About Ryan Sullivan, MD

Treats:

Locations

Mass General Cancer Center: Hematology Oncology
55 Fruit St.
Boston, MA 02114
Phone: 617-724-4000
Fax: 617-643-7602

Mass General Cancer Center at Newton-Wellesley
2014 Washington St.
Newton, MA 02462
Phone: 617-219-1230

Medical Education

  • , University of Connecticut School of Medicine
  • Residency, Mount Auburn Hospital
  • Residency, Mount Auburn Hospital
  • Fellowship, Beth Israel Deaconess Hospital

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

4.9out of 5(147 Ratings, 54 Comments)

March 2025

very knowledgeable about my condition and circumstances.


March 2025

Dr. Sullivan was extremely kind, caring, and compassionate. He had to deal with my very bad diagnosis, melanoma, which is not curable, and he was very compassionate, very patient, and spent as much time with me as I needed because I was there for quite a while and I was very appreciative. We had to discuss the possibility of me taking a very ... Read More


March 2025

Dr. Sullivan was a very kind and caring dr as he explained what tests I needed to have and my medical situation. He was a careful listener and I developed trust for him at this very first visit. I anm glad that he can be my dr!!!


March 2025

Doesn't get any better


March 2025

Very good


March 2025

Dr. Sullivan is everything i would ever want in a doctor. He is thoughtful, attentive and has always given me all of the time that I need, never making me feel rushed. I completely trust him.


February 2025

Dr. Sullivan is a wonderful oncologist. Despite the number of patients he may be seeing on a given day, I never feel rushed. He makes me feel perfectly comfortable discussing all of my concerns. I truly believe I am here today because of his care and expertise.


February 2025

Dr Sullivan is a kind and thoughtful man. I feel fortunate to have him on my team.


January 2025

I am very lucky and grateful that I have Ryan Sullivan, MD as my oncologist. He knows exactly what is going on with me and what is the best treatment plan for me. He is the best and most knowledgeable in his field in my opinion.


January 2025

I'm in excellent hands!

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