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

Mr. Charles H Chen, RPT

Geriatric Physical Therapist in Alhambra, CA · enumerated 2012.

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

National Provider Identifier

1841564754

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Registry record

Entity type Individual (Type 1)

Name Mr. Charles H Chen

Credential RPT

Sex Male

Practice address Alhambra, CA, 91801

Phone (626) 272-4808

Enumeration date Feb 24, 2012

Last updated in NPPES Feb 24, 2012

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

Taxonomy & licenses

2251E1300X Clinical Electrophysiology Physical Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License PT22344 (CA) Secondary

2251G0304X Geriatric Physical Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License PT22344 (CA) Primary

2251S0007X Sports Physical Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License PT22344 (CA) Secondary

2251X0800X Orthopedic Physical Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License PT22344 (CA) Secondary

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

How do I verify Charles Chen's NPI record?

Cross-check NPI 1841564754 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1841564754 active?

Yes, as of the latest NPPES snapshot, NPI 1841564754 is active (record last updated 2012-02-24).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2012-02-24.