Dr. Dmitriy Zamarin

Dr. Dmitriy Zamarin, MD, PhD, is a highly respected medical oncologist and physician-scientist specializing in gynecologic cancers at The Tisch Cancer Institute at Mount Sinai. He serves as Associate Professor of Medicine in the Division of Hematology and Medical Oncology, and as Medical Director of the Oncology Clinical Trials Office. Dr. Zamarin received his medical degree and doctorate in cancer biology from Mount Sinai School of Medicine, followed by residency training at Mount Sinai Hospital and fellowship in medical oncology at Memorial Sloan Kettering Cancer Center. He is board-certified in internal medicine and medical oncology, offering expert care for patients with ovarian, endometrial, and cervical cancers through both in-person and telemedicine visits.

A recognized innovator in immuno-oncology, Dr. Zamarin’s research focuses on harnessing the immune system to treat gynecologic malignancies. His translational work has explored mechanisms of immune resistance and strategies to enhance the effectiveness of immune checkpoint blockade, oncolytic viruses, and novel vaccine therapies. He has played a pivotal role in early-phase and investigator-initiated clinical trials that have contributed to the development of new immunotherapeutic approaches in ovarian cancer. Dr. Zamarin has authored more than 100 peer-reviewed publications and speaks frequently at national and international cancer conferences.

In addition to his research and clinical contributions, Dr. Zamarin is a dedicated educator and mentor, training the next generation of oncologists and physician-scientists. He holds leadership positions on scientific advisory boards and cooperative groups focused on gynecologic oncology and immunotherapy. Committed to advancing personalized cancer care, he works to integrate cutting-edge science into meaningful clinical outcomes. Through his multidisciplinary expertise and patient-first philosophy, Dr. Zamarin continues to shape the evolving landscape of gynecologic cancer treatment and immuno-oncology.