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Peter Baker Kelsey, MD

  • Associate Director, Endoscopy Unit


Accepting New Patients





Centers & Specialties

Cancer Center

Digestive Healthcare Center

Clinical Interests
  • Bleeding of unknown origin
  • Disorders of the biliary and pancreas
  • Therapeutic endoscopy
Medical Education
  • MD, Columbia University College of Physicians and Surgeons
  • Residency, Columbia University Medical Center
  • Fellowship, Massachusetts General Hospital
Board Certifications
  • Gastroenterology
  • Internal Medicine
  • Boston: Massachusetts General Hospital
Insurances Accepted
  • Aetna Health Inc.
  • 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
  • Centene/Celticare
  • Cigna (PAL #'s)
  • 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
  • Medicaid
  • Medicare
  • Medicare - ACD
  • Neighborhood Health Plan - ACD
  • Neighborhood Health Plan - PBO
  • 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
Patient Age Group

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Research & Publications

Research Summary
Research 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.

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Gastroenterology Associates
55 Fruit Street
Boston MA, 02114-2696
Phone: 617-724-6044
Fax: 617-724-5997

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