About Colleen Harrington, MD

Departments, Centers, & Programs:

Clinical Interests:

Treats:

Locations

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

Mass General Vascular Center at Waltham
52 Second Ave.
Suite 2100
Waltham, MA 02451
Phone: 781-487-6000

Medical Education

  • MD, Drexel University College of Medicine
  • Residency, Johns Hopkins
  • Fellowship, Johns Hopkins
  • Fellowship, Johns Hopkins

American Board Certifications

  • Cardiovascular Disease, American Board of Internal Medicine
  • Internal Medicine, American Board of Internal Medicine

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


Reviews: Comments and Ratings

5.0out of 5(173 Ratings, 111 Comments)

April 2025

I appreciate that she is up to date on cutting edge research on my rare condition. I finally felt like my answers were being addressed . Important aspects of my condition were being explained with expert knowledge. I was finally getting the right care. It was a breath of fresh air!


March 2025

Dr. HARRINGTON is the best.


March 2025

Dr. Harrington is an excellent cardiologist. She's easy to communicate with and takes time to listen. She's also committed to her profession as evidenced by her knowledge and understanding of current issues and the latest advances in her field.


March 2025

Dr. Harrington and staff are the BEST, FABULOUS, They are so caring, understanding and listen to your every need.


March 2025

The provider has followed my health problem for a number of years. I feel very confident in her care. The provider is very knowledgeable and has a good number of years of experience.


March 2025

I found Dr. Harrington very skilled and concerned. When she took a look at my echo and things like that, she looked at a couple of times and said, we're going to see you again. And she also said that she would have her nurse practitioner see me in six months. So I thought that was very good. The negative of this was for whatever reason, the doctor ... Read More


March 2025

Smart Dr. Very caring. [redacted]


March 2025

Dr. Harrington was wonderful, very caring, kind, concerned about my medical conditions. She offered good feedback about exercise, nutrition, and what medicines I should be on and she made changes. Thank you.


March 2025

Colleen is very professional and listens to my questions and provides answers.She makes sure I fully understand all aspects of my visit


February 2025

Dr. Harrington is the best doctor I've ever had right up there with my personal care, my primary care physician. She listens. She's very knowledgeable. She can explain things perfectly for me and listens very closely to me. She's prepared when I get there and is able to follow up with me if needed. Thank you. I highly recommend Dr. Harrington. ... Read More

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