About Jeffrey Clark, MD

Clinical Interests:

Treats:

Locations

Mass General Cancer Center: Hematology Oncology
55 Fruit St.
Boston, MA 02114
Phone: 617-724-4000
Fax: 617-726-0452

Medical Education

  • , BRMP, DCT, NCI-FCRF
  • MD, Tufts University School of Medicine
  • Residency, Beth Israel Deaconess Hospital
  • Fellowship, COP, NCI, NIH
  • Fellowship, EBP, DCE, NCI, NIH, Bethesda, Md
  • Fellowship, National Cancer Institute

American Board Certifications

  • Internal Medicine, American Board of Internal Medicine
  • 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(144 Ratings, 60 Comments)

June 2025

Dr Clark is very knowledgeable and compassionate. I value his input about my care.


June 2025

He has been my provider for over 20 years. Unfortunately he has been unable to prevent me from getting older.


June 2025

I was actually very happy to see a gastroenterologist, as most if my problems are directly related to those issues. He was very informative and helpful!


June 2025

Dr. Clark is a caring, responsive, knowledgeable doctor who provides excellent care and has throughout my entire treatment cycle. I would highly recommend his services to anyone going through a similar health malady as I've been going through. He's absolutely wonderful.


June 2025

Dr. Clark is an extremely patient and caring doctor. Probably one of the best I've ever had. He always listened to everything I had to say, and I couldn't say anything negative about him. I am very happy he's my doctor. Very appreciative. of him and everything he has done for me. Thank you.


June 2025

Dr Clark was attentive and very kind and very informed about all of internal medicine issues.


June 2025

It was my first visit with Dr. Clark. So far so good


June 2025

Thoughtful, respectful and kind.


June 2025

Dr Clark is extremely knowledgeable and cares about his patients.He is thorough and takes time to explain everything so it is understandable.


June 2025

This was my first meeting with Dr. Clark but he seemed like a great doctor, very knowledgeable, personable, and engaging. Very easy to talk to.

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