Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Arthur Bailon

Peer Specialist in Altadena, CA · enumerated 2025 · practices at Alcohol and Substance Abuse Programs, Inc..

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

National Provider Identifier

1003603846

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Registry record

Entity type Individual (Type 1)

Name Arthur Bailon

Sex Male

Practice address Altadena, CA, 91001

Phone (626) 421-6382

Enumeration date Apr 24, 2025

Last updated in NPPES Apr 24, 2025

Street address withheld — NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

175T00000X Peer Specialist Other 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.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Arthur Bailon?

The National Provider Identifier (NPI) for Arthur Bailon is 1003603846, a Type 1 (individual) record in the CMS NPPES registry.

Where does Arthur Bailon practice?

The practice location on file with NPPES is in Altadena, CA. 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 2025-04-24.