• Start Over

Merrill Shum , MD

Male Hematology & Oncology

Health Plans

To find out if AppleCare works with your provider, please contact a Member Services representative at 1-800-460-5051, TTY 711.

Call to make an appointment

1-310-667-4000

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.
  • 11480 Brookshire Ave Ste 309 Downey, CA 90241, Get Directions
    Phone: 1-562-869-1201
    MON: 8:30AM - 5:00PM
    TUE: 8:30AM - 5:00PM
    WED: 8:30AM - 5:00PM
    THU: 9:30AM - 5:00PM
    FRI: 8:30AM - 5:00PM
  • 3628 E Imperial Hwy Ste 401 Lynwood, CA 90262, Get Directions
    Phone: 1-310-667-4000
    MON: 8:30AM - 5:00PM
    TUE: 8:30AM - 5:00PM
    WED: 8:30AM - 5:00PM
    THU: 9:30AM - 5:00PM
    FRI: 8:30AM - 5:00PM
  • 3300 E South St Ste 304 Long Beach, CA 90805, Get Directions
    Phone: 1-562-232-0550
    MON: 8:30AM - 5:00PM
    TUE: 8:30AM - 5:00PM
    WED: 8:30AM - 5:00PM
    THU: 9:30AM - 5:00PM
    FRI: 8:30AM - 5:00PM
  • 101 E Beverly Blvd Ste 200 Montebello, CA 90640, Get Directions
    Phone: 1-323-278-4400
    MON: 8:30AM - 5:00PM
    TUE: 8:30AM - 5:00PM
    WED: 8:30AM - 5:00PM
    THU: 9:30AM - 5:00PM
    FRI: 8:30AM - 5:00PM
  • 8135 S Painter Ave Ste 103 Whittier, CA 90602, Get Directions
    Phone: 1-562-698-6888
    MON: 8:30AM - 5:00PM
    TUE: 8:30AM - 5:00PM
    WED: 8:30AM - 5:00PM
    THU: 8:30AM - 5:00PM
    FRI: 8:30AM - 5:00PM
Additional languages spoken: Cantonese, Chinese, Spanish
School: Universidad Autonoma De Guadalajara Facultad De Medicina
Internship: Cooper Hospital-university Medical Center
Residency: Cooper Hospital-university Medical Center

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