Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mr. Demarcus Antonio Thompson

Clinical Social Worker in Lancaster, SC · enumerated 2026.

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

National Provider Identifier

1821927294

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Registry record

Entity type Individual (Type 1)

Name Mr. Demarcus Antonio Thompson

Sex Male

Practice address 600 W Meeting St, Lancaster, SC, 29720

Phone (980) 616-8353

Enumeration date May 13, 2026

Last updated in NPPES May 18, 2026

Taxonomy & licenses

104100000X Social Worker Behavioral Health & Social Service Providers · License P021496 (NC) Secondary

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License P021496 (NC) 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 Demarcus Thompson?

The National Provider Identifier (NPI) for Demarcus Thompson is 1821927294, a Type 1 (individual) record in the CMS NPPES registry.

Where does Demarcus Thompson practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-05-18.