematology, 2010-2013.
  • Internship: Hospital das Clinicas, University of Sao Paulo, Brazil, 2002-2003.
  • Board Certifications: 2013 board-certified, American Board of Internal Medicine, Medical Oncology. 2013 board-certified, American Board of Internal Medicine, Hematology. 2010 board-certified, American Board of Internal Medicine, Internal Medicine. ACLS certification updated in 2013.
  • Honors/Awards: ASCO 2013 Merit Award. LeDor VaDor Award, presented by the President of Brazil of voluntary work. ASCO/AACR Vail Cancer Workshop selection – 2011.
  • Languages: English, Portuguese, Spanish
  • Hobbies/Interests: Multi-instrumentalist, has played in a Brazilian band

James K. McCloskey II, MD

James K. McCloskey II, M.D., works in the Division of Leukemia and the Adult Blood and Marrow Stem Cell Transplantation Program at John Theurer Cancer Center. Prior to his current position, Dr. McCloskey was a fellow in the Department of Hematology and Oncology at Georgetown University Hospital.

Dr. McCloskey has extensive research experience, serving as primary investigator in a Phase I/II non-randomized study of birinapant in combination with decitabine in patients with relapsed or refractory myelodysplastic syndrome and acute myelogenous leukemia, and was a primary investigator of cellular and molecular characterization of the immune response and minimal residual disease in patients who have completed treatment for acute myeloid leukemia. Dr. McCloskey has additionally presented a range of clinical work at major medical conferences, including MedStar Washington Hospital center multi-institutional lymphoma teleconference, Georgetown University Research Day and the Society of Comparative and Integrative Biology. Dr. McCloskey’s research has been published in the Journal of Coagulation Disorders, Advances in Clinical Oncology and Breast Cancer Research and Treatment.

Dr. McCloskey has deep roots in the philanthropic community; worked with the Lymphoma Research Foundation since 2011; and has volunteered with Food and Friends, a nonprofit that prepares and delivers meals and groceries to D.C. residents living with HIV/AIDS, cancer and other conditions since 2004.

  • Medical Education: Georgetown University School of Medicine
  • Residency: Georgetown University Hospital, Internal Medicine Resident, July 2009-2011
  • Fellowships: Chief Fellow, Department of Hematology and Oncology, Georgetown University Hospital, 2013-2014. Fellow, Department of Hematology and Oncology, Georgetown University Hospital, 2009-2013.
  • Internship: Georgetown University Hospital, Internal Medicine Intern, 2009-2011.
  • Board Certifications: 2014 board-eligible, Hematology and Oncology. 2011 board-certified, American Board of Internal Medicine.
  • Honors/Awards: Hematology Fellows Consortium Workshop, 2013. AACR/ASCO Methods of Cancer Research Workshop, 2013. Dr. Allen J. Goody Memorial Award for excellence in teaching, peer mentorship and personal integrity, Georgetown University Hospital, 2011.
  • Memberships: American Society of Clinical Oncology, American Association of Cancer Research, Housestaff Quality Council, Chemotherapy Utilization Committee, American Society of Hematology.

Samuel Singer, MD

Samuel Singer, M.D. is a neuro-oncologist at the Neurological Oncology Division – The Brain and Spine Institute at John Theurer Cancer Center. In addition to treating patients with primary brain tumors and brain metastases, he is also actively involved in research into novel therapies for these illnesses. Cancers and their treatments are frequently associated with an array of neurologic problems, including stroke, epilepsy, neuropathy and neurologic autoimmune disease, and Dr. Singer specializes in diagnosing and treating these conditions.

Prior to joining the John Theurer Cancer Center, Dr. Singer completed a fellowship in neuro-oncology at Memorial Sloan-Kettering Cancer Center and his residency in neurology at New York-Presbyterian Hospital/Weill Cornell Medical Center.

Dr. Singer is a member of the American Academy of Neurology, the American Society of Clinical Oncology and the Society for Neuro-Oncology. He is widely published in peer-reviewed journals, including Neurosurgery, Neurology, Stroke and The Oncologist.

  • Medical Education: Albert Einstein College of Medicine, Bronx, NY
  • Residency: New York-Presbyterian Hospital/Weill Cornell Medical Center, New York, NY
  • Fellowships: Memorial Sloan-Kettering Cancer Center, New York, NY
  • Board Certifications: Diplomate, American Board of Psychiatry and Neurology
  • Specializations: Neurology
  • Memberships:
    • Alpha Omega Alpha Medical Honor Society 2007
    • American Academy of Neurology, since 2009
    • American Society Clinical Oncology, since 2012
    • Society for Neuro-Oncology, since 2012
  • Languages Spoken: English, Hebrew

Noa Biran, MD

Noa Biran, MD, joined the Myeloma Division at John Theurer Cancer Center in September 2014.

Dr. Biran previously served as Chief Fellow of Hematology and Medical Oncology at Icahn School of Medicine at Mount Sinai, New York, where she also practiced in their internal medicine internship and residency. She received her medical degree from The George Washington University in Washington, D.C. As a fellow at Icahn School of Medicine, Dr. Biran participated in numerous lecture series and training sessions for medical students, residents, and nurse practitioners.

Dr. Biran is actively involved with clinical research focusing on multiple myeloma. She has presented a range of clinical work at international and national conferences such as the American Society of Hematology and the Society of Hematologic Oncology. She is widely published in hematology and oncology journals such as American Journal of Hematology, Current Hematologic Malignancy Reports, and The Hemophilia Report, with a research focus on high-risk multiple myeloma and the role of minimal residual disease in multiple myeloma. She has also co-authored a chapter in Essentials of Hospital Medicine: A Practical Guide for Clinicians, entitled “Oncologic Emergencies.” She is an active and valued member of the European Society for Medical Oncology, American Society of Clinical Oncology and American Society of Hematology.

Robert S. Alter, MD

Dr. Robert Alter specializes in medical oncology and hematology, and is board certified in internal medicine, medical oncology and hematology. For more than 15 years, Dr. Alter has been treating patients in the New Jersey community. Dr. Alter is actively involved in genitourinary and head and neck cancer research.

Dr. Alter received his medical degree from the University of Health Sciences/The Chicago Medical School. He completed his residency at St. Luke’s/Roosevelt Hospital Center, New York, New York in internal medicine and received his fellowship training at New York University Medical Center in hematology/oncology.

Dr. Alter holds an appointment at Hackensack University Medical Center. He is also the Chairman of the Transfusion Committee at St. Clare’s Hospital, and a member of the American Cancer Society.

Tracy Proverbs-Singh, MD MPH

Dr. Tracy Proverbs-Singh specializes in medical oncology and is board certified. She received her medical degree from University of Pittsburgh and completed her internal medicine residency at Mount Sinai Hospital.

Medical Education: University of Pittsburgh
Residency Internship: Mount Sinai Hospital
Certification: Internal Medicine
Languages: English

Lori Ann Leslie, MD

Dr. Lori Ann Leslie specializes in hematology and medical oncology. Her specific clinical and research interests include non-Hodgkin lymphoma, Hodgkin lymphoma, and chronic lymphocytic leukemia.

Dr. Leslie received her MD from Columbia University College of Physicians and Surgeons, and stayed at Columbia University for internal medicine residency. She completed fellowship training at The University of Texas M.D. Anderson Cancer Center, where she served as Chief Fellow. Born and raised in Morristown, NJ, Dr. Leslie is ecstatic about the opportunity to return to her home state and join the John Theurer Cancer Center.

