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Peter Baker Kelsey, MD

Associate Director, Endoscopy Unit

  • Phone: 617-724-6044
Department of Medicine


  • Cancer Center
  • Pancreatic Cancer
  • Gastrointestinal Cancers
  • Digestive Healthcare Center
  • Pancreas and Biliary Center
  • Colorectal Center
Clinical Interests
Bleeding of unknown origin
Disorders of the biliary and pancreas
Therapeutic endoscopy
Boston: Massachusetts General Hospital
Medical Education
MD, Columbia University College of Physicians and Surgeons
Residency, Columbia University Medical Center
Fellowship, Massachusetts General Hospital
Board Certifications
Gastroenterology, American Board of Internal Medicine
Internal Medicine, American Board of Internal Medicine
Patient Age Group
Accepting New Patients
Accepting New Patients

ResearchResearch activities have focused on four major areas:
1. Interventional Endoscopic technques including choledochoscopy
2. Gastrointestinal bleeding including the diagnosis and mangement of obscure GI bleeding. 
3.The creation of an internet based, free access, web site that icludes over 900 video clips, grand rounds topics and journal club forums. 


Lower gastrointestinal bleeding.

Bounds BC, Kelsey PB.

Gastrointest Endosc Clin N Am. 2007 Apr;17(2):273-88, vi. Review.

A randomized trial comparing uncovered and partially covered self-expandable metal stents in the palliation of distal malignant biliary obstruction.

Telford JJ, Carr-Locke DL, Baron TH, Poneros JM, Bounds BC, Kelsey PB, Schapiro RH, Huang CS, Lichtenstein DR, Jacobson BC, Saltzman JR, Thompson CC, Forcione DG, Gostout CJ, Brugge WR.

Gastrointest Endosc. 2010 Nov;72(5):907-14.

Gastroenterology Associates
55 Fruit Street
Boston, MA 02114-2696

Phone: 617-724-6044
Fax: 617-724-5997

Gastroenterology Associates
55 Fruit Street
Boston, MA 02114-2696

Phone: 617-724-6044
Fax: 617-724-5997

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