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Gastroenterologist (digestive)
43 years of experience
Video profile
Accepting new patients
License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Learn more about Dr. Mark Peppercorn:

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  1. Qualifications
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Patient Reviews

Patient comments (0)

The overall average patient rating of Dr. Mark Peppercorn is Excellent. Dr. Peppercorn has been reviewed by 2 patients who have provided 0 comments. The rating is 4.5 out of 5 stars.

Specialties & Research

Dr. Mark Peppercorn, MD is board certified in Gastroenterology.

  • He has special expertise in 6 areas:
  • Colectomy
  • Crohn's Disease
  • Inflammatory Bowel Diseases (IBD)
  • Intestinal Diseases
  • Restorative Proctocolectomy
  • Ulcerative Colitis

Education & Awards

Dr. Peppercorn graduated from Harvard University , Boston. He has 4 awards.

One of America's Leading Experts on:
Crohn Disease
Inflammatory Bowel Diseases (IBD)
Ulcerative Colitis
Castle Connolly's Top Doctors™ (2013)


Dr. Peppercorn has 3 hospital affiliations:

  • Beth Israel Deaconess Medical Center 
  • Beth Israel Deaconess Hospital - Needham Campus, Inc.L CORP 
  • Harvard Medical Faculty Physicians (HMFP) at Beth Israel Deaconess Medical Center 


  • Russian
  • Spanish

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Additional Information
Dr. Mark Allen Peppercorn MD is a male Internist, has 43 years of experience and practices in Gastroenterology.
Where does Dr. Mark A. Peppercorn practice?
Dr. Mark Peppercorn has 1 office location.
Dr. Mark Peppercorn practices Gastroenterology near Boston, MA.
See Boston Gastroenterologists.