Jeffrey M Peppercorn, MD, MPH

Jeffrey M Peppercorn, MD, MPH

Not currently accepting new patients

4.969231 average rating from 143 patient reviews

Specialties

Affiliation

Mass General Brigham

Provider Locations

  • Waltham, MA
  • Boston, MA

Dr. Jeffrey Peppercorn is a medical oncologist specializing in breast cancer care at Massachusetts General Hospital. He is an Associate Professor of Medicine at Harvard Medical School and Director of the MGH Cancer Survivorship Program. He is board certified in Internal Medicine and Medical Oncology

Dr. Peppercorn earned his A.B. degree with honors from Harvard College in 1992 and obtained his M.D. at Harvard Medical School and M.P.H. at the Harvard School of Public Health. He completed residency training at Massachusetts General Hospital and his medical oncology training through the Dana-Farber/Mass General Brigham Cancer Care Oncology Fellowship Program in 2005. In addition, he completed the Medical Ethics Fellowship at Harvard University. He served as founding Director of the Duke Cancer Institute Survivorship Center while working as a Tenured Associate Professor of Medicine at Duke University Medical Center. He is a Greenwall Foundation Faculty Scholar in Bioethics and an American Cancer Society Research Scholar.

Dr. Peppercorn has published more than 100 papers and chapters related to breast cancer, bioethics and health policy, and cancer survivorship.

Education & Training

  • Fellowship: Massachusetts General Hospital, Hematology/Oncology, 2004
  • Residency: Massachusetts General Hospital, Internal Medicine, 2001
  • Internship: Massachusetts General Hospital, Internal Medicine, 1999
  • Medical Education: Harvard Medical School, 1998

Board Certifications

  • Medical Oncology, American Board of Internal Medicine

Languages Spoken

  • English

Age Group Treated

  • Adults

Patient Feedback

4.969231 average rating from 143 reviews

  • Dr Peppercorn always listens to me and puts me at ease with any concerns I have. Great doctor

    2026-07-08

  • Dr. Peppercorn was very professional and very thorough, answering all of my questions and addressing all of my issues. Thank you.

    2026-07-08

  • I've been seeing Dr. Peppercorn for a couple of years and I think he's wonderful. I think he's the best doctor I have ever seen. And I mean that from my heart. I trust him with my life.

    2026-06-25

  • My visit was with Dr.Peppercorn, such a caring person

    2026-06-22

  • Excellent care, good listener.

    2026-06-14

  • He's excellent , very kind , compassionate and intelligent .

    2026-06-08

  • Dr Peppercorn is a wonderful doctor. He is interested in all aspects of your health and well being and goes out of his way to spend as much time with a patient as is needed for them to understand their treatment and be comfortable with it.

    2026-06-08

  • Very personable

    2026-06-03

  • Dr. Peppercorn had clearly read my history, which was most appreciated. He explained all aspects of my cancer diagnosis and the treatment options while giving me a chance to talk and ask questions, which he answered in full. Dr. Peppercorn took into account my priorities and concerns and in understanding where I was coming from, helped me to choose a course of action.

    2026-05-28

  • Dr Peppercorn is an amazing doctor and provides amazing care. I see him annual and he always remembers our conversation from the previous year. He's an amazing listener.

    2026-05-25

  • Dr. Peppercorn is always very pleasant, easy to talk to, and attentive. He explains everything in a way that is easy to understand and really listens to what I say. I can't imagine ever switching to another oncologist.

    2026-05-20

  • A big, big thank you to Dr. Peppercorn!

    2026-05-19

  • Dr. Peppercorn took the time to thoroughly review my medical record in the year since I've seen him. My visit was for an annual checkup and I've been through a number of health issues in the past year. He has thoroughly read through everything and had detailed questions for me and he's a consummate professional. So I can't give him any higher marks. He's always very well prepared and it feels like I don't see him year to year. It feels like I see him month to month, but it's so familiar. So I feel very comfortable being cared for by him.

    2026-05-14

  • Dr. Peppercorn has been a caring thoughtful provider since I began seeing him. He communicate well with me both in person and in phone conversations and always shows the utmost concern for my care. I truly value his care.

    2026-05-08

  • Dr. Peppercorn is an amazing doctor!!

    2026-05-07

  • I feel grateful to have Dr. Peppercorn on my team. He does an excellent job balancing being realistic about my diagnosis while still leaving me with optimism. I always have a lot of questions and he takes the time to answer them thoughtfully.

    2026-05-03

  • My doctor is the best!

