Marco N Diaz, MD

  • Cardiovascular Disease |
  • Internal Medicine
Marco N Diaz
I was born and raised in Massachusetts and attended Boston College for my undergraduate studies. After earning my medical degree at University of Massachusetts Medical School, completing my residency in internal medicine and fellowship in cardiology at Boston University Medical Center, I joined Maine Medical Center’s Cardiology Division in 1999. I have served in leadership roles as MaineHealth Cardiology’s Quality Committee Chairman, American College of Cardiology (ACC) Northern New England Chapter President, Director of Imaging for the MMC Heart Valve Program, ACC National Quality Committee member and Senior Medical Director for MaineHealth Cardiology.

I am honored to currently serve as the Chair of the Department of Cardiac Services at Maine Medical Center and Chief of the MaineHealth Cardiovascular Service Line. I enjoy caring for patients, participating in research and education as a member of Maine Medical Center’s Heart Valve Team.
Languages spoken
Hospital affiliations
Stephens Memorial Hospital since 2023
Franklin Memorial Hospital since 2014
LincolnHealth since 2014
Memorial Hospital since 2009
Maine Medical Center since 1999
MaineHealth Accountable Care Organization since 1999
MaineHealth Maine Medical Center since 1999

Education and Credentials

Board Certification
Cardiovascular Disease, 1997
Internal Medicine, 1994
Boston Medical Center, Cardiovascular Disease, 1997
Boston Medical Center, Internal Medicine, 1994
Medical School
University of Massachusetts Medical School, Doctor of Medicine (MD), 1991

Where I Provide Care

Primary Office

MaineHealth Cardiology - Scarborough

96 Campus Dr. Suite 1
Scarborough, ME 04074-7133

Other Offices

Memorial Hospital

3073 White Mountain Hwy.
North Conway, NH 03860-7101