Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

John Castle, PA-C

Q: What is the NPI number for John Castle?

The National Provider Identifier (NPI) for John Castle is 1073583183, a Type 1 (individual) record in the CMS NPPES registry.

Physician Assistant in Artesia, NM · enumerated 2006.

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

National Provider Identifier

1073583183

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Registry record

Entity type Individual (Type 1)

Name John Castle

Credential PA-C

Sex Male

Practice address 702 N 13th St, Artesia, NM, 88210

Phone (575) 746-3119

Fax (575) 736-8357

Enumeration date Jan 23, 2006

Last updated in NPPES Apr 29, 2025

Taxonomy & licenses

363AS0400X Surgical Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License PA01505 (TX) Secondary

363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License PA01505 (TX) 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

Where does John Castle practice?

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

What is the NPI number for John Castle?

The National Provider Identifier (NPI) for John Castle is 1073583183, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-04-29.