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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 (2)

The overall average patient rating of Dr. Andrew Thomas is Good. Dr. Thomas has been reviewed by 9 patients who have provided 2 comments. The rating is 4 out of 5 stars.

Patient Ratings
Ease of Appointment 3.9
Promptness 3.9
Courteous Staff 3.9
Accurate Diagnosis 3.8
Bedside Manner 3.8
Spends Time with Me 3.8
Follows Up After Visit 3.7

Specialties & Research

Dr. Andrew Thomas, MD is board certified in Gastroenterology.

  • He has special expertise in 6 areas:
  • Acid Reflux Disease (Gastroesophageal Reflux / GERD)
  • Constipation
  • Gastroparesis
  • Hepatitis C
  • Irritable Bowel Syndrome (IBS)
  • Ulcerative Colitis


Dr. Thomas has 10 hospital affiliations:

  • UPMC South Side 
  • UPMC Passavant 

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Additional Information
Dr. Andrew William Thomas MD is a male Internist and practices in Gastroenterology.
Where does Dr. Andrew W. Thomas practice?
Dr. Andrew Thomas has 9 office locations.
Dr. Andrew Thomas practices Gastroenterology near Pittsburgh, PA.
Additional practice locations include: Cranberry Twp, PA and Valencia, PA.
See Pittsburgh Gastroenterologists.