Conor H. O'Neill, MD, Surgical Oncologist

About us

Conor O'Neill, MD is a surgical oncologist and physician at the University of Vermont Medical Center, and assistant professor of surgical oncology at the Larner College of Medicine at the University of Vermont. Among the top conditions he treats are liver cancer, pancreatic cancer, GI malignancy, cutaneous malignancy and peritoneal surface malignancy. He performs a variety of specialized procedures, including open and laparoscopic liver and pancreatic surgery; laparoscopic-assisted esophagectomy; and minimally invasive GI surgery.

Dr. O'Neill's clinical interests include GI tract malignancies, esophagus cancer, stomach cancer, colorectal cancer, hepatopancreaticobiliary cancer and melanoma. His research interests are focused on tumor microenvironments, tumor ablative therapies, and population health and screening; his publications in these areas can be found here.

Dr. O'Neill chose a career in medicine in order to have the unbelievable privilege of caring for another person. As a surgical oncologist, he often sees patients with difficult diagnoses; his goal is to collaborate with them and, through shared decision making, come up with a plan that best fits their goals and values. He sees this opportunity to counsel patients and determine the best path forward as the most rewarding part of his job. He feels fortunate that, as a surgeon, he can continue to see his patients regularly, and values these long-term relationships.

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