IndividualActive
Thomas Diaz, MD
NPI 1750398590 · Family Medicine Physician · Katy, TX
Thomas Diaz, MD is a Family Medicine Physician provider in Katy, TX (NPI 1750398590).
Provider details
- NPI number
- 1750398590
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- G4564 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
1331 W Grand Pkwy N
Suite 345
Katy, TX 77493-2710
Phone: (281) 398-8044
Fax: (281) 574-3972
Approximate (ZIP-level) locationGet directions
Mailing address
1331 W Grand Parkway N
Katy, TX 77493-2736
Registry dates
- Enumerated
- 2006-08-02
- Last updated
- 2011-09-06
Frequently asked questions
- What is Thomas Diaz's NPI number?
- Thomas Diaz's National Provider Identifier (NPI) is 1750398590, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Diaz's specialty?
- Thomas Diaz is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Thomas Diaz located?
- Thomas Diaz's practice location on file with NPPES is 1331 W Grand Pkwy N, Katy, TX 77493-2710.
- What is Thomas Diaz's phone number?
- The practice phone number listed in the NPPES registry for Thomas Diaz is (281) 398-8044.
- Is Thomas Diaz's NPI active?
- Yes — Thomas Diaz's NPI (1750398590) is active in the NPPES registry as of the last update on 2011-09-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.