Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Chun Joey Chang, M.D.

Q: What is the NPI number for Chun Chang?

The National Provider Identifier (NPI) for Chun Chang is 1003015462, a Type 1 (individual) record in the CMS NPPES registry.

Emergency Medicine Physician in Modesto, CA · enumerated 2007.

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

National Provider Identifier

1003015462

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Registry record

Entity type Individual (Type 1)

Name Dr. Chun Joey Chang

Credential M.D.

Sex Male

Practice address 401 Paradise Rd, #E, Modesto, CA, 95351

Phone (209) 558-5107

Enumeration date Jul 16, 2007

Last updated in NPPES Sep 6, 2022

Taxonomy & licenses

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License A106131 (CA) Secondary

208100000X Physical Medicine & Rehabilitation Physician Allopathic & Osteopathic Physicians · License 22015 (MD) Secondary

207P00000X Emergency Medicine Physician Allopathic & Osteopathic Physicians · License A106131 (CA) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

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.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Chun Chang?

The National Provider Identifier (NPI) for Chun Chang is 1003015462, a Type 1 (individual) record in the CMS NPPES registry.

Where does Chun Chang practice?

The practice location on file with NPPES is in Modesto, CA. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-09-06.