Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Premier Internal Medicine Associates of Houston Pllc

Internal Medicine Physician in Katy, TX · enumerated 2016 · authorized official Nadia Abbasi, Ceo.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1407306947

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Registry record

Entity type Organization (Type 2)

Legal business name Premier Internal Medicine Associates of Houston Pllc

Practice address 1331 W Grand Pkwy N Ste 345, Katy, TX, 77493

Phone (281) 398-8044

Fax (281) 574-3972

Enumeration date Oct 7, 2016

Last updated in NPPES Jul 4, 2022

Taxonomy & classification

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License P4536 (TX) Primary

Authorized official

Name Nadia Abbasi

Title Ceo

Phone (281) 398-8044

Other identifiers

Identifier	Type	State	Issuer
P4536	Other	TX	STATE LICENSE

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

How current is this record?

Data comes from the CMS NPPES public dissemination file; this record was last updated in NPPES on 2022-07-04. Verify at npiregistry.cms.hhs.gov.

Where is Premier Internal Medicine Associates of Houston Pllc located?

The practice location on file with NPPES is in Katy, TX.

Providers at this address

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Thomas G. Diaz M.D,P.A. Primary Care Clinic/Center · Katy, TX NPI 1174711501

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-07-04.