Eileen O’Reilly, M.D.

Medical Oncology  |  Memorial Sloan Kettering Cancer Center

Dr. O’Reilly is a leading authority in the clinical study and treatment of pancreatic cancer at Memorial Sloan-Kettering Cancer Center where she is a member of the Gastrointestinal Oncology Service. Her expertise includes esophageal cancer, gastric cancer, pancreatic, hepatobiliary, colorectal cancers, and unknown primary tumors. Dr. O’Reilly’s primary clinical interests include the development of new treatment and therapies against pancreatic cancer. She is currently the principal investigator of multiple clinical trials in pancreas cancer. She has published over 30 articles in peer-reviewed journals including Gastrointestinal Cancer Research, Pancreatology, and Cancer Gene Therapy. Dr. O’Reilly also co-authored the book “100 Questions and Answers About Pancreatic Cancer.”

As an assistant professor of medicine at Cornell University Medical College, Dr. O’Reilly is active in instructing medical students and residents in medical oncology. She has lectured at national conferences for pancreatic and gastrointestinal cancer. She was also an invited speaker at the World Congress on Gastrointestinal Cancer held in Spain in the summer of 2009. Dr. O’Reilly serves on several committees at Memorial Sloan-Kettering Cancer Center including being involved in their Institutional Review Board, a member of the Research Council, and Chair of the Continuing Medical Education Committee. Dr. O’Reilly serves on the Scientific Advisory Board for the Pancreas Cancer Action Network, National Comprehensive Cancer Network Pancreas panel and the Board of the National Pancreas Foundation. She is also a member of the American Society of Clinical Oncology, Chair of the NCI Pancreas Task Force and a member of the Alliance GI Core Committee.

  • David M. Rubenstein Center for Pancreatic Cancer Research, Memorial Sloan-Kettering Cancer Center:
    • Medical Oncologist
    • Associate Director for Clinical Research
  • Weill Cornell Medical College of Cornell University, Professor of Medicine

M.D., University of Dublin Trinity College School of Medicine, Dublin, Ireland, 1990


Internal Medicine, Saint Vincent’s Hospital, Dublin, Ireland


Medical Oncology, Memorial Sloan-Kettering Cancer Center, New York, New York


Internal Medicine (Ireland)

Hospital Affiliations & Admitting Privileges
  • Memorial Sloan-Kettering Cancer Center
  • NewYork-Presbyterian Hospital