THOMAS G. DIAZ M.D,P.A.
NPI 1174711501
Clinic/Center - Primary Care in Katy, TX

Active since October 10, 2007
1331 W GRAND PKWY N STE 345, KATY, TX 77493(281) 398-8044 Get Directions Write a Review

NPPES record last updated: December 4, 2007. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Thomas G. Diaz M.d,p.a. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

THOMAS G. DIAZ M.D,P.A. (NPI 1174711501) is a healthcare organization registered as a primary care in Katy, Texas and active in the NPI registry since October 2007. The organization lists Thomas Guerra Diaz, President, as its authorized official.

NPPES Registry Identity

NPI1174711501
Entity TypeOrganization
Primary Taxonomy261QP2300X
Legal Business NameTHOMAS G. DIAZ M.D,P.A.
Location Address1331 W GRAND PKWY N STE 345Katy, TX 77493-2736
Mailing Address1331 W Grand Pkwy N Ste 345Katy, TX 77493-2736 · (281) 398-8044
Organization SubpartNo
Authorized OfficialThomas Guerra DiazPresident · (281) 398-8044
Enumeration DateOctober 10, 2007
Last NPPES UpdateDecember 4, 2007
NPI 1174711501 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyClinic/Center · Primary CareAmbulatory Health Care Facilities
Taxonomy Code261QP2300X
License Licensed in TX · G4564
1331 W GRAND PKWY N STE 345, Katy, TX 77493

Other Identifiers 4

Medicare UPINB52424
Medicare PIN00733U
Other00733URr Mcr Pin
Other00733UBcbs Pin

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Internal Medicine
1331 W GRAND PKWY N STE 345
KATY, TX 77493

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Thomas G. Diaz M.D,p.A.'s NPI number?

The NPI number for Thomas G. Diaz M.D,p.A. is 1174711501. It was assigned to this organization in the NPPES registry on October 10, 2007.

Where is Thomas G. Diaz M.D,p.A. located?

Thomas G. Diaz M.D,p.A. is located at 1331 W Grand Pkwy N Ste 345, Katy, TX 77493. The listed phone number is (281) 398-8044.

What is Thomas G. Diaz M.D,p.A.'s specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Primary Care, with taxonomy code 261QP2300X.

When was this NPI record last updated?

The NPPES record for Thomas G. Diaz M.D,p.A. was last updated on December 4, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.