Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mrs. Loc T. Truong-Pelayo, OTR/L

Occupational Therapist in Rancho Cucamonga, CA · enumerated 2007 · practices at Horizon Therapy Services.

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

National Provider Identifier

1578746798

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Registry record

Entity type Individual (Type 1)

Name Mrs. Loc T. Truong-Pelayo

Credential OTR/L

Sex Female

Practice address 8265 White Oak Ave, Rancho Cucamonga, CA, 91730

Phone (909) 373-1641

Fax (909) 481-7657

Enumeration date Dec 11, 2007

Last updated in NPPES Dec 11, 2007

Taxonomy & licenses

225X00000X Occupational Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 9641 (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.

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Frequently asked questions

What is the NPI number for Loc Truong-Pelayo?

The National Provider Identifier (NPI) for Loc Truong-Pelayo is 1578746798, a Type 1 (individual) record in the CMS NPPES registry.

Where does Loc Truong-Pelayo practice?

The practice location on file with NPPES is in Rancho Cucamonga, 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 2007-12-11.