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
Alice Zervoudakis, MD
Clinical Director, Gastrointestinal Oncology Service
Gastroenterologist
Mark A. Schattner, MD, FASGE, AGAF
Chief, Gastroenterology, Hepatology and Nutrition Service
Gastrointestinal Medical Oncologist
Yelena Y. Janjigian, MD
Chief, Gastrointestinal Oncology Service; Carroll and Milton Petrie Chair
Thoracic Surgeon
James M. Isbell, MD, MSCI
Director, Quality and Outcomes, Thoracic Surgery Service, Director, Memorial Hospital Step Down Unit, Co-Director, Thoracic Liquid Biopsy Program