Peter Y Chang, MD

Primary specialty

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

License

G42520 Issued in CA

Practice address

3975 Jackson St
Suite 102
Riverside, CA 92503-3938

Phone

(951) 359-0660

Fax

(951) 359-0897

NPI assigned

Jun 14, 2006

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

Other identifiers 1

Medicare fee-for-service enrollment

Enrolled in CA

Enrollment records 1

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• FHIR API: https://fhir4.healow.com/fhir/r4/IIFFBA/Endpoint/IIFFBA

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.

• Healthcare Partners Affiliates Medical Group

  dba Optum

  • Internal Medicine Physician
  • Los Angeles, CA
  • NPI 1659312593
  Medicare reassignment NPD
• Peter Y. Chang, M.D., PH.D., Inc.

  • Student in an Organized Health Care Education/Training Program
  • Riverside, CA
  • NPI 1265621114
  Authorized official Same address or phone
• Healthcare Partners Affiliates Medical Group

  dba Optum

  • Durable Medical Equipment & Medical Supplies
  • Murrieta, CA
  • NPI 1760057269
  NPD

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

{
    "created_epoch": "1150243200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1184667560",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3975 JACKSON ST",
            "address_2": "SUITE 102",
            "city": "RIVERSIDE",
            "state": "CA",
            "postal_code": "925033938",
            "telephone_number": "951-359-0660",
            "fax_number": "951-359-0897"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3975 JACKSON ST",
            "address_2": "SUITE 102",
            "city": "RIVERSIDE",
            "state": "CA",
            "postal_code": "925033938",
            "telephone_number": "951-359-0660",
            "fax_number": "951-359-0897"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CHANG",
        "first_name": "PETER",
        "middle_name": "Y",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-06-14",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": "CA",
            "license": "G42520",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "OOG425200",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Lina Jin Chang, DPT, OCS, CSCS
• Melody A Chang, MD
• Ming-Chuan Chang, WHNP-BC,, PH.D.
• Nafky Chang
• Pamella Chang, O.D.
• Ryan Chang
• Victor Chang, DO
• Eric Changchien, MD
• Change the Influence
• Laura Milena Channer, MSW, LCSW

• Student in an Organized Health Care Education/Training Program in Riverside, CA
• Providers in Riverside, 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 Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.