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Internist, Gastroenterologist (digestive), Hepatologist
27 years of experience
Accepting new patients
Video profile
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).

Patient Reviews

Patient comments (5)

The overall average patient rating of Dr. Gary Trey is Excellent. Dr. Trey has been reviewed by 20 patients who have provided 5 comments. The rating is 4.5 out of 5 stars.

Patient Ratings
Ease of Appointment 4.9
Promptness 4.6
Courteous Staff 5.0
Accurate Diagnosis 4.8
Bedside Manner 4.8
Spends Time with Me 4.5
Follows Up After Visit 4.5

Specialties & Research

Dr. Gary Trey, MD is board certified in Internal Medicine.

  • He has special expertise in 7 areas:
  • Acid Reflux Disease (Gastroesophageal Reflux / GERD)
  • Constipation
  • Gastroparesis
  • Hepatitis B
  • Hepatitis C
  • Irritable Bowel Syndrome (IBS)
  • Ulcerative Colitis

Education & Awards

Dr. Trey graduated from Tulane University, New Orleans. He has 5 awards.

Patients' Choice Award (2015)
Compassionate Doctor Recognition (2009, 2012 - 2013)
Top 10 Doctor - Neighborhood (2014)
Fenway - Kenmore - Audubon Circle - Longwood
Top 10 Doctor - City (2014)
Boston, MA
On-Time Doctor Award (2009, 2015)


Dr. Trey has 7 hospital affiliations:

  • Beth Israel Deaconess Medical Center 
  • Mt Auburn Hospital 

> > > > Dr. Gary Trey, MD

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Additional Information
Dr. Gary Trey MD is a male Internist, has 27 years of experience and practices in Internal Medicine, Gastroenterology, and Hepatology.
Where does Dr. Gary Trey practice?
Dr. Gary Trey has 1 office location.
Dr. Gary Trey practices Internal Medicine, Gastroenterology, and Hepatology near Somerville, MA.
See Somerville Internists, Somerville Gastroenterologists, and Somerville Hepatologists.