  • Medical Education: Columbia University, College of Physicians and Surgeons.
  • Internal Medicine Internship and Residency: New York Presbyterian Hospital, Columbia University.
  • Hematology/Oncology Fellowship: The University of Texas, MD Anderson Cancer Center.
  • Board Certifications/Eligibility: Hematology and Medical Oncology board eligible in 2015, Internal Medicine board certified in 2012
  • Memberships: American Society of Clinical Oncology, American Society of Hematology
  • Specializations: Lymphoma and CLL
  • Research Interests: Lymphoma and CLL
  • Languages Spoken: English

Jamie Koprivnikar, MD

Dr. Jamie Koprvinikar specializes in hematology and medical oncology and is board certified in both. She also holds a board certification in internal medicine.

Dr. Koprivnikar received her medical degree from the Sidney Kimmel Medical College, formerly Jefferson Medical College of Thomas Jefferson University, in Philadelphia, PA. She completed her internal medicine residency at MedStar Georgetown University Medical Center in Washington, DC. She then completed a fellowship in hematology and oncology, also at MedStar Georgetown University Medical Center. She was chosen to serve as chief fellow during her third and final year of fellowship.

Dr. Koprivnikar spent the early part of her career on faculty at MedStar Georgetown University Medical Center where she was active in teaching medical students, residents, and fellows. She also served as the medical co-director of the Patient Blood Management Program and was active on the institutional review board and as an investigator on many clinical trials. She is a member of the American Society of Hematology.

  • Medical Education: Sidney Kimmel Medical College, Philadelphia, PA
  • Residency: MedStar Georgetown University Medical Center, Washington, DC
  • Fellowship: MedStar Georgetown University Medical Center, Washington, DC
  • Board Certifications: Hematology, oncology, internal medicine
  • Specializations: Hematology, medical oncology
  • Research Interests: Leukemia, myelodysplastic syndrome, myeloproliferative neoplasms, aplastic anemia
  • Memberships: American Society of Hematology
  • Languages Spoken: English

Mira Hellmann, MD

Dr. Mira Hellmann specializes in Gynecologic Oncology. She treats all subtypes of gynecologic cancers including uterus, cervix, fallopian tube, ovaries, primary peritoneal, vaginal and vulvar cancer. The scope of her surgical expertise includes both traditional open surgery, as well as minimally invasive surgery. She has extensive expertise in complex laparoscopic surgery as well as robotic surgery.

Her research focus is in clinical research, including cooperative group studies, both industry-sponsored and investigator-initiated. She enjoys having the opportunity to offer patients the possibility of participating in the most cutting edge research, if they are inclined to do so.

Dr. Hellmann received her MD at SUNY Downstate in Brooklyn, and is a lifelong member of AOA. She completed her residency on Long Island Jewish Medical Center, and returned to SUNY Downstate for her fellowship training. She maintained a faculty position in central New Jersey for eight years where she developed a robust practice in a short period of time. She was active in resident and student education. She also helped spearhead a minimally invasive center that was a comprehensive resource for minimally invasive surgeons across multiple cancer specialties. She is looking forward to establishing her practice at the John Theurer Cancer Center, and to providing the highest quality of care to her patients.

Dr. Hellmann is board certified in both Obstetrics and Gynecology as well as Gynecologic Oncology.

  • Medical Education: SUNY Health Science Center at Brooklyn
  • Internship/Residency: Long Island Jewish Medical Center
  • Fellowship: SUNY Health Science Center at Brooklyn
  • Specialization: Gynecologic Oncology
  • Board Certification: Obstetrics and Gynecology, Gynecologic Oncology
  • Research Interests: Surgical innovation, clinical trials in gynecologic oncology
  • Membership: American Board of Obstetrics and Gynecology, Society of Gynecologic Oncology, Alpha Omega Alpha
  • Languages: English, Hebrew

Alan Skarbnik, MD

Alan Pierre Zausner Skarbnik, M.D. serves as a staff physician in both the Department of Bone Marrow Transplantation and the Department of Lymphoma at John Theurer Cancer Center.

Prior to joining John Theurer Cancer Center at Hackensack University Medical Center, Dr. Skarbnik was a clinical instructor in the Department of Hematology and Hematopoietic Cell Transplantation at the City of Hope National Medical Center in Duarte, California. Dr. Skarbnik also previously served as Chief Fellow of Medical Oncology and Hematology at Fox Chase Cancer Center and Temple University Hospital, and practiced at Columbia University College of Physicians and Surgeons/St. Luke’s-Roosevelt Medical Center in their internal medicine internship and residency after moving his medical career to the United States from his native Brazil.

Dr. Skarbnik has a rich research background, having served as a primary investigator at Fox Chase Cancer Center to identify biomarkers of sensitivity to mTOR inhibitors in renal cell cancer tumor samples, co-primary investigator in a Phase II study of Rituximab Intense Dosing with CHOP-21 in a 2011 ASCO/AACR workshop, and investigated the role of JAK mutations in the development of acute lymphoblastic leukemia at Memorial Sloan Kettering’s Human Oncopathogenesis Program. Dr. Skarbnik has also been extensively published and has participated in a number of presentations and poster sessions at major medical meetings.

Dr. Skarbnik specializes in hematology/oncology, and has extensive experience in a range of medical volunteer work conducted across the globe.

  • Medical Education: Universidade de Sao Paulo, Brazil
  • Residency: Columbia University College of Physicians and Surgeons/St. Luke’s-Roosevelt Medical Center, Internal Medicine Internship and Residency, 2007-2010. Hospital das Clinicas, University of Sao Paulo, Brazil, Internal Medicine Residency, 2005-2007.
  • Fellowships: City of Hope National Medical Center, Adult Hematopoietic Stem Cell Transplantation, 2013-2014. Fox Chase Cancer Center Chief Fellow 2012-2013. Fox Chase Cancer Center and Temple University Hospital, Medical Oncology and Hematology, 2010-2013.
  • Internship: Hospital das Clinicas, University of Sao Paulo, Brazil, 2002-2003.
  • Board Certifications: 2013 board-certified, American Board of Internal Medicine, Medical Oncology. 2013 board-certified, American Board of Internal Medicine, Hematology. 2010 board-certified, American Board of Internal Medicine, Internal Medicine. ACLS certification updated in 2013.
  • Honors/Awards: ASCO 2013 Merit Award. LeDor VaDor Award, presented by the President of Brazil of voluntary work. ASCO/AACR Vail Cancer Workshop selection – 2011.
  • Languages: English, Portuguese, Spanish
  • Hobbies/Interests: Multi-instrumentalist, has played in a Brazilian band

James K. McCloskey II, MD

James K. McCloskey II, M.D., works in the Division of Leukemia and the Adult Blood and Marrow Stem Cell Transplantation Program at John Theurer Cancer Center. Prior to his current position, Dr. McCloskey was a fellow in the Department of Hematology and Oncology at Georgetown University Hospital.

