Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Andrew Mertz, MD

Individual provider Internal Medicine Physician · NPI 1063948115

Andrew Mertz, MD is an Internal Medicine Physician in Fort Sam Houston, Texas. Licensed in Virginia. Registered with an NPI since 2017.

Licensed in
VA
In the registry since
2017
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

3551 Roger Brooke Dr
Fort Sam Houston, TX 78234-4504
Phone: (210) 916-3647
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence 0101266558 (VA)
Internal Medicine Physician Taxonomy 207R00000X · Licence 0101266558 (VA)

Record details

NPI number1063948115
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 11, 2017
Last updated in NPPESAugust 4, 2025
Certification dateAugust 4, 2025
Mailing address8901 Rockville Pike, Bethesda, MD 20889-0001

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