Up to one-third or more of individuals with serious mental illness (SMI) who are enrolled in California Medicaid (Medi-Cal) do not receive any Medi-Cal specialty mental health services. According to Medi-Cal data from 2019, about 6.3% of Medicaid beneficiaries had SMI. However, less than 4% of adult Medi-Cal beneficiaries in California received a specialty mental health service in 2019.
Across the counties, the prevalence of SMI ranges from the low of 4.1% to the high of 12.1%. The prevalence of addiction disorder ranges from 2.1% to 8%. The prevalence of serious . . .