Matthew Welzenbach , MD

Male Internal Medicine

Health Plans

  • Aetna

    Plan Type: Commercial

    Member Services: (800) 756 - 7039

    Region Code
    Select 1 337904
    St. Francis 2 522490
  • Alignment Health Plan

    Plan Type: Medicare Advantage

    Member Services: (866) 634 - 2247

    Region Code
    Select 1 ACSA100582
    St. Francis 2 ACSF100526
  • Anthem Blue Cross

    Plan Type: Commercial, Medicare Advantage

    Member Services: (800) 627 - 8797

    Region Code
    Select 1 1CN725
    St. Francis 2 0SI500
  • Cigna

    Plan Type: Commercial

    Member Services: (800) 244 - 6224

    Region Code
    Select 1 6117087005
    St. Francis 2 6117087004
  • UnitedHealthcare

    Plan Type: Commercial, Medicare Advantage

    Member Services: (866) 633 - 2446

    Region Code
    Select 1 0253270870
    St. Francis 2 0146920559
  • 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.
School: Chicago Medical School /Rosalind Franklin University of Medicine & Science
Internship: University of Colorado School of Medicine
Residency: University of Colorado School of Medicine
  • 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.
  • 808 W 58th St Los Angeles, CA 90037, Get Directions
    MON: 8:00AM - 7:30PM
    TUE: 8:00AM - 7:30PM
    WED: 8:00AM - 7:30PM
    THU: 8:00AM - 7:30PM
    FRI: 8:00AM - 7:30PM
School: Chicago Medical School /Rosalind Franklin University of Medicine & Science
Internship: University of Colorado School of Medicine
Residency: University of Colorado School of Medicine