Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mrs. Margarite H. Dunn, LAC,LMSW, AADC, CS

Addiction (Substance Use Disorder) Counselor in Winnsboro, SC · enumerated 2013.

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

National Provider Identifier

1588902738

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Registry record

Entity type Individual (Type 1)

Name Mrs. Margarite H. Dunn

Credential LAC,LMSW, AADC, CS

Sex Female

Practice address 200 Calhoun Street, Winnsboro, SC, 29180

Phone (803) 635-2335

Fax (803) 635-9695

Enumeration date Jan 23, 2013

Last updated in NPPES Aug 17, 2023

Taxonomy & licenses

101YA0400X Addiction (Substance Use Disorder) Counselor Behavioral Health & Social Service Providers · License 007372 (SC) Primary

LAC · Licensed Acupuncturist: A practitioner licensed to perform acupuncture. About the LAC credential

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 Margarite Dunn?

The National Provider Identifier (NPI) for Margarite Dunn is 1588902738, a Type 1 (individual) record in the CMS NPPES registry.

Where does Margarite Dunn practice?

The practice location on file with NPPES is in Winnsboro, 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 2023-08-17.