Dr. Peter Baker Kelsey MD Gastroenterologist

Dr. Peter Kelsey is a gastroenterologist in Boston, Massachusetts and is affiliated with Massachusetts General Hospital. He received his medical degree from Columbia University College of Physicians and Surgeons and has been in practice for 35 years. Dr. Kelsey accepts several types of health insurance, listed below. He is one of 43 doctors at Massachusetts General Hospital who specialize in Gastroenterology.

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Office Location

See Contact Information

Specialty & Clinical Interests

Gastroenterologist: General Gastroenterology

Hospital Affiliation

Massachusetts General Hospital
Ranked #4 in Gastroenterology & GI Surgery

Education & Medical Training

New York Presbyterian Hospital, Columbia Campus
Residency, Internal Medicine, 1979 - 1982

Columbia University College of Physicians and Surgeons
Class of 1979

Certifications & Licensure

American Board of Internal Medicine
Certified 32 years in Internal Medicine

American Board of Internal Medicine
Certified 29 years in Gastroenterology

MA State Medical License
Active through 2013

Publications & Presentations

Recurrences are common after endoscopic ampullectomy for adenoma in the familial adenomatous polyposis (FAP) syndrome.
Ma, T.,Jang, E. J.,Zukerberg, L. R.,Odze, R.,Gala, M. K.,Kelsey, P. B.,Forcione, D. G.,Brugge, W. R.,Casey, B. W.,Syngal, S.,Chung, D. C.

S-Nitrosothiol Signaling Regulates Liver Development and Improves Outcome following Toxic Liver Injury.
Cox, A. G.,Saunders, D. C.,Kelsey, P. B.,Conway, A. A.,Tesmenitsky, Y.,Marchini, J. F.,Brown, K. K.,Stamler, J. S.,Colagiovanni, D. B.,Rosenthal, G. J.,Croce, K. J.,North, T. E.,Goessling, W.

Jaundice six months following liver transplantation.
Vagefi, P. A.,Kelsey, P. B.,Hochberg, E. P.,Kotton, C. N.

See all 17 publications

Insurances Accepted

  • Aetna Choice POS II
  • Aetna HMO
  • BCBS Blue Card PPO
  • BCBS Illinois PPO
  • BCBS Massachusetts Blue Care Elect PPO
  • CIGNA HMO
  • CIGNA Open Access
  • CIGNA PPO
  • Cofinity PPO
  • First Choice
  • First Health PPO
  • Great West PPO
  • Harvard Pilgrim HMO
  • Health Net Oregon PPO
  • Humana ChoiceCare Network PPO
  • Lifewise Health Plan of Oregon
  • Multiplan PHCS PPO
  • Multiplan PPO
  • ODS Network
  • Pacificare HMO
  • PacificSource Preferred PSN
  • Providence Health System Personal Option
  • Providence Health System Preferred PPO
  • Tufts Health Plan PPO
  • UniCare PPO
  • United Healthcare - Direct Choice Plus POS
  • United Healthcare - Direct Options PPO
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