Individual provider · Type 1 NPI

John Thomas Dugan Iii, MD

Gastroenterology Physician · Houston, TX

NPI number 1154677755 Active

Practice location

1213 Hermann Dr Ste 278
Houston, TX 77004-7009

Call (832) 707-5011 Map

Mailing address

15555 Creek Bend Dr Ste 200
Sugar Land, TX 77478-4670

Specialties and licenses

TaxonomyCodeLicense
Gastroenterology Physician Primary 207RG0100XQ7550 (TX)

Gastroenterology Physician: An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

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About NPI 1154677755

John Thomas Dugan Iii, MD's National Provider Identifier is 1154677755, issued on Aug 1, 2012. The primary taxonomy on file is Gastroenterology Physician (207RG0100X), and the practice location is in Houston, TX. The record was last updated on Feb 9, 2026.