Carl Buckhorn , MD

Male Internal Medicine

Health Plans

  • 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: English
School: University Of California San Francisco School Of Medicine
Internship: UCLA School of Medicine
Residency: UCLA School of Medicine

Call to make an appointment

1-657-378-9888

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.
  • 2282 N State College Blvd Fullerton, CA 92832, Get Directions
    Phone: 1-657-378-9888
    MON: 9:00AM - 6:00PM
    TUE: 9:00AM - 6:00PM
    WED: 9:00AM - 6:00PM
    THU: 9:00AM - 6:00PM
    FRI: 9:00AM - 6:00PM
Additional languages spoken: English
School: University Of California San Francisco School Of Medicine
Internship: UCLA School of Medicine
Residency: UCLA School of Medicine

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