Dr. McCloskey has extensive research experience, serving as primary investigator in a Phase I/II non-randomized study of birinapant in combination with decitabine in patients with relapsed or refractory myelodysplastic syndrome and acute myelogenous leukemia, and was a primary investigator of cellular and molecular characterization of the immune response and minimal residual disease in patients who have completed treatment for acute myeloid leukemia. Dr. McCloskey has additionally presented a range of clinical work at major medical conferences, including MedStar Washington Hospital center multi-institutional lymphoma teleconference, Georgetown University Research Day and the Society of Comparative and Integrative Biology. Dr. McCloskey’s research has been published in the Journal of Coagulation Disorders, Advances in Clinical Oncology and Breast Cancer Research and Treatment.

Dr. McCloskey has deep roots in the philanthropic community; worked with the Lymphoma Research Foundation since 2011; and has volunteered with Food and Friends, a nonprofit that prepares and delivers meals and groceries to D.C. residents living with HIV/AIDS, cancer and other conditions since 2004.

  • Medical Education: Georgetown University School of Medicine
  • Residency: Georgetown University Hospital, Internal Medicine Resident, July 2009-2011
  • Fellowships: Chief Fellow, Department of Hematology and Oncology, Georgetown University Hospital, 2013-2014. Fellow, Department of Hematology and Oncology, Georgetown University Hospital, 2009-2013.
  • Internship: Georgetown University Hospital, Internal Medicine Intern, 2009-2011.
  • Board Certifications: 2014 board-eligible, Hematology and Oncology. 2011 board-certified, American Board of Internal Medicine.
  • Honors/Awards: Hematology Fellows Consortium Workshop, 2013. AACR/ASCO Methods of Cancer Research Workshop, 2013. Dr. Allen J. Goody Memorial Award for excellence in teaching, peer mentorship and personal integrity, Georgetown University Hospital, 2011.
  • Memberships: American Society of Clinical Oncology, American Association of Cancer Research, Housestaff Quality Council, Chemotherapy Utilization Committee, American Society of Hematology.

Samuel Singer, MD

Samuel Singer, M.D. is a neuro-oncologist at the Neurological Oncology Division – The Brain and Spine Institute at John Theurer Cancer Center. In addition to treating patients with primary brain tumors and brain metastases, he is also actively involved in research into novel therapies for these illnesses. Cancers and their treatments are frequently associated with an array of neurologic problems, including stroke, epilepsy, neuropathy and neurologic autoimmune disease, and Dr. Singer specializes in diagnosing and treating these conditions.

Prior to joining the John Theurer Cancer Center, Dr. Singer completed a fellowship in neuro-oncology at Memorial Sloan-Kettering Cancer Center and his residency in neurology at New York-Presbyterian Hospital/Weill Cornell Medical Center.

Dr. Singer is a member of the American Academy of Neurology, the American Society of Clinical Oncology and the Society for Neuro-Oncology. He is widely published in peer-reviewed journals, including Neurosurgery, Neurology, Stroke and The Oncologist.

  • Medical Education: Albert Einstein College of Medicine, Bronx, NY
  • Residency: New York-Presbyterian Hospital/Weill Cornell Medical Center, New York, NY
  • Fellowships: Memorial Sloan-Kettering Cancer Center, New York, NY
  • Board Certifications: Diplomate, American Board of Psychiatry and Neurology
  • Specializations: Neurology
  • Memberships:
    • Alpha Omega Alpha Medical Honor Society 2007
    • American Academy of Neurology, since 2009
    • American Society Clinical Oncology, since 2012
    • Society for Neuro-Oncology, since 2012
  • Languages Spoken: English, Hebrew

Noa Biran, MD

Noa Biran, MD, joined the Myeloma Division at John Theurer Cancer Center in September 2014.

Dr. Biran previously served as Chief Fellow of Hematology and Medical Oncology at Icahn School of Medicine at Mount Sinai, New York, where she also practiced in their internal medicine internship and residency. She received her medical degree from The George Washington University in Washington, D.C. As a fellow at Icahn School of Medicine, Dr. Biran participated in numerous lecture series and training sessions for medical students, residents, and nurse practitioners.

Dr. Biran is actively involved with clinical research focusing on multiple myeloma. She has presented a range of clinical work at international and national conferences such as the American Society of Hematology and the Society of Hematologic Oncology. She is widely published in hematology and oncology journals such as American Journal of Hematology, Current Hematologic Malignancy Reports, and The Hemophilia Report, with a research focus on high-risk multiple myeloma and the role of minimal residual disease in multiple myeloma. She has also co-authored a chapter in Essentials of Hospital Medicine: A Practical Guide for Clinicians, entitled “Oncologic Emergencies.” She is an active and valued member of the European Society for Medical Oncology, American Society of Clinical Oncology and American Society of Hematology.

Robert S. Alter, MD

Dr. Robert Alter specializes in medical oncology and hematology, and is board certified in internal medicine, medical oncology and hematology. For more than 15 years, Dr. Alter has been treating patients in the New Jersey community. Dr. Alter is actively involved in genitourinary and head and neck cancer research.

Dr. Alter received his medical degree from the University of Health Sciences/The Chicago Medical School. He completed his residency at St. Luke’s/Roosevelt Hospital Center, New York, New York in internal medicine and received his fellowship training at New York University Medical Center in hematology/oncology.

Dr. Alter holds an appointment at Hackensack University Medical Center. He is also the Chairman of the Transfusion Committee at St. Clare’s Hospital, and a member of the American Cancer Society.

Tracy Proverbs-Singh, MD MPH

Dr. Tracy Proverbs-Singh specializes in medical oncology and is board certified. She received her medical degree from University of Pittsburgh and completed her internal medicine residency at Mount Sinai Hospital.

Medical Education: University of Pittsburgh
Residency Internship: Mount Sinai Hospital
Certification: Internal Medicine
Languages: English

Lori Ann Leslie, MD

Dr. Lori Ann Leslie specializes in hematology and medical oncology. Her specific clinical and research interests include non-Hodgkin lymphoma, Hodgkin lymphoma, and chronic lymphocytic leukemia.

Dr. Leslie received her MD from Columbia University College of Physicians and Surgeons, and stayed at Columbia University for internal medicine residency. She completed fellowship training at The University of Texas M.D. Anderson Cancer Center, where she served as Chief Fellow. Born and raised in Morristown, NJ, Dr. Leslie is ecstatic about the opportunity to return to her home state and join the John Theurer Cancer Center.

  • Medical Education: Columbia University, College of Physicians and Surgeons.
  • Internal Medicine Internship and Residency: New York Presbyterian Hospital, Columbia University.
  • Hematology/Oncology Fellowship: The University of Texas, MD Anderson Cancer Center.
  • Board Certifications/Eligibility: Hematology and Medical Oncology board eligible in 2015, Internal Medicine board certified in 2012
  • Memberships: American Society of Clinical Oncology, American Society of Hematology
  • Specializations: Lymphoma and CLL
  • Research Interests: Lymphoma and CLL
  • Languages Spoken: English

Jamie Koprivnikar, MD

Dr. Jamie Koprvinikar specializes in hematology and medical oncology and is board certified in both. She also holds a board certification in internal medicine.

Dr. Koprivnikar received her medical degree from the Sidney Kimmel Medical College, formerly Jefferson Medical College of Thomas Jefferson University, in Philadelphia, PA. She completed her internal medicine residency at MedStar Georgetown University Medical Center in Washington, DC. She then completed a fellowship in hematology and oncology, also at MedStar Georgetown University Medical Center. She was chosen to serve as chief fellow during her third and final year of fellowship.

