NPI Portal NPI Lookup & Verification

Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Willis, Halter and Associates

Internal Medicine Physician in Lufkin, TX · enumerated 2006 · authorized official Thomas Willis, President.

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

National Provider Identifier

1235159096

Verified

See something wrong? Report a correction

Registry record

Entity type Organization (Type 2)
Legal business name Willis, Halter and Associates
Other name <Unavail>
Practice address 402 Gaslight Blvd, Lufkin, TX, 75904
Phone (936) 634-7522
Fax (936) 639-4549
Enumeration date Jul 21, 2006
Last updated in NPPES Aug 4, 2010

Taxonomy & classification

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 0080941103 (TX) Primary

Authorized official

Name Thomas Willis
Title President
Phone (936) 634-7522

Other identifiers

Identifier Type State Issuer
083161201 Medicaid TX -

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

What is the NPI number for Willis, Halter and Associates?
The NPI for Willis, Halter and Associates is 1235159096, a Type 2 (organization) record in the CMS NPPES registry.
Who is the authorized official for Willis, Halter and Associates?
NPPES lists Thomas Willis (President) as the authorized official for this organization.

Providers at this address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2010-08-04.