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

American Board Certifications

  • Medical Oncology, 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

4.9out of 5(140 Ratings, 53 Comments)

May 2025

I have been a patient of Dr. Sullivan's for seven years and he has consistently provided me with excellent care. He is a clear communicator, explaining things to me in terms I can understand, and listening to my questions, thoughts, and opinions. He knows me well enough to be able to make recommendations that align with my preferences. Dr. ... Read More


May 2025

Dr. Sullivan has taken great care of me. Very professional , polite and understanding of my condition. I would recommend him to anyone.


April 2025

Ryan Sullivan is a great partner.


April 2025

Absolutely unbelievable! Nobody wants to be on 7th floor Yawkey-but my wife and I soon discovered that is where we want to be with dr. Sullivan. His compassion, thoroughness, and confidence made us as comfortable as we could be!


April 2025

This was my first visit with Dr. Sullivan. He listened carefully to me as I described my history and current needs, as I understand them. We agreed on scheduling my next appointment 12 months out, which is what I wanted, with the understanding that I could call him if anything changes or something new crops up.


April 2025

Dr.Sullivan is highly knowledgeable and very helpful in answering my many questions!


April 2025

Very kind. Went over things slowly and gave time to understand.


April 2025

Dr. Sullivan is an excellent care provider. He is a great listener, is very patient with me, and is incredibly knowledgeable about all aspects of my health condition/situation and my care. I highly recommend Dr. Sullivan to other patients who are seeking care for their battle against melanoma.


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

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