About Jeffrey Clark, MD

Clinical Interests:

Treats:

Locations

Mass General Brigham Cancer Institute: 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(150 Ratings, 69 Comments)

August 2025

Drs Clark and [redacted] are incredibly responsive doctors who listen and have so much experience. They helped me feel more at ease. I also enjoyed listening to them collaborate about care ideas.


August 2025

Dr. Clark is the best. He really knows medicine and how to treat my cancer. He keeps me informed and offers great advice. His manner is always pleasant. I really like that Dr. Clark tells me exactly what is going on. I couldn't be more pleased.


August 2025

Dr. Clark is always patient, mindful of my concerns and willing to answer anything, any questions that I have that are about this appointment or any other appointments.


August 2025

Prompt and professional.


August 2025

Dr. Clark is exceptional, very knowledgeable, very kind and a great listener . He explains well and puts you at ease. I feel under his care I am safe, I trust him.


August 2025

Iwas so impressed with Dr. Clark. I am 100 percent confident in my care and so happy I went there. Thank you for everything. [redacted]


August 2025

they explained things clearly


July 2025

Dr. Clark is kind and considerate of any concerns I have.


July 2025

He was great


July 2025

Dr Clark is the best! He is knowledgeable, patient and listens to my needs. He spends as much time as needed to make me feel comfortable.

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