    2026-04-29

  • Dr. Peppercorn is superior with breast oncology care. I never mind waiting and always appreciate his apology but honestly the quality of care is 1000% superior. Dr. Peppercorn provides a forecast for next steps, provides necessary exams and order ordering tests. Listens to every concern or question that I have and responds to all of it. If I had to pick one medical hero that I've experienced in my [redacted] years including watching my late husband's care it would be Dr. Peppercorn. [redacted] His bedside manner as well as his knowledge of breast cancer is impressive. [redacted]

    2026-04-26

  • I was very appreciative that Dr. Peppercorn took me back as a client after I had gone away. And I trust him more than the place I went afterwards. So I'm very glad he took me back. Thank you.

    2026-04-24

  • Dr. Peppercorn is always prepared for my 6 month appointments. He discusses anything new in my medical record, so I know he's read them. He's amazing how he remembers my concerns from previous appointments.

    2026-04-22

  • On time Engaging and respectful and polite Explained treatment well Easy to understand Thorough Good listener

    2026-04-19

  • Jeffrey Peppercorn is an exceptional oncologist. My only comment has to do with the, and again, this is kind of unavoidable, but the amount of time. The last time I was there and this time previously, I had to wait for more than an hour to see him and I was on time for my appointment. So that's just a little frustrating. But I understand he's dealing with sick people, so it's kind of out of his control. Thank you.

    2026-04-22

  • Dr Peppercorn is very professional and an excellent doctor, feel very confident with him.

    2026-04-19

  • Dr Peppercorn is thorough, realistic, honest, compassionate, and straightforward. I feel safe in his care. Highly recommend him!

    2026-04-09

  • Good listener.

    2026-04-05

  • Dr. Peppercorn is an excellent physician. He takes the time to listen and you feel as though you're heard and he's very intelligent and caring.

    2026-04-01

  • Dr Peppercorn is always professional, kind, and listens and answers questions clearly I am very comfortable with him due to his kind demeanor Would highly recommend him .

    2026-03-25

  • Dr. Peppercorn went above and beyond to explain all things to me and to take the time to listen to my concerns. Thank you.

    2026-03-18

  • Dr Peppercorn is always very attentive during office visits. I never feel rushed and and he is very thorough is his examinations.

    2026-03-11

  • Consistently explains current state options for treatment and evidence for the treatment plan. Always supportive and willing to go beyond with phone calls off time to review labs and new developments re : scans etc. Dr Peppercorn has the kind and compassionate disposition which is so helpful for patients with metastatic disease. He also gives you the time needed and Never makes you feel rushed.

    2026-03-09

  • He has been awesome.

    2026-03-08

  • It's not the provider I had another appointment on march 2 had to have a blood test I waited 1 1/12 hours for a 5 minute blood test that is not right I will find someone were else to go next time I have to take a blood test. Thanks. Ms casale

    2026-03-05

  • Dr Peppercorn is always prepared when I am seen. He is aware of my medical issues cared for by my PC Dr and always addresses these issues. He also tries to schedule tests I may need earlier in the day of my visit whenever possible so I am not making multiple trips to this care location. I am very satisfied & comfortable in his care. I feel he is well experienced , knowledgeable, and caring of his patients. I am grateful to be under Dr Peppercorn's care.

    2026-03-04

  • I saw Dr Peppercorn. and he had all my info, was Caring and listened to me. Made an appt for a 6 Month check up and my mammogram. That is always hard to do....but his staff was excellent.

    2026-02-25

  • I find the doctors and the nurse practitioners and the nurses excellent at the hospital. They always have been and the quality has not gone down. I cannot say the same for other aspects of the hospital. But for this provider and the service and, as I said, the nurses and nurse practitioners, they are all still excellent. Thank God.

    2026-02-23

  • This provider is the best

    2026-02-23

  • Hello, for almost eight years, Dr. Peppercorn has cared for me as an oncologist, a breast oncologist, and he's been very, you know, thorough, concerned, and informative. And I appreciate that I am, he's part of my oncology team. Thank you.

    2026-02-19

  • Excellent!

    2026-02-09

  • Everything went well

    2026-02-02

  • Excellent

    2026-01-30

  • Appreciate the time Dr. Peppercorn spends during appointment and also when questions are asked in the portal.

    2026-01-28

  • Always empathetic and not rudhed

    2026-01-19

  • I have total confidence in Dr. Peppercorn. For the last ten years he's taken excellent care of me. He is the epitome of what a doctor should be, wise, knowledgeable, able to explain his knowledge in simple language that a patient can readily understand and follow and he carefully reviews my medical history before each of my appointments. [redacted]

    2026-01-11

  • Dr Peppercorn had carefully read through my medical records especially those of the past few years as well as medications and diagnostic tests that ai had during the past 12 months.

    2026-01-03

  • Very nice, very knowledgeable but very very busy.

    2025-12-21

  • Dr. Peppercorn is the best. He is kind, he is patient, he is empathetic, and he is a great listener. He cares about his patients, and I am so lucky to have had him through my journey and continue to have him. He's number one in my book.