Dr. Koprivnikar spent the early part of her career on faculty at MedStar Georgetown University Medical Center where she was active in teaching medical students, residents, and fellows. She also served as the medical co-director of the Patient Blood Management Program and was active on the institutional review board and as an investigator on many clinical trials. She is a member of the American Society of Hematology.

  • Medical Education: Sidney Kimmel Medical College, Philadelphia, PA
  • Residency: MedStar Georgetown University Medical Center, Washington, DC
  • Fellowship: MedStar Georgetown University Medical Center, Washington, DC
  • Board Certifications: Hematology, oncology, internal medicine
  • Specializations: Hematology, medical oncology
  • Research Interests: Leukemia, myelodysplastic syndrome, myeloproliferative neoplasms, aplastic anemia
  • Memberships: American Society of Hematology
  • Languages Spoken: English

Mira Hellmann, MD

Dr. Mira Hellmann specializes in Gynecologic Oncology. She treats all subtypes of gynecologic cancers including uterus, cervix, fallopian tube, ovaries, primary peritoneal, vaginal and vulvar cancer. The scope of her surgical expertise includes both traditional open surgery, as well as minimally invasive surgery. She has extensive expertise in complex laparoscopic surgery as well as robotic surgery.

Her research focus is in clinical research, including cooperative group studies, both industry-sponsored and investigator-initiated. She enjoys having the opportunity to offer patients the possibility of participating in the most cutting edge research, if they are inclined to do so.

Dr. Hellmann received her MD at SUNY Downstate in Brooklyn, and is a lifelong member of AOA. She completed her residency on Long Island Jewish Medical Center, and returned to SUNY Downstate for her fellowship training. She maintained a faculty position in central New Jersey for eight years where she developed a robust practice in a short period of time. She was active in resident and student education. She also helped spearhead a minimally invasive center that was a comprehensive resource for minimally invasive surgeons across multiple cancer specialties. She is looking forward to establishing her practice at the John Theurer Cancer Center, and to providing the highest quality of care to her patients.

Dr. Hellmann is board certified in both Obstetrics and Gynecology as well as Gynecologic Oncology.

  • Medical Education: SUNY Health Science Center at Brooklyn
  • Internship/Residency: Long Island Jewish Medical Center
  • Fellowship: SUNY Health Science Center at Brooklyn
  • Specialization: Gynecologic Oncology
  • Board Certification: Obstetrics and Gynecology, Gynecologic Oncology
  • Research Interests: Surgical innovation, clinical trials in gynecologic oncology
  • Membership: American Board of Obstetrics and Gynecology, Society of Gynecologic Oncology, Alpha Omega Alpha
  • Languages: English, Hebrew

Alan Skarbnik, MD

Alan Pierre Zausner Skarbnik, M.D. serves as a staff physician in both the Department of Bone Marrow Transplantation and the Department of Lymphoma at John Theurer Cancer Center.

Prior to joining John Theurer Cancer Center at Hackensack University Medical Center, Dr. Skarbnik was a clinical instructor in the Department of Hematology and Hematopoietic Cell Transplantation at the City of Hope National Medical Center in Duarte, California. Dr. Skarbnik also previously served as Chief Fellow of Medical Oncology and Hematology at Fox Chase Cancer Center and Temple University Hospital, and practiced at Columbia University College of Physicians and Surgeons/St. Luke’s-Roosevelt Medical Center in their internal medicine internship and residency after moving his medical career to the United States from his native Brazil.

Dr. Skarbnik has a rich research background, having served as a primary investigator at Fox Chase Cancer Center to identify biomarkers of sensitivity to mTOR inhibitors in renal cell cancer tumor samples, co-primary investigator in a Phase II study of Rituximab Intense Dosing with CHOP-21 in a 2011 ASCO/AACR workshop, and investigated the role of JAK mutations in the development of acute lymphoblastic leukemia at Memorial Sloan Kettering’s Human Oncopathogenesis Program. Dr. Skarbnik has also been extensively published and has participated in a number of presentations and poster sessions at major medical meetings.

Dr. Skarbnik specializes in hematology/oncology, and has extensive experience in a range of medical volunteer work conducted across the globe.

  • Medical Education: Universidade de Sao Paulo, Brazil
  • Residency: Columbia University College of Physicians and Surgeons/St. Luke’s-Roosevelt Medical Center, Internal Medicine Internship and Residency, 2007-2010. Hospital das Clinicas, University of Sao Paulo, Brazil, Internal Medicine Residency, 2005-2007.
  • Fellowships: City of Hope National Medical Center, Adult Hematopoietic Stem Cell Transplantation, 2013-2014. Fox Chase Cancer Center Chief Fellow 2012-2013. Fox Chase Cancer Center and Temple University Hospital, Medical Oncology and Hematology, 2010-2013.
  • Internship: Hospital das Clinicas, University of Sao Paulo, Brazil, 2002-2003.
  • Board Certifications: 2013 board-certified, American Board of Internal Medicine, Medical Oncology. 2013 board-certified, American Board of Internal Medicine, Hematology. 2010 board-certified, American Board of Internal Medicine, Internal Medicine. ACLS certification updated in 2013.
  • Honors/Awards: ASCO 2013 Merit Award. LeDor VaDor Award, presented by the President of Brazil of voluntary work. ASCO/AACR Vail Cancer Workshop selection – 2011.
  • Languages: English, Portuguese, Spanish
  • Hobbies/Interests: Multi-instrumentalist, has played in a Brazilian band

James K. McCloskey II, MD

James K. McCloskey II, M.D., works in the Division of Leukemia and the Adult Blood and Marrow Stem Cell Transplantation Program at John Theurer Cancer Center. Prior to his current position, Dr. McCloskey was a fellow in the Department of Hematology and Oncology at Georgetown University Hospital.

Dr. McCloskey has extensive research experience, serving as primary investigator in a Phase I/II non-randomized study of birinapant in combination with decitabine in patients with relapsed or refractory myelodysplastic syndrome and acute myelogenous leukemia, and was a primary investigator of cellular and molecular characterization of the immune response and minimal residual disease in patients who have completed treatment for acute myeloid leukemia. Dr. McCloskey has additionally presented a range of clinical work at major medical conferences, including MedStar Washington Hospital center multi-institutional lymphoma teleconference, Georgetown University Research Day and the Society of Comparative and Integrative Biology. Dr. McCloskey’s research has been published in the Journal of Coagulation Disorders, Advances in Clinical Oncology and Breast Cancer Research and Treatment.

Dr. McCloskey has deep roots in the philanthropic community; worked with the Lymphoma Research Foundation since 2011; and has volunteered with Food and Friends, a nonprofit that prepares and delivers meals and groceries to D.C. residents living with HIV/AIDS, cancer and other conditions since 2004.

  • Medical Education: Georgetown University School of Medicine
  • Residency: Georgetown University Hospital, Internal Medicine Resident, July 2009-2011
  • Fellowships: Chief Fellow, Department of Hematology and Oncology, Georgetown University Hospital, 2013-2014. Fellow, Department of Hematology and Oncology, Georgetown University Hospital, 2009-2013.
  • Internship: Georgetown University Hospital, Internal Medicine Intern, 2009-2011.
  • Board Certifications: 2014 board-eligible, Hematology and Oncology. 2011 board-certified, American Board of Internal Medicine.
  • Honors/Awards: Hematology Fellows Consortium Workshop, 2013. AACR/ASCO Methods of Cancer Research Workshop, 2013. Dr. Allen J. Goody Memorial Award for excellence in teaching, peer mentorship and personal integrity, Georgetown University Hospital, 2011.
  • Memberships: American Society of Clinical Oncology, American Association of Cancer Research, Housestaff Quality Council, Chemotherapy Utilization Committee, American Society of Hematology.

