California began enrolling Medi-Cal beneficiaries in managed care plans in the 1970s. Medi-Cal beneficiaries are enrolled in one of three types of managed care Medi-Cal models depending on the county where they reside:

• Two-Plan Model
• Geographic Managed Care
• County Organized Health System

Approximately half of all Medi-Cal beneficiaries are enrolled in some form of managed care plan currently modeled in 26 California counties.