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

Aaron Isidro Barro, PA-C

Q: What is the NPI number for Aaron Barro?

The National Provider Identifier (NPI) for Aaron Barro is 1255054789, a Type 1 (individual) record in the CMS NPPES registry.

Physician Assistant in Alhambra, CA · enumerated 2022.

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

National Provider Identifier

1255054789

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Registry record

Entity type Individual (Type 1)

Name Aaron Isidro Barro

Credential PA-C

Sex Male

Practice address Alhambra, CA, 91801

Phone (626) 570-1606

Enumeration date Sep 20, 2022

Last updated in NPPES Apr 5, 2023

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

Taxonomy & licenses

363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers Secondary

363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 61806 (CA) 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 Aaron Barro practice?

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

What is the NPI number for Aaron Barro?

The National Provider Identifier (NPI) for Aaron Barro is 1255054789, 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 2023-04-05.