Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Marchilles Yu Ong, RPT

Physical Therapist in Madera, CA · enumerated 2012.

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

National Provider Identifier

1164766762

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Registry record

Entity type Individual (Type 1)

Name Marchilles Yu Ong

Credential RPT

Sex Male

Practice address 509 S I St, Suite A, Madera, CA, 93637

Phone (559) 673-9020

Enumeration date Nov 20, 2012

Last updated in NPPES Nov 20, 2012

Taxonomy & licenses

225100000X Physical Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 034671-1 (NY) 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 Marchilles Ong?

The National Provider Identifier (NPI) for Marchilles Ong is 1164766762, a Type 1 (individual) record in the CMS NPPES registry.

Where does Marchilles Ong practice?

The practice location on file with NPPES is in Madera, 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 2012-11-20.