Skip to main content

Dennis O’Neill, MD, FCAP

Subspecialties
Cardiovascular Disease

Professional Background

Dr. Dennis G. O’Neill is board-certified in Anatomic and Clinical Pathology by the American Board of Pathology. He is a Fellow of the American College of Pathologists. Dr. O’Neill received his medical degree from Rutgers Medical School and completed his residency training at Hartford Hospital. He also completed a summer fellowship at the National Institutes of Health.

Leadership Roles

Medical Director, Department of Pathology and Laboratory Medicine, Eastern Connecticut Health Network

Previous Leadership Roles

  • Chair, Eastern Connecticut Health Network Board of Trustees
  • President, Eastern Connecticut Health Network Medical Staff
  • Chair, Connecticut Medical Examining Board
  • Chair, Membership Development Committee of the College of American Pathologists
  • Vice-President and Founding Member, Connecticut SIDS Center

Honors & Awards 

  • Community Service Award, 2017, for 15 years of service on the Eastern Connecticut Health Network Board of Trustees
  • Community Service Award, 2007 from Governor Jodi Rell for service on the Connecticut Medical Examining Board