Memorial Sloan Kettering doctors, including oncologists, surgeons, radiologists, pathologists, psychiatrists, and more, treat every cancer type and are part of your care team at MSK. To learn about our doctors, find a specialist near you, or make an appointment, please see our listings below. You can search by disease, location, department, treatment procedure, and language spoken.
Gastrointestinal Medical Oncologist & Early Drug Development Specialist
James J. Harding, MD
Associate Attending Physician
Gastrointestinal Medical Oncologist
Luis Diaz Jr., MD
Head of the Division of Solid Tumor Oncology; Grayer Family Chair
Gastrointestinal Medical Oncologist
Eileen M. O'Reilly, MD
Winthrop Rockefeller Endowed Chair of Medical Oncology; Chair, Human Research Protection Program and Institutional Review Board; Co-Director, Medical, David M. Rubenstein Center for Pancreatic Cancer Research; Section Head, HPB & Neuroendocrine Cancers