Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mrs. Sandra S Williams, LCSW

Social Worker in Lexington, KY · enumerated 2006.

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

National Provider Identifier

1336237494

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Registry record

Entity type Individual (Type 1)

Name Mrs. Sandra S Williams

Credential LCSW

Sex Female

Practice address 201 Mechanic St, Lexington, KY, 40507

Phone (859) 253-1686

Fax (859) 254-2743

Enumeration date Oct 11, 2006

Last updated in NPPES Jul 9, 2007

Taxonomy & licenses

104100000X Social Worker Behavioral Health & Social Service Providers · License 1185 (KY) Primary

LCSW · Licensed Clinical Social Worker: A social worker licensed for clinical practice including mental-health therapy. About the LCSW credential

Other identifiers

Identifier	Type	State	Issuer
30615058	Medicaid	KY	-

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 specialty is Sandra Williams?

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

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.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-09.