    2025-12-19

  • Dr. Peppercorn was very professional, very thorough, seems very caring and knowledgeable. Appreciated the time he spent with me.

    2025-12-19

  • Dr. Peppercorn is a wonderful Doctor.

    2025-12-07

  • Dr Peppercorn is wonderful-caring, smart, personable. He has guided me through every step of my breast cancer journey

    2025-12-07

  • Dr. Peppercorn has been my oncologist for 4 years. He is always professional, kind and attentive at every visit. I would highly recommend him.

    2025-12-02

  • Dr Peppercorn takes his time to let me explain what is going on with me, and responds to my concerns.

    2025-12-01

  • Dr Peppercorn remains a wonderful oncology doctor. He is always prepared for visits even when they are 6 mos apart and he is considerate of patient concerns and worries.

    2025-12-01

  • Dr. Peppercorn is great. He listens, he explains, shows empathy. Caring.

    2025-11-30

  • [redacted] Dr Peppercorn was very pleasant.

    2025-11-24

  • Dr. Peppercorn has always been very attentive and thorough. He explains things so that it's understandable and easy to follow. He always listens and tries very hard to resolve any problems or questions.He is simply a wonderful doctor!

    2025-11-16

  • It is never nice to have a diagnosis as cancer but Dr. Peppercorn provided compassionate care. He was honest and supportive.

    2025-11-12

  • Despite a very busy clinic, Dr Peppercorn took the time to answer my numerous questions. He gave me a realistic description of my diagnosis and what a treatment plan might look like. For the first time since being diagnosed with breast cancer, I have a good understanding of how treatment will fit into my personal and professional life. I am very grateful to have him directing my care.

    2025-11-02

  • As my Grand daughter said, "Isn't Dr. Peppercorn your favorite Doctor?" He really has been as he is very professional and friendly. The best combination you want from your Doctor. A very encouraging man who explains things in a very clear manner.

    2025-10-27

  • As always great experience !

    2025-10-26

  • Dr. Peppercorn was very kind and patient explaining his recommended plan for my continued care. I was able to ask questions and he answered them to my understanding even though there was a lot of new information being delivered. I feel very comfortable continuing my plan of treatment with his care.

    2025-10-23

  • Dr. Peppercorn continues to provide excellence in oncology care. He is patient focused, provides direct responses, and gives the next check point where we are heading for my care. Eternally grateful for his leadership in my breast cancer care! Cannot recommend him enough for oncology care!!! Clone Dr. Peppercorn!!!!

    2025-10-19

  • Excellent listener and prober. Considers the "whole person" in front of him not just the breasts.

    2025-09-24

  • Very professional

    2025-09-19

  • Dr. Peppercorn is an excellent oncologist and a great listener and compassionate man. He has taken care of me for 10 years following breast cancer and I enjoyed our conversations and trust his knowledge. I am going to miss him but I am happy that I am well and he assured me that he will always be there for me if I need him.

    2025-09-25

  • Dr. Peppercorn is a wonderful doctor.

    2025-09-10

  • Always professional and takes time to explain things & answer any questions I may have.

    2025-09-04

  • Dr. Peppercorn is a very caring physician. Listens to me even when he reads in my chart about a complaint i have about something that does not concern his specialty.

    2025-09-03

  • Dr P has always been very professional, thoughtful and listens. He's been open to all my questions and ideas. I definitely recommend him as an oncologist .

    2025-08-24

  • Great listener and kind/caring

    2025-08-24

  • The entire team are the best

    2025-08-23

  • I have worked in healthcare for my entire 40 year plus career and rarely have I been so fortunate to come across a provider that was as knowledgeable, thorough, and compassionate as Dr. Peppercorn. I was a new patient for him. I had to change providers due to insurance purposes. had very stressful event happened to me that day. He was just so knowledgeable about my history. He was so willing to listen to me and address my concerns. I just can't say enough wonderful things about him. And of course, in addition to being in the healthcare field myself, I've been a cancer patient. and also had my husband be a cancer patient and I just think he is a gem.

    2025-08-20

Accepted Insurance

  • Tufts Medicare Preferred
  • Wellpoint
  • Fallon Health
  • Blue Cross Blue Shield Medicare
  • Humana
  • Railroad Medicare
  • Multiplan
  • Maine Community Health Options
  • Tufts Health Plan
  • MassHealth
  • TriCare
  • Beech Street
  • Commonwealth Care Alliance
  • Senior Whole Health
  • WellSense NH
  • United Health Care
  • WellSense
  • Medicaid RI
  • Medicaid ME
  • Blue Cross Blue Shield - Indemnity
  • Mass General Brigham Health Plan
  • Cigna
  • Medicare
  • Medicaid NH
  • Harvard Pilgrim Health Care
  • Aetna
  • Medicare ACO
  • Coventry
  • Blue Cross Blue Shield