Samuel Singer, MD

Samuel Singer, M.D. is a neuro-oncologist at the Neurological Oncology Division – The Brain and Spine Institute at John Theurer Cancer Center. In addition to treating patients with primary brain tumors and brain metastases, he is also actively involved in research into novel therapies for these illnesses. Cancers and their treatments are frequently associated with an array of neurologic problems, including stroke, epilepsy, neuropathy and neurologic autoimmune disease, and Dr. Singer specializes in diagnosing and treating these conditions.

Prior to joining the John Theurer Cancer Center, Dr. Singer completed a fellowship in neuro-oncology at Memorial Sloan-Kettering Cancer Center and his residency in neurology at New York-Presbyterian Hospital/Weill Cornell Medical Center.

Dr. Singer is a member of the American Academy of Neurology, the American Society of Clinical Oncology and the Society for Neuro-Oncology. He is widely published in peer-reviewed journals, including Neurosurgery, Neurology, Stroke and The Oncologist.

  • Medical Education: Albert Einstein College of Medicine, Bronx, NY
  • Residency: New York-Presbyterian Hospital/Weill Cornell Medical Center, New York, NY
  • Fellowships: Memorial Sloan-Kettering Cancer Center, New York, NY
  • Board Certifications: Diplomate, American Board of Psychiatry and Neurology
  • Specializations: Neurology
  • Memberships:
    • Alpha Omega Alpha Medical Honor Society 2007
    • American Academy of Neurology, since 2009
    • American Society Clinical Oncology, since 2012
    • Society for Neuro-Oncology, since 2012
  • Languages Spoken: English, Hebrew

Noa Biran, MD

Noa Biran, MD, joined the Myeloma Division at John Theurer Cancer Center in September 2014.

Dr. Biran previously served as Chief Fellow of Hematology and Medical Oncology at Icahn School of Medicine at Mount Sinai, New York, where she also practiced in their internal medicine internship and residency. She received her medical degree from The George Washington University in Washington, D.C. As a fellow at Icahn School of Medicine, Dr. Biran participated in numerous lecture series and training sessions for medical students, residents, and nurse practitioners.

Dr. Biran is actively involved with clinical research focusing on multiple myeloma. She has presented a range of clinical work at international and national conferences such as the American Society of Hematology and the Society of Hematologic Oncology. She is widely published in hematology and oncology journals such as American Journal of Hematology, Current Hematologic Malignancy Reports, and The Hemophilia Report, with a research focus on high-risk multiple myeloma and the role of minimal residual disease in multiple myeloma. She has also co-authored a chapter in Essentials of Hospital Medicine: A Practical Guide for Clinicians, entitled “Oncologic Emergencies.” She is an active and valued member of the European Society for Medical Oncology, American Society of Clinical Oncology and American Society of Hematology.

Robert S. Alter, MD

Dr. Robert Alter specializes in medical oncology and hematology, and is board certified in internal medicine, medical oncology and hematology. For more than 15 years, Dr. Alter has been treating patients in the New Jersey community. Dr. Alter is actively involved in genitourinary and head and neck cancer research.

Dr. Alter received his medical degree from the University of Health Sciences/The Chicago Medical School. He completed his residency at St. Luke’s/Roosevelt Hospital Center, New York, New York in internal medicine and received his fellowship training at New York University Medical Center in hematology/oncology.

Dr. Alter holds an appointment at Hackensack University Medical Center. He is also the Chairman of the Transfusion Committee at St. Clare’s Hospital, and a member of the American Cancer Society.

Tracy Proverbs-Singh, MD MPH

Dr. Tracy Proverbs-Singh specializes in medical oncology and is board certified. She received her medical degree from University of Pittsburgh and completed her internal medicine residency at Mount Sinai Hospital.

Medical Education: University of Pittsburgh
Residency Internship: Mount Sinai Hospital
Certification: Internal Medicine
Languages: English

Lori Ann Leslie, MD

Dr. Lori Ann Leslie specializes in hematology and medical oncology. Her specific clinical and research interests include non-Hodgkin lymphoma, Hodgkin lymphoma, and chronic lymphocytic leukemia.

Dr. Leslie received her MD from Columbia University College of Physicians and Surgeons, and stayed at Columbia University for internal medicine residency. She completed fellowship training at The University of Texas M.D. Anderson Cancer Center, where she served as Chief Fellow. Born and raised in Morristown, NJ, Dr. Leslie is ecstatic about the opportunity to return to her home state and join the John Theurer Cancer Center.

  • Medical Education: Columbia University, College of Physicians and Surgeons.
  • Internal Medicine Internship and Residency: New York Presbyterian Hospital, Columbia University.
  • Hematology/Oncology Fellowship: The University of Texas, MD Anderson Cancer Center.
  • Board Certifications/Eligibility: Hematology and Medical Oncology board eligible in 2015, Internal Medicine board certified in 2012
  • Memberships: American Society of Clinical Oncology, American Society of Hematology
  • Specializations: Lymphoma and CLL
  • Research Interests: Lymphoma and CLL
  • Languages Spoken: English

Jamie Koprivnikar, MD

Dr. Jamie Koprvinikar specializes in hematology and medical oncology and is board certified in both. She also holds a board certification in internal medicine.

Dr. Koprivnikar received her medical degree from the Sidney Kimmel Medical College, formerly Jefferson Medical College of Thomas Jefferson University, in Philadelphia, PA. She completed her internal medicine residency at MedStar Georgetown University Medical Center in Washington, DC. She then completed a fellowship in hematology and oncology, also at MedStar Georgetown University Medical Center. She was chosen to serve as chief fellow during her third and final year of fellowship.

Dr. Koprivnikar spent the early part of her career on faculty at MedStar Georgetown University Medical Center where she was active in teaching medical students, residents, and fellows. She also served as the medical co-director of the Patient Blood Management Program and was active on the institutional review board and as an investigator on many clinical trials. She is a member of the American Society of Hematology.

  • Medical Education: Sidney Kimmel Medical College, Philadelphia, PA
  • Residency: MedStar Georgetown University Medical Center, Washington, DC
  • Fellowship: MedStar Georgetown University Medical Center, Washington, DC
  • Board Certifications: Hematology, oncology, internal medicine
  • Specializations: Hematology, medical oncology
  • Research Interests: Leukemia, myelodysplastic syndrome, myeloproliferative neoplasms, aplastic anemia
  • Memberships: American Society of Hematology
  • Languages Spoken: English

Mira Hellmann, MD

Dr. Mira Hellmann specializes in Gynecologic Oncology. She treats all subtypes of gynecologic cancers including uterus, cervix, fallopian tube, ovaries, primary peritoneal, vaginal and vulvar cancer. The scope of her surgical expertise includes both traditional open surgery, as well as minimally invasive surgery. She has extensive expertise in complex laparoscopic surgery as well as robotic surgery.

