Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Kathleen Williams, LCSW

Clinical Social Worker in Universal City, TX · enumerated 2015.

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

National Provider Identifier

1841681210

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Registry record

Entity type Individual (Type 1)

Name Kathleen Williams

Credential LCSW

Sex Female

Practice address Universal City, TX, 78148

Phone (210) 467-7446

Fax (210) 598-1910

Enumeration date Feb 6, 2015

Last updated in NPPES Jun 5, 2020

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License 16040 (TX) Primary

LCSW · Licensed Clinical Social Worker: A social worker licensed for clinical practice including mental-health therapy. About the LCSW credential

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 1841681210, a Type 1 (individual) record in the CMS NPPES registry.

Where does Kathleen Williams practice?

The practice location on file with NPPES is in Universal City, TX. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-06-05.