Dr. Deirdre J. Cohen

Dr. Deirdre Cohen, MD, is a highly regarded medical oncologist and clinical leader specializing in gastrointestinal cancers. She currently serves as Associate Professor of Medicine and Director of the Gastrointestinal (GI) Oncology Program at the Icahn School of Medicine at Mount Sinai. Dr. Cohen earned her medical degree from New York University School of Medicine, completed her residency in Internal Medicine at NYU Langone Medical Center, and pursued fellowship training in Hematology and Medical Oncology at Mount Sinai. Board-certified in Medical Oncology, she delivers individualized care to patients with colorectal, pancreatic, liver, and other GI malignancies across the Mount Sinai Health System, offering both in-person and telemedicine consultations.

A strong advocate for translational research, Dr. Cohen focuses on integrating molecular and genomic insights into personalized cancer therapies. Her clinical investigations include studies in immunotherapy, targeted therapies, and novel drug combinations for advanced gastrointestinal tumors. She is actively involved in designing and leading early-phase and investigator-initiated trials aimed at improving survival and quality of life for patients with hard-to-treat cancers. In addition, she collaborates with Mount Sinai’s Tisch Cancer Institute and Precision Immunology Institute to further advance biomarker-driven approaches and improve access to innovative therapies across diverse patient populations.

Beyond her clinical and research contributions, Dr. Cohen is a passionate educator and mentor committed to fostering the next generation of oncologists. She plays an integral role in Mount Sinai’s medical education programs and frequently presents at national oncology conferences. Her work has earned recognition from peers and patients alike for her dedication to compassionate care and cutting-edge treatment. Through her leadership in GI oncology, commitment to academic excellence, and focus on equitable cancer care, Dr. Cohen stands out as a vital force in shaping the future of gastrointestinal cancer treatment.