Individual provider · Type 1 NPI

Andrew Mertz, MD

Gastroenterology Physician · Fort Sam Houston, TX

NPI number 1063948115 Active

Practice location

3551 Roger Brooke Dr
Fort Sam Houston, TX 78234-4504

Mailing address

8901 Rockville Pike
Bethesda, MD 20889-0001

Specialties and licenses

TaxonomyCodeLicense
Internal Medicine Physician 207R00000X0101266558 (VA)
Gastroenterology Physician Primary 207RG0100X0101266558 (VA)

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 1063948115

Andrew Mertz, MD's National Provider Identifier is 1063948115, issued on May 11, 2017. The primary taxonomy on file is Gastroenterology Physician (207RG0100X), and the practice location is in Fort Sam Houston, TX. The record was last updated on Aug 4, 2025.