Her research focus is in clinical research, including cooperative group studies, both industry-sponsored and investigator-initiated. She enjoys having the opportunity to offer patients the possibility of participating in the most cutting edge research, if they are inclined to do so.

Dr. Hellmann received her MD at SUNY Downstate in Brooklyn, and is a lifelong member of AOA. She completed her residency on Long Island Jewish Medical Center, and returned to SUNY Downstate for her fellowship training. She maintained a faculty position in central New Jersey for eight years where she developed a robust practice in a short period of time. She was active in resident and student education. She also helped spearhead a minimally invasive center that was a comprehensive resource for minimally invasive surgeons across multiple cancer specialties. She is looking forward to establishing her practice at the John Theurer Cancer Center, and to providing the highest quality of care to her patients.

Dr. Hellmann is board certified in both Obstetrics and Gynecology as well as Gynecologic Oncology.

  • Medical Education: SUNY Health Science Center at Brooklyn
  • Internship/Residency: Long Island Jewish Medical Center
  • Fellowship: SUNY Health Science Center at Brooklyn
  • Specialization: Gynecologic Oncology
  • Board Certification: Obstetrics and Gynecology, Gynecologic Oncology
  • Research Interests: Surgical innovation, clinical trials in gynecologic oncology
  • Membership: American Board of Obstetrics and Gynecology, Society of Gynecologic Oncology, Alpha Omega Alpha
  • Languages: English, Hebrew

Alan Skarbnik, MD

Alan Pierre Zausner Skarbnik, M.D. serves as a staff physician in both the Department of Bone Marrow Transplantation and the Department of Lymphoma at John Theurer Cancer Center.

Prior to joining John Theurer Cancer Center at Hackensack University Medical Center, Dr. Skarbnik was a clinical instructor in the Department of Hematology and Hematopoietic Cell Transplantation at the City of Hope National Medical Center in Duarte, California. Dr. Skarbnik also previously served as Chief Fellow of Medical Oncology and Hematology at Fox Chase Cancer Center and Temple University Hospital, and practiced at Columbia University College of Physicians and Surgeons/St. Luke’s-Roosevelt Medical Center in their internal medicine internship and residency after moving his medical career to the United States from his native Brazil.

Dr. Skarbnik has a rich research background, having served as a primary investigator at Fox Chase Cancer Center to identify biomarkers of sensitivity to mTOR inhibitors in renal cell cancer tumor samples, co-primary investigator in a Phase II study of Rituximab Intense Dosing with CHOP-21 in a 2011 ASCO/AACR workshop, and investigated the role of JAK mutations in the development of acute lymphoblastic leukemia at Memorial Sloan Kettering’s Human Oncopathogenesis Program. Dr. Skarbnik has also been extensively published and has participated in a number of presentations and poster sessions at major medical meetings.

Dr. Skarbnik specializes in hematology/oncology, and has extensive experience in a range of medical volunteer work conducted across the globe.

  • Medical Education: Universidade de Sao Paulo, Brazil
  • Residency: Columbia University College of Physicians and Surgeons/St. Luke’s-Roosevelt Medical Center, Internal Medicine Internship and Residency, 2007-2010. Hospital das Clinicas, University of Sao Paulo, Brazil, Internal Medicine Residency, 2005-2007.
  • Fellowships: City of Hope National Medical Center, Adult Hematopoietic Stem Cell Transplantation, 2013-2014. Fox Chase Cancer Center Chief Fellow 2012-2013. Fox Chase Cancer Center and Temple University Hospital, Medical Oncology and Hematology, 2010-2013.
  • Internship: Hospital das Clinicas, University of Sao Paulo, Brazil, 2002-2003.
  • Board Certifications: 2013 board-certified, American Board of Internal Medicine, Medical Oncology. 2013 board-certified, American Board of Internal Medicine, Hematology. 2010 board-certified, American Board of Internal Medicine, Internal Medicine. ACLS certification updated in 2013.
  • Honors/Awards: ASCO 2013 Merit Award. LeDor VaDor Award, presented by the President of Brazil of voluntary work. ASCO/AACR Vail Cancer Workshop selection – 2011.
  • Languages: English, Portuguese, Spanish
  • Hobbies/Interests: Multi-instrumentalist, has played in a Brazilian band

James K. McCloskey II, MD

James K. McCloskey II, M.D., works in the Division of Leukemia and the Adult Blood and Marrow Stem Cell Transplantation Program at John Theurer Cancer Center. Prior to his current position, Dr. McCloskey was a fellow in the Department of Hematology and Oncology at Georgetown University Hospital.

Dr. McCloskey has extensive research experience, serving as primary investigator in a Phase I/II non-randomized study of birinapant in combination with decitabine in patients with relapsed or refractory myelodysplastic syndrome and acute myelogenous leukemia, and was a primary investigator of cellular and molecular characterization of the immune response and minimal residual disease in patients who have completed treatment for acute myeloid leukemia. Dr. McCloskey has additionally presented a range of clinical work at major medical conferences, including MedStar Washington Hospital center multi-institutional lymphoma teleconference, Georgetown University Research Day and the Society of Comparative and Integrative Biology. Dr. McCloskey’s research has been published in the Journal of Coagulation Disorders, Advances in Clinical Oncology and Breast Cancer Research and Treatment.

Dr. McCloskey has deep roots in the philanthropic community; worked with the Lymphoma Research Foundation since 2011; and has volunteered with Food and Friends, a nonprofit that prepares and delivers meals and groceries to D.C. residents living with HIV/AIDS, cancer and other conditions since 2004.

  • Medical Education: Georgetown University School of Medicine
  • Residency: Georgetown University Hospital, Internal Medicine Resident, July 2009-2011
  • Fellowships: Chief Fellow, Department of Hematology and Oncology, Georgetown University Hospital, 2013-2014. Fellow, Department of Hematology and Oncology, Georgetown University Hospital, 2009-2013.
  • Internship: Georgetown University Hospital, Internal Medicine Intern, 2009-2011.
  • Board Certifications: 2014 board-eligible, Hematology and Oncology. 2011 board-certified, American Board of Internal Medicine.
  • Honors/Awards: Hematology Fellows Consortium Workshop, 2013. AACR/ASCO Methods of Cancer Research Workshop, 2013. Dr. Allen J. Goody Memorial Award for excellence in teaching, peer mentorship and personal integrity, Georgetown University Hospital, 2011.
  • Memberships: American Society of Clinical Oncology, American Association of Cancer Research, Housestaff Quality Council, Chemotherapy Utilization Committee, American Society of Hematology.

Samuel Singer, MD

Samuel Singer, M.D. is a neuro-oncologist at the Neurological Oncology Division – The Brain and Spine Institute at John Theurer Cancer Center. In addition to treating patients with primary brain tumors and brain metastases, he is also actively involved in research into novel therapies for these illnesses. Cancers and their treatments are frequently associated with an array of neurologic problems, including stroke, epilepsy, neuropathy and neurologic autoimmune disease, and Dr. Singer specializes in diagnosing and treating these conditions.

Prior to joining the John Theurer Cancer Center, Dr. Singer completed a fellowship in neuro-oncology at Memorial Sloan-Kettering Cancer Center and his residency in neurology at New York-Presbyterian Hospital/Weill Cornell Medical Center.

