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

Catherine A Thomas, LICSW

Clinical Social Worker in Olympia, WA · enumerated 2025 · practices at Toni Principe Licsw, Pllc.

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

National Provider Identifier

1417811142

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Registry record

Entity type Individual (Type 1)

Name Catherine A Thomas

Credential LICSW

Sex Female

Practice address Olympia, WA, 98506

Phone (360) 890-0949

Enumeration date Dec 16, 2025

Last updated in NPPES Apr 17, 2026

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 LW60920740 (WA) 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.

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Frequently asked questions

How do I verify Catherine Thomas's NPI record?

Cross-check NPI 1417811142 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1417811142 active?

Yes, as of the latest NPPES snapshot, NPI 1417811142 is active (record last updated 2026-04-17).

Other providers at this practice address

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Janet Brodsky Clinical Social Worker · Olympia, WA NPI 1114000247 Toni Principe Clinical Social Worker · Olympia, WA NPI 1073216784 Toni Principe Licsw, Pllc Clinical Social Worker · Olympia, WA NPI 1619772282

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-04-17.