Physician Photo

Peter J. Fagenholz, MD

  • Phone: 617-726-2760
Trauma, Emergency Surgery and Surgical Critical Care
Department of Surgery
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
Boston: Massachusetts General Hospital
Medical Education
MD, New York University School of Medicine
Residency, Massachusetts General Hospital
Fellowship, Massachusetts General Hospital
Board Certifications
Surgery, American Board of Surgery
Surgical Critical Care, American Board of Surgery
Patient Age Group
Accepting New Patients
Accepting New Patients


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.

In addition to his travel to Nepal, Dr. Fagenholz has also worked with Partners in Health performing and teaching surgery at Butaro Hospital in Rwanda ( and is currently invovled in international surgical development through the Program in Global Surgery and Social Change at Harvard Medical School (

ResearchDr. Fagenholz currently performs clinical research on surgical therapies for pancreatitis, early management of head injury, and treatment of complicated forms of appendicitis and Clostridium difficile colitis.

Other non-clinical projects include the effects of hypoxia on intracranial pressure and pulmonary blood flow, and the use of ultrasound to monitor these and other physiologic parameters of interst in hypoxia.

Churchill Surgical Clinic
15 Parkman St
Boston, MA 02114-3117

Phone: 617-726-2760
Fax: 617-724-0405

MGH Surgical Intensive Care Unit
55 Fruit Street
Boston, MA 02114-2696

Phone: 617-726-2760