Dr. Singer is a member of the American Academy of Neurology, the American Society of Clinical Oncology and the Society for Neuro-Oncology. He is widely published in peer-reviewed journals, including Neurosurgery, Neurology, Stroke and The Oncologist.

  • Medical Education: Albert Einstein College of Medicine, Bronx, NY
  • Residency: New York-Presbyterian Hospital/Weill Cornell Medical Center, New York, NY
  • Fellowships: Memorial Sloan-Kettering Cancer Center, New York, NY
  • Board Certifications: Diplomate, American Board of Psychiatry and Neurology
  • Specializations: Neurology
  • Memberships:
    • Alpha Omega Alpha Medical Honor Society 2007
    • American Academy of Neurology, since 2009
    • American Society Clinical Oncology, since 2012
    • Society for Neuro-Oncology, since 2012
  • Languages Spoken: English, Hebrew

Noa Biran, MD

Noa Biran, MD, joined the Myeloma Division at John Theurer Cancer Center in September 2014.

Dr. Biran previously served as Chief Fellow of Hematology and Medical Oncology at Icahn School of Medicine at Mount Sinai, New York, where she also practiced in their internal medicine internship and residency. She received her medical degree from The George Washington University in Washington, D.C. As a fellow at Icahn School of Medicine, Dr. Biran participated in numerous lecture series and training sessions for medical students, residents, and nurse practitioners.

Dr. Biran is actively involved with clinical research focusing on multiple myeloma. She has presented a range of clinical work at international and national conferences such as the American Society of Hematology and the Society of Hematologic Oncology. She is widely published in hematology and oncology journals such as American Journal of Hematology, Current Hematologic Malignancy Reports, and The Hemophilia Report, with a research focus on high-risk multiple myeloma and the role of minimal residual disease in multiple myeloma. She has also co-authored a chapter in Essentials of Hospital Medicine: A Practical Guide for Clinicians, entitled “Oncologic Emergencies.” She is an active and valued member of the European Society for Medical Oncology, American Society of Clinical Oncology and American Society of Hematology.

Robert S. Alter, MD

Dr. Robert Alter specializes in medical oncology and hematology, and is board certified in internal medicine, medical oncology and hematology. For more than 15 years, Dr. Alter has been treating patients in the New Jersey community. Dr. Alter is actively involved in genitourinary and head and neck cancer research.

Dr. Alter received his medical degree from the University of Health Sciences/The Chicago Medical School. He completed his residency at St. Luke’s/Roosevelt Hospital Center, New York, New York in internal medicine and received his fellowship training at New York University Medical Center in hematology/oncology.

Dr. Alter holds an appointment at Hackensack University Medical Center. He is also the Chairman of the Transfusion Committee at St. Clare’s Hospital, and a member of the American Cancer Society.

Tracy Proverbs-Singh, MD MPH

Dr. Tracy Proverbs-Singh specializes in medical oncology and is board certified. She received her medical degree from University of Pittsburgh and completed her internal medicine residency at Mount Sinai Hospital.

Medical Education: University of Pittsburgh
Residency Internship: Mount Sinai Hospital
Certification: Internal Medicine
Languages: English

Lori Ann Leslie, MD

Dr. Lori Ann Leslie specializes in hematology and medical oncology. Her specific clinical and research interests include non-Hodgkin lymphoma, Hodgkin lymphoma, and chronic lymphocytic leukemia.

Dr. Leslie received her MD from Columbia University College of Physicians and Surgeons, and stayed at Columbia University for internal medicine residency. She completed fellowship training at The University of Texas M.D. Anderson Cancer Center, where she served as Chief Fellow. Born and raised in Morristown, NJ, Dr. Leslie is ecstatic about the opportunity to return to her home state and join the John Theurer Cancer Center.

  • Medical Education: Columbia University, College of Physicians and Surgeons.
  • Internal Medicine Internship and Residency: New York Presbyterian Hospital, Columbia University.
  • Hematology/Oncology Fellowship: The University of Texas, MD Anderson Cancer Center.
  • Board Certifications/Eligibility: Hematology and Medical Oncology board eligible in 2015, Internal Medicine board certified in 2012
  • Memberships: American Society of Clinical Oncology, American Society of Hematology
  • Specializations: Lymphoma and CLL
  • Research Interests: Lymphoma and CLL
  • Languages Spoken: English

Jamie Koprivnikar, MD

Dr. Jamie Koprvinikar specializes in hematology and medical oncology and is board certified in both. She also holds a board certification in internal medicine.

Dr. Koprivnikar received her medical degree from the Sidney Kimmel Medical College, formerly Jefferson Medical College of Thomas Jefferson University, in Philadelphia, PA. She completed her internal medicine residency at MedStar Georgetown University Medical Center in Washington, DC. She then completed a fellowship in hematology and oncology, also at MedStar Georgetown University Medical Center. She was chosen to serve as chief fellow during her third and final year of fellowship.

Dr. Koprivnikar spent the early part of her career on faculty at MedStar Georgetown University Medical Center where she was active in teaching medical students, residents, and fellows. She also served as the medical co-director of the Patient Blood Management Program and was active on the institutional review board and as an investigator on many clinical trials. She is a member of the American Society of Hematology.

  • Medical Education: Sidney Kimmel Medical College, Philadelphia, PA
  • Residency: MedStar Georgetown University Medical Center, Washington, DC
  • Fellowship: MedStar Georgetown University Medical Center, Washington, DC
  • Board Certifications: Hematology, oncology, internal medicine
  • Specializations: Hematology, medical oncology
  • Research Interests: Leukemia, myelodysplastic syndrome, myeloproliferative neoplasms, aplastic anemia
  • Memberships: American Society of Hematology
  • Languages Spoken: English

Mira Hellmann, MD

Dr. Mira Hellmann specializes in Gynecologic Oncology. She treats all subtypes of gynecologic cancers including uterus, cervix, fallopian tube, ovaries, primary peritoneal, vaginal and vulvar cancer. The scope of her surgical expertise includes both traditional open surgery, as well as minimally invasive surgery. She has extensive expertise in complex laparoscopic surgery as well as robotic surgery.

Her research focus is in clinical research, including cooperative group studies, both industry-sponsored and investigator-initiated. She enjoys having the opportunity to offer patients the possibility of participating in the most cutting edge research, if they are inclined to do so.

Dr. Hellmann received her MD at SUNY Downstate in Brooklyn, and is a lifelong member of AOA. She completed her residency on Long Island Jewish Medical Center, and returned to SUNY Downstate for her fellowship training. She maintained a faculty position in central New Jersey for eight years where she developed a robust practice in a short period of time. She was active in resident and student education. She also helped spearhead a minimally invasive center that was a comprehensive resource for minimally invasive surgeons across multiple cancer specialties. She is looking forward to establishing her practice at the John Theurer Cancer Center, and to providing the highest quality of care to her patients.

Dr. Hellmann is board certified in both Obstetrics and Gynecology as well as Gynecologic Oncology.

  • Medical Education: SUNY Health Science Center at Brooklyn
  • Internship/Residency: Long Island Jewish Medical Center
  • Fellowship: SUNY Health Science Center at Brooklyn
  • Specialization: Gynecologic Oncology
  • Board Certification: Obstetrics and Gynecology, Gynecologic Oncology
  • Research Interests: Surgical innovation, clinical trials in gynecologic oncology
  • Membership: American Board of Obstetrics and Gynecology, Society of Gynecologic Oncology, Alpha Omega Alpha
  • Languages: English, Hebrew

Alan Skarbnik, MD

Alan Pierre Zausner Skarbnik, M.D. serves as a staff physician in both the Department of Bone Marrow Transplantation and the Department of Lymphoma at John Theurer Cancer Center.

