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

Grainger Diagnostic Clinic, PA

Organization Internal Medicine Physician · NPI 1710934419

Grainger Diagnostic Clinic, PA is an Internal Medicine Physician in Houston, Texas. Licensed in Texas. Registered with an NPI since 2006.

Licensed in
TX
In the registry since
2006
Specialties on file
3
What do these letters mean?
PA — Professional association
A form of business registration, not a clinical qualification.

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Practice location Address checks out

511A W Tidwell Rd
Houston, TX 77091-4338
Phone: (713) 694-9709
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence E1595 (TX)
Cardiovascular Disease Physician Taxonomy 207RC0000X · Licence E1595 (TX)
Geriatric Medicine (Internal Medicine) Physician Taxonomy 207RG0300X · Licence E1595 (TX)

Record details

NPI number1710934419
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Henry Grainger — President · (713) 694-9709
NPI enumeratedMay 28, 2006
Last updated in NPPESApril 12, 2021
Certification dateApril 12, 2021
Mailing address511a W Tidwell Rd, Houston, TX 77091-4338

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