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

Mrs. Dione Lynette Williams, LLPC

Professional Counselor in Detroit, MI · enumerated 2007.

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

National Provider Identifier

1851412977

Verified

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Registry record

Entity type Individual (Type 1)

Name Mrs. Dione Lynette Williams

Credential LLPC

Sex Female

Practice address Detroit, MI, 48202

Phone (313) 344-9099

Enumeration date Apr 3, 2007

Last updated in NPPES Nov 18, 2021

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

Taxonomy & licenses

101YP2500X Professional Counselor Behavioral Health & Social Service Providers · License 6401014804 (MI) Primary

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License 6802074657 (MI) Secondary

Other identifiers

Identifier	Type	State	Issuer
6401014804	Other	MI	LLPC

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

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

What specialty is Dione Williams?

Dione Williams is registered in NPPES with the primary taxonomy of Professional Counselor. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-11-18.