Prior to joining John Theurer Cancer Center at Hackensack University Medical Center, Dr. Skarbnik was a clinical instructor in the Department of Hematology and Hematopoietic Cell Transplantation at the City of Hope National Medical Center in Duarte, California. Dr. Skarbnik also previously served as Chief Fellow of Medical Oncology and Hematology at Fox Chase Cancer Center and Temple University Hospital, and practiced at Columbia University College of Physicians and Surgeons/St. Luke’s-Roosevelt Medical Center in their internal medicine internship and residency after moving his medical career to the United States from his native Brazil.

Dr. Skarbnik has a rich research background, having served as a primary investigator at Fox Chase Cancer Center to identify biomarkers of sensitivity to mTOR inhibitors in renal cell cancer tumor samples, co-primary investigator in a Phase II study of Rituximab Intense Dosing with CHOP-21 in a 2011 ASCO/AACR workshop, and investigated the role of JAK mutations in the development of acute lymphoblastic leukemia at Memorial Sloan Kettering’s Human Oncopathogenesis Program. Dr. Skarbnik has also been extensively published and has participated in a number of presentations and poster sessions at major medical meetings.

Dr. Skarbnik specializes in hematology/oncology, and has extensive experience in a range of medical volunteer work conducted across the globe.

  • Medical Education: Universidade de Sao Paulo, Brazil
  • Residency: Columbia University College of Physicians and Surgeons/St. Luke’s-Roosevelt Medical Center, Internal Medicine Internship and Residency, 2007-2010. Hospital das Clinicas, University of Sao Paulo, Brazil, Internal Medicine Residency, 2005-2007.
  • Fellowships: City of Hope National Medical Center, Adult Hematopoietic Stem Cell Transplantation, 2013-2014. Fox Chase Cancer Center Chief Fellow 2012-2013. Fox Chase Cancer Center and Temple University Hospital, Medical Oncology and Hematology, 2010-2013.
  • Internship: Hospital das Clinicas, University of Sao Paulo, Brazil, 2002-2003.
  • Board Certifications: 2013 board-certified, American Board of Internal Medicine, Medical Oncology. 2013 board-certified, American Board of Internal Medicine, Hematology. 2010 board-certified, American Board of Internal Medicine, Internal Medicine. ACLS certification updated in 2013.
  • Honors/Awards: ASCO 2013 Merit Award. LeDor VaDor Award, presented by the President of Brazil of voluntary work. ASCO/AACR Vail Cancer Workshop selection – 2011.
  • Languages: English, Portuguese, Spanish
  • Hobbies/Interests: Multi-instrumentalist, has played in a Brazilian band

James K. McCloskey II, MD

James K. McCloskey II, M.D., works in the Division of Leukemia and the Adult Blood and Marrow Stem Cell Transplantation Program at John Theurer Cancer Center. Prior to his current position, Dr. McCloskey was a fellow in the Department of Hematology and Oncology at Georgetown University Hospital.

Dr. McCloskey has extensive research experience, serving as primary investigator in a Phase I/II non-randomized study of birinapant in combination with decitabine in patients with relapsed or refractory myelodysplastic syndrome and acute myelogenous leukemia, and was a primary investigator of cellular and molecular characterization of the immune response and minimal residual disease in patients who have completed treatment for acute myeloid leukemia. Dr. McCloskey has additionally presented a range of clinical work at major medical conferences, including MedStar Washington Hospital center multi-institutional lymphoma teleconference, Georgetown University Research Day and the Society of Comparative and Integrative Biology. Dr. McCloskey’s research has been published in the Journal of Coagulation Disorders, Advances in Clinical Oncology and Breast Cancer Research and Treatment.

Dr. McCloskey has deep roots in the philanthropic community; worked with the Lymphoma Research Foundation since 2011; and has volunteered with Food and Friends, a nonprofit that prepares and delivers meals and groceries to D.C. residents living with HIV/AIDS, cancer and other conditions since 2004.

  • Medical Education: Georgetown University School of Medicine
  • Residency: Georgetown University Hospital, Internal Medicine Resident, July 2009-2011
  • Fellowships: Chief Fellow, Department of Hematology and Oncology, Georgetown University Hospital, 2013-2014. Fellow, Department of Hematology and Oncology, Georgetown University Hospital, 2009-2013.
  • Internship: Georgetown University Hospital, Internal Medicine Intern, 2009-2011.
  • Board Certifications: 2014 board-eligible, Hematology and Oncology. 2011 board-certified, American Board of Internal Medicine.
  • Honors/Awards: Hematology Fellows Consortium Workshop, 2013. AACR/ASCO Methods of Cancer Research Workshop, 2013. Dr. Allen J. Goody Memorial Award for excellence in teaching, peer mentorship and personal integrity, Georgetown University Hospital, 2011.
  • Memberships: American Society of Clinical Oncology, American Association of Cancer Research, Housestaff Quality Council, Chemotherapy Utilization Committee, American Society of Hematology.

Samuel Singer, MD

Samuel Singer, M.D. is a neuro-oncologist at the Neurological Oncology Division – The Brain and Spine Institute at John Theurer Cancer Center. In addition to treating patients with primary brain tumors and brain metastases, he is also actively involved in research into novel therapies for these illnesses. Cancers and their treatments are frequently associated with an array of neurologic problems, including stroke, epilepsy, neuropathy and neurologic autoimmune disease, and Dr. Singer specializes in diagnosing and treating these conditions.

Prior to joining the John Theurer Cancer Center, Dr. Singer completed a fellowship in neuro-oncology at Memorial Sloan-Kettering Cancer Center and his residency in neurology at New York-Presbyterian Hospital/Weill Cornell Medical Center.

Dr. Singer is a member of the American Academy of Neurology, the American Society of Clinical Oncology and the Society for Neuro-Oncology. He is widely published in peer-reviewed journals, including Neurosurgery, Neurology, Stroke and The Oncologist.

  • Medical Education: Albert Einstein College of Medicine, Bronx, NY
  • Residency: New York-Presbyterian Hospital/Weill Cornell Medical Center, New York, NY
  • Fellowships: Memorial Sloan-Kettering Cancer Center, New York, NY
  • Board Certifications: Diplomate, American Board of Psychiatry and Neurology
  • Specializations: Neurology
  • Memberships:
    • Alpha Omega Alpha Medical Honor Society 2007
    • American Academy of Neurology, since 2009
    • American Society Clinical Oncology, since 2012
    • Society for Neuro-Oncology, since 2012
  • Languages Spoken: English, Hebrew

Noa Biran, MD

Noa Biran, MD, joined the Myeloma Division at John Theurer Cancer Center in September 2014.

Dr. Biran previously served as Chief Fellow of Hematology and Medical Oncology at Icahn School of Medicine at Mount Sinai, New York, where she also practiced in their internal medicine internship and residency. She received her medical degree from The George Washington University in Washington, D.C. As a fellow at Icahn School of Medicine, Dr. Biran participated in numerous lecture series and training sessions for medical students, residents, and nurse practitioners.

Dr. Biran is actively involve