Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Antione J Williams, LLMSW

Clinical Social Worker in South Lyon, MI · enumerated 2018 · practices at Genesis Psychological Services, P.C..

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

National Provider Identifier

1366932675

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Registry record

Entity type Individual (Type 1)

Name Antione J Williams

Credential LLMSW

Sex Male

Practice address 415 S Lafayette St, South Lyon, MI, 48178

Phone (248) 573-7417

Enumeration date May 11, 2018

Last updated in NPPES Jul 31, 2024

Taxonomy & licenses

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License 6851107550 (MI) 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

Where does Antione Williams practice?

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

What is the NPI number for Antione Williams?

The National Provider Identifier (NPI) for Antione Williams is 1366932675, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

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James Day Clinical Psychologist · South Lyon, MI NPI 1104901081 Genesis Psychological Services, P.C. Clinical Psychologist · South Lyon, MI NPI 1073684114

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-07-31.