Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mr. Irvin Nelms Jr.

Social Worker in Florence, SC · enumerated 2007.

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

National Provider Identifier

1912117383

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Registry record

Entity type Individual (Type 1)

Name Mr. Irvin Nelms Jr.

Sex Male

Practice address 125 E Cheves St, Florence, SC, 29506

Phone (843) 317-4081

Fax (843) 317-4088

Enumeration date May 23, 2007

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

104100000X Social Worker Behavioral Health & Social Service Providers · License 2503 (SC) Primary

Other identifiers

Identifier	Type	State	Issuer
376241	Medicaid	SC	-

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 Irvin Nelms?

Irvin Nelms 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.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.