Diana Hsu , MD

Female Internal Medicine

Health Plans

  • Aetna

    Plan Type: Commercial

    Member Services: 1-877-204-9186

    Region Code
    Select 1 321241
    St. Francis 2 886500
    Downey 3 136035

  • AHMC

    Plan Type: Commercial

    Member Services: 1-626-300-2841

    Region Code
    Select 1 NAPP-1720090137-PCP

  • Alignment Health Plan

    Plan Type: Medicare Advantage

    Member Services: 1-866-634-2247

    Region Code
    Select 1 ACSA100062

  • Anthem Blue Cross

    Plan Type: Commercial

    Member Services: 1-800-627-8797

    Region Code
    Select 1 1CN158

  • Blue Shield

    Plan Type: Commercial

    Member Services: 1-800-393-6130

    Region Code
    Select 1 100083052014
    St. Francis 2 100083052013
    Downey 3 100083052012

  • Blue Shield 65+

    Plan Type: Medicare Advantage

    Member Services: 1-800-776-4466

    Region Code
    Select 1 100083052014
    St. Francis 2 100083052013
    Downey 3 100083052012

  • Blue Shield 65+ Choice

    Plan Type: Medicare Advantage

    Member Services: 1-800-776-4466

    Region Code
    Select 1 100083052014
    St. Francis 2 100083052013
    Downey 3 100083052012

  • Blue Shield Promise Health Plan

    Plan Type: Cal MediConnect

    Member Services: 1-800-544-0088

  • Cigna

    Plan Type: Commercial

    Member Services: 1-800-244-6224

    Region Code
    Downey 3 2884204011

  • Health Net

    Plan Type: Cal MediConnect, Commercial, Medi-Cal, Medicare Advantage

    Member Services: 1-800-522-0088

    Region Code
    Select 1 3200076449
    St. Francis 2 2892076449
    Downey 3 3027076449

  • Health Net Salud HMO y Mas

    Plan Type: Commercial

    Member Services: 1-800-522-0088

  • Humana

    Plan Type: Medicare Advantage

    Member Services: 1-800-457-4708

    Region Code
    Select 1 991284
    St. Francis 2 991285
    Downey 3 991283

  • LA Care Health Plan

    Plan Type: Cal MediConnect, Exchange, Medi-Cal

    Member Services: 1-888-452-2273

    Region Code
    Select 1 A62369W11
    St. Francis 2 A62369Z3

  • SCAN

    Plan Type: Medicare Advantage

    Member Services: 1-800-559-3500

    Region Code
    Select 1 0795-24367

  • UnitedHealthcare

    Plan Type: Commercial, Medicare Advantage

    Member Services: 1-866-633-2446

    Region Code
    Select 1 0253270207
    St. Francis 2 0146920095
    Downey 3 0159670006

  • WellCare

    Plan Type: Medicare Advantage

    Member Services: 1-866-999-3945

    Region Code
    Select 1 1389926ACO325
    St. Francis 2 ACSF3231389926
    Downey 3 ACD3201389926
  • 1 Select Region – Select region is a catch all for the rest of Los Angeles County and all Orange County areas. We recommend these IDs for Members who live outside of the Downey, St Francis, or Whittier region areas.
  • 2 St. Francis Region – A provider network built around our partner hospital, St Francis Medical Center, for better care coordination to members living in Lynwood and the surrounding cities.
  • 3 Downey Region – A provider network built around our partner hospital, PIH Health – Downey, for better care coordination to members living in Downey and the surrounding cities.
  • 4 Whittier Region – A provider network built around our partner hospital, Whittier Hospital Medical Center, for better care coordination to members living in Whittier and the surrounding cities.
Additional languages spoken: Taiwanese
School: Wayne State University School Of Medicine
Internship: LAC USC Medical Center
Residency: LAC USC Medical Center

Call to make an appointment

1-562-861-3111

Call Optum Care Network member services

1-800-460-5051, TTY 711
Monday – Friday, 8:00 am to 5:00 pm

  • 1 Select Region – Select region is a catch all for the rest of Los Angeles County and all Orange County areas. We recommend these IDs for Members who live outside of the Downey, St Francis, or Whittier region areas.
  • 2 St. Francis Region – A provider network built around our partner hospital, St Francis Medical Center, for better care coordination to members living in Lynwood and the surrounding cities.
  • 3 Downey Region – A provider network built around our partner hospital, PIH Health – Downey, for better care coordination to members living in Downey and the surrounding cities.
  • 4 Whittier Region – A provider network built around our partner hospital, Whittier Hospital Medical Center, for better care coordination to members living in Whittier and the surrounding cities.
  • 12651 Lakewood Blvd Downey, CA 90242, Get Directions
    Phone: 1-562-861-3111
    MON: 8:00AM - 5:00PM
    TUE: 8:00AM - 5:00PM
    WED: 8:00AM - 5:00PM
    THU: 8:00AM - 5:00PM
    FRI: 8:00AM - 5:00PM
Additional languages spoken: Taiwanese
School: Wayne State University School Of Medicine
Internship: LAC USC Medical Center
Residency: LAC USC Medical Center

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