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About Dr. Barrett

Founder and

Chief of Gastroenterology

Beth Israel Deaconess Hospital - Milton

Dr. Barrett founded the Digestive Health Center of Boston (DHCB) to educate and treat those who are among the millions suffering from digestive disorders, such as irritable bowel syndrome (IBS) and celiac disease.


Based on is own research and treatment history, as well as a growing body of outside research on IBS, Dr. Barrett advocates for a treatment protocol consisting of short-term antibiotics, long-term probiotics, and the maintenance of a high-fiber diet. Learn more about his new approach to treating IBS. Read more about IBS New Approach.


Dr. Barrett’s and the Digestive Health Center of Boston’s affiliations include:


  • American Board of Medical Specialties

  • American College of Gastroenterology

  • American Gastroenterological Association

  • Beyond Celiac

  • Crohn’s & Colitis Foundation

  • Masachusetts Medical Society

  • National Institute of Diabetes and Digestive and Kidney Diseases

Salix Pharmaceuticals and Dematteo Moness (consultant)


Dr. Barrett was raised in the Boston area, attended Boston Latin School and graduated with honors from Boston College with a B.S. in biology. He earned his medical degree from Tufts University School of Medicine and completed his internship and residency at St. Elizabeth’s Hospital. As a gastroenterologist, Dr. Barrett has been trained in the management of gastrointestinal tract and liver diseases.


Outside of work, Dr. Barrett enjoys fishing off the coast of Cape Cod, though mostly treasures time with his family.

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