CHOC Health Alliance is a health care facility that serves youths under the age of 21. Its hospitals include Children's Hospital of Orange County and CHOC at Mission. The hospital also offers pediatric care services. CHOC Health Alliance is managed by Schaller Anderson of California. It specializes in the areas of mental health, substance abuse, physical and mental disabilities, asthma, pregnancy and personal care management. The hospital also operates a member service department and poison control center. CHOC Health Alliance is located in Orange, Calif.