Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Regina Llana Villanueva

Pediatric Occupational Therapist in Hacienda Heights, CA · enumerated 2022.

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

National Provider Identifier

1609506690

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Registry record

Entity type Individual (Type 1)

Name Regina Llana Villanueva

Sex Female

Practice address 15454 Gale Ave Ste F, Hacienda Heights, CA, 91745

Phone (626) 330-1538

Enumeration date Jun 13, 2022

Last updated in NPPES Jun 13, 2022

Taxonomy & licenses

225XP0200X Pediatric Occupational Therapist Respiratory, Developmental, Rehabilitative and Restorative 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 Regina Villanueva?

The National Provider Identifier (NPI) for Regina Villanueva is 1609506690, a Type 1 (individual) record in the CMS NPPES registry.

Where does Regina Villanueva practice?

The practice location on file with NPPES is in Hacienda Heights, 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 2022-06-13.