County-Based Medi-Cal Administrative Activities (MAA) Mimi Hall, Interim Health Services Agency (HSA) Director for the County of Santa Cruz, presented on Medi-Cal Administrative Activities (MAA). MAA is a federal program authorized by centers for Medicaid and Medicare. To participate at the California state level, the state Department of Health Care Services (DHCS) contracts with local health jurisdictions, such as the HSA. Unfortunately, because the MAA program is optional f