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

Justin R Williams, LPC-S

Professional Counselor in Claremore, OK · enumerated 2007.

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

National Provider Identifier

1780882894

Verified

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Registry record

Entity type Individual (Type 1)

Name Justin R Williams

Credential LPC-S

Sex Male

Practice address Claremore, OK, 74017

Phone (918) 342-2622

Fax (918) 342-2641

Enumeration date Jul 10, 2007

Last updated in NPPES Sep 9, 2020

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

Taxonomy & licenses

101Y00000X Counselor Behavioral Health & Social Service Providers · License 4221 (OK) Secondary

101YA0400X Addiction (Substance Use Disorder) Counselor Behavioral Health & Social Service Providers · License 4221 (OK) Secondary

101YM0800X Mental Health Counselor Behavioral Health & Social Service Providers Secondary

101YP2500X Professional Counselor Behavioral Health & Social Service Providers · License 4221 (OK) 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 Justin Williams?

The National Provider Identifier (NPI) for Justin Williams is 1780882894, a Type 1 (individual) record in the CMS NPPES registry.

Where does Justin Williams practice?

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

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-09-09.