Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Billy James Chapman

Social Worker in Lawton, OK · enumerated 2007.

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

National Provider Identifier

1649476102

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Registry record

Entity type Individual (Type 1)

Name Billy James Chapman

Sex Male

Practice address 602 Sw 38th St, Lawton, OK, 73505

Phone (580) 248-5780

Fax (580) 353-0614

Enumeration date Jun 22, 2007

Last updated in NPPES Sep 29, 2011

Taxonomy & licenses

104100000X Social Worker Behavioral Health & Social Service Providers 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.

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Frequently asked questions

What is the NPI number for Billy Chapman?

The National Provider Identifier (NPI) for Billy Chapman is 1649476102, a Type 1 (individual) record in the CMS NPPES registry.

Where does Billy Chapman practice?

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

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-09-29.