Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

A&J Rehab Inc

Physical Therapy Clinic/Center in Diamond Bar, CA · enumerated 2026 · authorized official Byungkwan An, Chief Financial Officer.

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

National Provider Identifier

1659298479

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Registry record

Entity type Organization (Type 2)

Legal business name A&J Rehab Inc

Practice address 3110 Marigold Cir, Diamond Bar, CA, 91765

Phone (213) 925-2697

Enumeration date Jul 2, 2026

Last updated in NPPES Jul 2, 2026

Taxonomy & classification

261QP2000X Physical Therapy Clinic/Center Ambulatory Health Care Facilities Primary

Authorized official

Name Byungkwan An

Title Chief Financial Officer

Phone (213) 925-2697

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 current is this record?

Data comes from the CMS NPPES public dissemination file; this record was last updated in NPPES on 2026-07-02. Verify at npiregistry.cms.hhs.gov.

Where is A&J Rehab Inc located?

The practice location on file with NPPES is in Diamond Bar, CA.

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