Photo of Peter J. Fagenholz, MD

Peter J. Fagenholz, MD


Accepting New Patients


Dr. Fagenholz performs a broad range of emergency and elective general surgery.  He has expertise in surgery for acute pancreatitis, especially minimally invasive necrosectomy and additional interest in complex abdominal wall reconstruction.  He also serves as an Associate Program Director for the MGH General Surgery Residency.


Trauma, Emergency Surgery & Surgical Critical Care


Clinical Interests
  • Pancreatitis (acute and chronic)
  • Surgical emergencies
  • Critical care
  • Hypoxia and High Altitude Illness
  • Gallbladder disease
  • Hernia surgery
  • Traumatic injuries
  • Surgery in the developing world
Medical Education
  • MD, New York University School of Medicine
  • Residency, Massachusetts General Hospital
  • Fellowship, Massachusetts General Hospital
Board Certifications
  • Surgery
  • Surgical Critical Care
  • Boston: Massachusetts General Hospital
Insurances Accepted
  • Aetna Health Inc.
  • AllWays Health (NHP) - ACD
  • AllWays Health (NHP) - PBO
  • Beech Street
  • Blue Cross Blue Shield - Blue Care 65
  • Blue Cross Blue Shield - Indemnity
  • Blue Cross Blue Shield - Managed Care
  • Blue Cross Blue Shield - Partners Plus
  • BMC HealthNet Mass Health MCO/ACO
  • Cigna (PAL #'s)
  • Commonwealth Care Alliance
  • Fallon Community HealthCare
  • Great-West Healthcare (formally One Health Plan)
  • Harvard Pilgrim Health Plan - ACD
  • Harvard Pilgrim Health Plan - PBO
  • Health Care Value Management (HCVM)
  • Humana/Choice Care PPO
  • Maine Community Health Options (MCHO)
  • MassHealth
  • Medicare
  • Medicare - ACD
  • OSW - Connecticut
  • OSW - Maine
  • OSW - New Hampshire
  • OSW - Rhode Island
  • OSW - Vermont
  • Private Health Care Systems (PHCS)
  • Railroad Medicare
  • Railroad Medicare - ACD
  • Senior Whole Health
  • TriCare
  • Tufts Health Plan
  • Unicare
  • United Healthcare (non-HMO) - ACD
  • United Healthcare (non-HMO) - PBO
  • Well Sense Pediatrics

Note: This provider may accept more insurance plans than shown; please call the practice to find out if your plan is accepted.

Patient Age Group
Provider Gender


Dr. Fagenholz graduated from the New York University School of Medicine in 2002.  While there he worked in the Laboratory of Developmental Biology and Repair under Dr. Michael Longaker performing studies on the molecular biology of wound healing and cranial suture fusion. From 2002-2005 he served as a resident in general surgery at the Massachusetts General Hospital.  From 2005-2007 he was a research fellow in the Department of Surgery at MGH studying the epidemiology of surgical diseases such as pancreatitis and burn injury as well as the physiology of hypoxia and high altitude illness.  His high altitude work led him to Nepal where he performed field work in the Khumbu Valley and met his wife Alice, an emergency medicine physician.  Dr. Fagenholz then returned to the MGH, completing his residency in General Surgery in 2009.

In 2009-20010 he moved to Edinburgh, Scotland where he worked as a Specialist Doctor in Cardiothoracic Surgery at the Edinburgh Royal Infirmary.  In 2010 he returned to Boston to complete a fellowship in surgical critical care at the MGH before joining the staff in the Division of Trauma, Emergency Surgery, and Critical Care.  Dr. Fagenholz is board certified in Surgery and Surgical Critical Care and is now an Assistant professor of Surgery at Harvard Medical School and an Associate Program Director of the MGH General Surgery Residency.

Dr. Fagenholz practices a broad range of general and trauma surgery and provides critical care in MGH's Surgical Intensive Care Units.  He has expertise in surgery for acute pancreatitis and especially minimally invasive necrosectomy and has published significantly on the topic and contributed to current international guidelines.  He also has a special interest in complex abdominal wall reconstruction.


Research & Publications

Research Summary

Dr. Fagenholz currently performs clinical research on surgical therapies for pancreatitis and treatment of complicated intrrabdominal infections such as appendicitis, cholecystitis, and Clostridium difficile colitis.


View my most recent publications at PubMed


Churchill Surgical Clinic
15 Parkman St
Boston, MA 02114-3117
Phone: 617-726-2760
Fax: 617-724-0405

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