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

Dr. Collin O'Brien Grahl, MD

Individual provider Military Health Care Provider · NPI 1851038467

Dr. Collin O'Brien Grahl, MD is a Military Health Care Provider in Fort Sam Houston, Texas. Licensed in Texas and Virginia. Registered with an NPI since 2022.

Licensed in
TX, VA
In the registry since
2022
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: (512) 587-5269
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

General Practice Physician (primary) Taxonomy 208D00000X · Licence 0101281763 (VA)
Military Health Care Provider Taxonomy 171000000X · Licence BP10078718 (TX)

Record details

NPI number1851038467
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 16, 2022
Last updated in NPPESJuly 3, 2024
Certification dateJuly 3, 2024

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