Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mr. Patrick Aaron Williams, LMSW

Clinical Social Worker in Corunna, MI · enumerated 2014.

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

National Provider Identifier

1902216567

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Registry record

Entity type Individual (Type 1)

Name Mr. Patrick Aaron Williams

Credential LMSW

Sex Male

Practice address Po Box 123, Corunna, MI, 48817

Phone (810) 422-9406

Fax (810) 410-4678

Enumeration date May 5, 2014

Last updated in NPPES Dec 29, 2020

Taxonomy & licenses

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

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License 6801100004 (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.

Read the full guide → Validate an NPI →

Frequently asked questions

Where does Patrick Williams practice?

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

What is the NPI number for Patrick Williams?

The National Provider Identifier (NPI) for Patrick Williams is 1902216567, a Type 1 (individual) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-12-29.