NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Kathleen Williams

Occupational Therapist in Allen, TX · enumerated 2021.

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

National Provider Identifier

1346816576

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Kathleen Williams
Sex Female
Practice address 650 S Greenville Ave, Allen, TX, 75002
Phone (877) 407-3422
Enumeration date May 28, 2021
Last updated in NPPES May 28, 2021

Taxonomy & licenses

225X00000X Occupational Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 119130 (TX) Primary

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 Kathleen Williams?
The National Provider Identifier (NPI) for Kathleen Williams is 1346816576, a Type 1 (individual) record in the CMS NPPES registry.
Where does Kathleen Williams practice?
The practice location on file with NPPES is in Allen, TX. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-05-28.