
Conor H. O'Neill, MD
- Specialty
- General SurgerySurgical Oncology
Locations

Breast Care Center
111 Colchester Avenue
Main Campus, Main Pavilion, Level 2
Burlington, VT 05401-1473
Biographical Information
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.
Learn more about University of Vermont Cancer Center.
Clinical Interests
Special Procedures
Education
Board Certifications
- Member Board
- American Board of Surgery - General SurgeryAmerican Board of Surgery - Complex General Surgical Oncology
Language
Insurance
Participating Insurance Plans at the UVM Medical Center:
Please Note: The below is a list of insurers contracted with The University of Vermont Medical Center, but it does not guarantee participation of your specific insurance plan or coverage of your planned service (i.e. medical, dental, behavioral health, etc.). Visit our Out-of-Network Policy FAQ to learn more about which insurance companies consider UVM Health Network hospitals and providers as out-of-network. Please contact your insurer to determine your benefit coverage.
- Aetna
- Anthem Blue Cross Blue Shield NH
- Blue Cross Blue Shield of Vermont (BCBSVT) / CBA (includes Dental)
- Capital District Physicians' Health Plan (CDPHP)
- Capital District Physicians' Healthcare Network (CDPHN)
- CHAMPVA
- Cigna / Great West (includes Dental)
- Cigna LifeSource
- Coventry Health Care/First Health
- Delta Dental
- EBPA
- Empire Blue Cross Blue Shield (HMO only)
- Evernorth (formerly Cigna Behavioral Health)
- Excellus Blue Cross Blue Shield
- Fidelis (New York Quality Healthcare Corporation) (excludes Exchange/Metals products)
- Harvard Pilgrim Health Care (excludes NH Health Benefit Exchange, Medicare Advantage, and Managed Medicaid)
- MagnaCare
- Medicaid (VT and NY)* (VT Medicaid includes Dental)
- Medicare*
- MVP
- Optum Rx
- POMCO (must include POMCO Select Logo)
- St. Regis Mohawk Tribe (Medicare)
- The Vermont Health Plan (TVHP)
- TriCare Humana Military (excludes Humana Behavioral Health)
- TriCare Martin's Point Health Care (excludes Behavioral Health)
- United HealthCare (excludes United Behavioral Health)
- United HealthCare – The Empire Plan
- Veteran's Administration Community Care Network (VA CCN) (United HealthCare)
- Vermont Blue Advantage
- Workers' Comp (VT and NY)
- Zelis/Stratose
*Not every provider type is eligible to enroll with Government Payers. Please consult your provider’s office prior to visit for confirmation.