Yixuan Chang, NP

Primary specialty

Nurse PractitionerTaxonomy code 363L00000X

License

95009221 Issued in CA

Practice address

100 UCLA Medical PLZ Ste 550
Los Angeles, CA 90024-6998

Phone

(310) 794-4955

NPI assigned

Jun 19, 2018

Last updated

Jun 10, 2026By the provider in NPPES

Sex

Female

Sole proprietor

Yes

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

Specialties & licenses 2

Addresses

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in CA

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: No

Green means eligible to order or refer.

Enrollment records 1

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: clarissa.chang@direct.usc.edu

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.

• The Regents of the University of California

  dba UCLA Dept of Medicine

  • Internal Medicine Physician
  • Los Angeles, CA
  • NPI 1235107566
  Medicare reassignment NPD
• The Regents of the University of California

  dba UCLA Dept of Medicine

  • Ambulatory Surgical Clinic/Center
  • Valencia, CA
  • NPI 1689200305
  NPD
• UCLA Medical Group

  • Internal Medicine Physician
  • Los Angeles, CA
  • NPI 1043427248
  NPD (past)

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

{
    "created_epoch": "1529366400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1781049600000",
    "number": "1023502598",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5767 W CENTURY BLVD STE 400",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900455631"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "100 UCLA MEDICAL PLZ STE 550",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900246998",
            "telephone_number": "310-794-4955"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "125 W Huntington Dr Bldg A",
            "address_purpose": "LOCATION",
            "city": "Arcadia",
            "state": "CA",
            "postal_code": "910073050",
            "country_code": "US",
            "telephone_number": "323-865-3105",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "CHANG",
        "first_name": "YIXUAN",
        "credential": "NP",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2018-06-19",
        "last_updated": "2026-06-10",
        "certification_date": "2026-06-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "CA",
            "license": "95009221",
            "primary": true
        },
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "CA",
            "license": "95009221",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "clarissa.chang@direct.usc.edu",
            "affiliation": "Y",
            "affiliationName": "USC CARE MEDICAL GROUP, INC",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "CSV",
            "contentTypeDescription": "CSV",
            "address_1": "125 W Huntington Dr Bldg A",
            "city": "Arcadia",
            "state": "CA",
            "country_code": "US",
            "postal_code": "910073050",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Vivian Li-Ann Chang, MPT
• Vivian Yoo Jung Chang, M.D.
• Wannien Chang
• Wendy Chen Chang, M.D.
• Xinlian Chang
• Yoo Jung Chang
• Young Chang, PA-C, CPH, MPH
• Young S Chang, ASW REGISTERED
• Yula Chang
• Yung Hsin Chang, MD

• Nurse Practitioner in Los Angeles, CA
• Providers in Los Angeles, CA by specialty
• Nurse Practitioner in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 10, 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.