Peter J Fagenholz, MD

Peter J Fagenholz, MD

Not currently accepting new patients

4.882759 average rating from 116 patient reviews

Specialties

Affiliation

Mass General Brigham

Provider Locations

  • Boston, MA
  • Waltham, MA

Dr. Peter Fagenholz is a pancreatic and general surgeon at Massachusetts General Hospital. He specializes in surgery of the pancreas, gallbladder, and bile ducts as well as hernia surgery and complex general abdominal surgery. He is a surgical member of the multidisciplinary care teams for pancreatic cancer and pancreatitis at MGH, and he co-founded and serves as the surgical director of the MGH Pancreatitis Treatment Center.

Dr. Fagenholz graduated from New York University School of Medicine and trained in surgery at MGH before joining the staff in 2011. He is an associate professor of surgery at Harvard Medical School and a fellow of the American College of Surgeons.

Education & Training

  • Fellowship: Massachusetts General Hospital, General Surgery, 2011
  • Residency: Massachusetts General Hospital, General Surgery, 2009
  • Medical Education: New York University School of Medicine, 2002

Board Certifications

  • Surgical Critical Care, American Board of Surgery
  • Surgery (General Surgery), American Board of Surgery

Languages Spoken

  • English

Age Group Treated

  • Adults

Patient Feedback

4.882759 average rating from 116 reviews

  • Dr Fagenholz is very attentive and explains things throughly I would recommend him very highly.

    2026-07-08

  • hEhe answered my questions easily and let me rest easy with my diagnosis, it was less serious than initially thought

    2026-07-06

  • The doctor was very calm, confident, collaborative, friendly and amiable. He listened to everything I had to say and answered all my questions. It was a pleasure to meet him.

    2026-07-04

  • Provider is fine. [redacted]

    2026-07-01

  • Dr Fagenholz is amazingly thorough and knowledgeable

    2026-06-21

  • Dr. Peter Fagenholz listened very carefully to me and explained my treatment options in detail. As a result of this conversation, I realized that all is not lost and that there is still a chance to fight the disease. Thank you very much, and I'll see you on [redacted].

    2026-06-21

  • He's a good doctor, attentive, and he explains things clearly. He's very empathetic and tries to tell you things as precisely as possible so you can understand and prepare yourself mentally for what's to come. It's clear at first glance that he's an excellent surgeon. His team is also excellent, and the care is exceptional!

    2026-06-20

  • Very caring

    2026-06-17

  • We love MGH

    2026-06-13

  • Was excellent

    2026-06-08

  • All of communication and interaction with MGB has been exceptionally positive.

    2026-05-31

  • Great meeting Dr Fagenholz was timely informative, thoughtful. I would highly recommend him

    2026-05-30

  • Dr Fagenholz (and his student) was wonderful! He was so nice. He really listened to me and encouraged me to ask questions. I felt very supported by him. He was compassionate and kind. I was actually surprised by how much time he took with me. I thought he would be like "hello, gallbladder, bye." He's a busy guy! But he sat and talked with me.

    2026-05-30

  • I have been more than pleased with the care I have received from my medical team that Massachusetts General Hospital Brigham.

    2026-05-25

  • He covered all aspects of pending surgery. Was receptive to my opinions, concerns and questions.

    2026-05-22

  • He seem that he was carrying and attentive.

    2026-05-21

  • Telehealth is an excellent tool for patient care. I was impressed with Dr Fagenholz process explaining process, outcome and further follow up and potential options. He made me feel comfortable and well informed about potential risks. Dr Fagenholz confirmed my high opinion and trust in MGH.

    2026-05-20

  • I feel well taken care of.

    2026-05-10

  • virtual health visit DID NOT WORK! Had to do conduct by phone call. Phone call was fine. SHOULD NOT have virtual health visit just call me! Doctor was late.

    2026-05-03

  • I am in good hands

    2026-04-21

  • Yes, Dr. Fagenholz was very explaining things to me excellently. He was very good telling me what's going on. He was very helpful and he's an excellent doctor with very good advice and very good listening to me and he went over everything with me from my blood work to my CAT scan. to my images from 10 years ago until today, recently. And he was wonderful to deal with and his staff was incredible. His receptionist was incredible. He met me at a timely manner. He's a very good doctor and a very good person. And I was very happy with all the results of the whole office and most importantly

    2026-04-15

  • Dr. Fagenholz spent all the time needed to explain everything and also answered all my question.

    2026-04-13

  • Excellent

    2026-03-15

  • He was easy to talk to, listened to me, and helped me better understand my options.

    2026-03-12

  • Dr. Fagenholz was very polite and respectful. Provided easy to understand results with future monitoring when needed.

    2026-03-10

  • Couldn't have been a better

    2026-03-09

  • I think Dr. Fagenholz is very highly skilled, compassionate, empathetic, solid, strong communicator with great follow-through skills, and I'm happy that he's my surgeon.

    2026-03-04

  • He was very good. I've had him before and he listened to me. He was very respectful of my concerns and worries and I would recommend him to anyone. His bedside manner is very good. His office was wonderful.

    2026-02-18

  • Keep up the great service!

    2026-02-02

  • Yes, Dr. Fagenholz was extremely well prepared, very nice presentation and very thorough. [redacted] I appreciate it.

    2026-01-28

  • This physician could not have been any kinder or professional. I've been a nurse for 40 years and have pretty high standards and I couldn't be any happier, any wonderful.

    2026-01-28

  • Excellent doctor that was very thorough, explained everything in detail and made me feel very comfortable.

    2026-01-21

  • Top notch

    2026-01-18

  • Professional and courteous

    2025-12-22

  • Excellent doctor, thank you for the service to the nurses and the doctor, very professional, thank you, God bless you.

    2025-12-04

  • My care provider was extremely professional, thorough, methodical, and friendly.

    2025-12-02

  • Yes, my wife and I were extremely pleased with the appointment we had with Peter Fagenholz and his associate. We left there in dismay of how much he communicated with us in a mere 45 minutes. Thank you.

    2025-11-26

  • He and his staff were excellent.

    2025-11-24

  • First time using an online visit worked out better than I expected.

    2025-11-16

  • A great experience!

    2025-11-10

  • He was knowledgeable in his analysis of my condition, thorough in his description of options, what procedures were available to correct my condition and professional in his demeanor.

    2025-11-01

  • Dr Fagenholz put me at ease with his very clear explanation of my issues.

    2025-10-15

  • great doctor. patient, professional

    2025-10-07

  • The service from MGH was very good. I appreciate.

    2025-09-28

  • Dr Fagenholz is utterly amazing and fantastic. I have never had a dr ask with all sincerity ask "what can I do for you to make things better?" I can not recommend him high enough

    2025-09-27

  • Extremely nice, very professional and took his time explaining everything

    2025-09-13

  • I am a "good customer" at MGH, and see many doctors there. Dr. Fagenholz is definitely one of the best!! I was recently admitted to the Emergency Room, and he responded to their request for information at 2:30 AM! He explains everything in great detail. I cannot recommend him too highly!

    2025-09-13

  • He made me very comfortable and very understanding on all my health problems

    2025-09-13

  • Very good experience. The doctor, resident and intern were all very professional. Good visit.

    2025-09-10

  • Dr. Fagenholz gave me an exceptional service, so I'm very happy with the appointment and all the explanations. Overall, he's probably one of the best specialists I've ever come across. Thank you.

    2025-09-10

Accepted Insurance

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