About Aaron Baggish, MD

Dr. Aaron Baggish is a cardiologist at the Massachusetts General Hospital Heart Center. 

He received his medical degree from the University of Connecticut School of Medicine and then completed internal medicine training and cardiovascular fellowship at Massachusetts General Hospital. His ongoing research focuses on heart function and heart disease in athletic individuals. He is a founding member of the Cardiovascular Performance Program, a Massachusetts General Hospital Heart Center program that provides clinical care and exercise testing for active individuals.

Clinical Interests:



Mass General Heart Center
55 Fruit St.
Boston, MA 02114
Phone: 866-644-8910

Medical Education

  • MD, University of Connecticut School of Medicine
  • Residency, Massachusetts General Hospital
  • Fellowship, Massachusetts General Hospital

American Board Certifications

  • Cardiovascular Disease, American Board of Internal Medicine

Accepted Insurance Plans

Note: This provider may accept more insurance plans than shown; please call the practice to find out if your plan is accepted.


  • Select Publications:

    • Baggish AL, et al. Training-Specific Changes in Cardiac Structure and Function: A Prospective and Longitudinal Assessment of Competitive Athletes. J Appl Physiol. 2008
    • Baggish AL, et al. The Impact of Endurance Exercise Training on Left Ventricular Systolic Mechanics. Am J Physiol Heart Circ Physiol. 2008
    • Baggish AL et al.,  Cardiovascular Screening in College Athletes With and Without Electrocardiography A Cross-sectional Study. Annals of Internal Med. 2010
    • Kim JH, et al., Baggish AL. Cardiac Arrests during Long-Distance Running Races. N Engl J Med. 2012.
    •  Weiner RB, et al. Baggish AL. Blood Pressure and Left Ventricular Hypertrophy During American Style Football Participation. Circulation. 2013
    •  Zilinski J, et al., Baggish AL. Myocardial adaptations to recreational marathon training among middle-aged men. Circulation: Cardiovascular Imaging. 2015
    •  Baggish AL, Weiner RB, Kanayama G, Hudson JI, Lu MT, Hoffmann U, Pope HG Jr. Cardiovascular Toxicity of Illicit Anabolic-Androgenic Steroid Use. Circulation. 2017

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