Dr. Andrew Jennis specializes in medical oncology, hematology, and gastrointestinal oncology, and is board certified in internal medicine, medical oncology and hematology. For more than 20 years, he has been treating patients in the New Jersey community. Dr. Jennis is actively involved in gastrointestinal oncology research.
Dr. Jennis received his medical degree from Columbia University College of Physicians and Surgeons. He completed his residency at Mount Sinai Medical Center in internal medicine and conducted his fellowship training at Harvard Medical School and Beth Israel Hospital in medical oncology and hematology.
Dr. Jennis holds an appointment at Hackensack University Medical Center. He is also a member of the American College of Physicians, American Society of Clinical Oncology, American Society of Hematology, Eastern Cooperative Oncology Group, Medical Society of New Jersey, Bergen County Medical Society, and the Oncology Society of New Jersey.