Justin Stephen Chang

Primary specialty

Student in an Organized Health Care Education/Training ProgramTaxonomy code 390200000X

Practice address

1520 San Pablo St Ste 1300
Los Angeles, CA 90033-5312

Phone

(323) 442-5900

NPI assigned

Apr 30, 2024

Last updated

Apr 3, 2026By the provider in NPPES

Sex

Male

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Medicare enrollment (NPD)

Enrolled

Practice roles

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Usc Family Medicine Inc.

  • Family Medicine Physician
  • Los Angeles, CA
  • NPI 1619011285
  NPD (past)

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1714435200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1775174400000",
    "number": "1720835630",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1520 SAN PABLO ST STE 1300",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900335312",
            "telephone_number": "323-442-5900"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1520 SAN PABLO ST STE 1300",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900335312",
            "telephone_number": "323-442-5900"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CHANG",
        "first_name": "JUSTIN",
        "middle_name": "STEPHEN",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2024-04-30",
        "last_updated": "2026-04-03",
        "certification_date": "2026-04-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": "NU",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Joseph C Chang, PHARM.D.
• Julie Chang, OD
• Julie K Chang, NP
• Jungim Chang, LCSW
• Justin Matthew Chang
• Kai Ching Chang
• Katherine Chang
• Katy Kai-Ti Chang, DNP, MSN, NP-BC
• Kenny Chang, PAC
• Kenny Chang

• Student in an Organized Health Care Education/Training Program in Los Angeles, CA
• Providers in Los Angeles, CA by specialty
• Student in an Organized Health Care Education/Training Program in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 3, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.