NPI Portal NPI Lookup & Verification

Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

K Williamson and A Williamson, P.A.

Family Medicine Physician in Port Arthur, TX · enumerated 2007 · authorized official Allen Williamson, President.

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

National Provider Identifier

1912059270

Verified

See something wrong? Report a correction

Registry record

Entity type Organization (Type 2)
Legal business name K Williamson and A Williamson, P.A.
Other name <Unavail>
Practice address 3787 Doctors Dr, Suite 205, Port Arthur, TX, 77642
Fax (409) 962-6087
Enumeration date Jan 17, 2007
Last updated in NPPES Aug 22, 2020

Taxonomy & classification

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians Primary

Authorized official

Name Allen Williamson
Title President

Other identifiers

Identifier Type State Issuer
1548269566 Other TX NPI - INDIVIDUAL
1174522031 Other TX NPI - INDIVIDUAL

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 K Williamson and A Williamson, P.A.?
The NPI for K Williamson and A Williamson, P.A. is 1912059270, a Type 2 (organization) record in the CMS NPPES registry.
Who is the authorized official for K Williamson and A Williamson, P.A.?
NPPES lists Allen Williamson (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 2020-08-22.