About Thor Sundt, MD

Watch a video about my work

Clinical Interests:

Treats:

Locations

Mass General Heart Center: Cardiac Surgery
55 Fruit St.
Boston, MA 02114
Phone: 617-643-9745

Medical Education

  • MD, Johns Hopkins University School of Medicine
  • Residency, Massachusetts General Hospital
  • Fellowship, Barnes Jewish Hospital
  • Fellowship, Harefield Hospital
  • Fellowship, National Cancer Institute

American Board Certifications

  • Thoracic and Cardiac Surgery, American Board of Thoracic Surgery

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


Research

The focus of my research has been on the genetics and clinical aspects of aneurysmal disease associated with bicuspid aortic valve.  In addition my research team has explored fundamental aspects of medical error with a particular emphasis on Human Factors and communication.

Publications

Reviews: Comments and Ratings

4.9out of 5(39 Ratings, 15 Comments)

March 2025

Dr. Sundt and his PA [redacted] were amazing. They were kind, patient and so caring. I felt like I was being heard and when they explained things they did it in a way that was easy to understand but not condescending. Spoke to me like they respected me. Amazing experience. Confidence building!


March 2025

Staff is always professional with me


March 2025

Very professional compassionate and understanding. Nice sense of humor.


December 2024

I was very impressed with his warmth and openness.


November 2024

Dr. Sundt took time to review imaging with us in order to provide us with a better understanding of measurements, etc. We greatly appreciated how considerate he was, and he showed genuine concern for my condition.


November 2024

Knowledgeable, aware of my issues, thoughtful, courteous.


November 2024

The Best Practice !


October 2024

Very into my history and concerns. Spent as much time as was necessary. I never felt rushed . Dr. Sundt was patient and explained the anatomy and physiology of my condition carefully and at length. If I or my wife asked a question that was unanswerable, he was honest to say that it was impossible to know. I will look forward to my next appointment ... Read More


October 2024

Very impressed by Dr Sundt's knowledge and clear concern for my situation. The planned surgery is the most serious procedure I have ever had and I am confident it will go well based on Dr Sundt's reputation and my time spent with him


September 2024

A positive experience.

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