About Sam Klempner, MD

Clinical Interests:

Treats:

Languages:

Locations

Mass General Cancer Center
55 Fruit St.
Boston, MA 02114
Phone: 617-724-4000
Phone: 617-643-4976
Fax: 617-726-0452

Medical Education

  • MD, University of Massachusetts Medical School
  • Residency, Brigham and Women's 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.


Research

Dr. Klempner's research is focused on identifying molecular subgroups in gastric and esophageal cancers and translating this information to new treatment approaches for these difficult cancers.  He has interests in circulating tumor DNA, cancer biomarkers, and peritoneal disease and ascites in GI cancers.

Publications

Reviews: Comments and Ratings

4.9out of 5(100 Ratings, 48 Comments)

January 2025

Professional, extremely knowledgeable, and reassuring.


January 2025

Dr. Sam Klempner was extremely kind and patient. He was a great listener and answered my questions and concerns. He explained my condition and my options and did so in a compassionate and supporting way.


January 2025

Wonderful caring doctors who saved my life.


January 2025

Very efficient & knowledgeable. Explained everything very well & responds to emails immediately if you need any further help. Best experience


December 2024

Dr. Klempner is great. He explains things in a very simple manner. He's very contemplative. He listens very carefully and waits to answer the very clear and concise manner. I think he's great. I'd recommend him to anybody.


December 2024

He was patient, so knowledgeable, explained things in a way I understood and went out of his way for me to have a more personalized experience instead of just precision


November 2024

Dr. Klempner is a kind man who listens and explains things very thoroughly and in English, given lots of the technical terms that were being used in all the reports. So I very much appreciate that. My wife particularly really, really liked him because he was very hopeful given my diagnosis, and that was really helpful in terms of how we're going ... Read More


November 2024

Dr. Klempner was professional, personable and put us at ease. He was well prepared for our meeting. In addressing concerns, answering questions, he went beyond all expectations. I am grateful for his time and support.


November 2024

The best is all I can say. The best.


November 2024

I can't say enough good things about Dr.Klempner.Always listened to me and I never felt rushed by him. Great Doctor and I feel lucky to have him directing my cancer care.

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