Central California Alliance for Health
Mariposa, Merced, Monterey, San Benito, Santa Cruz counties
Partnership Health Plan
Solano, Napa, Yolo, Sonoma, Marin, Mendocino, Del Norte, Humboldt, Lake, Lassen, Modoc, Shasta, Siskiyou, Trinity, Butte, Colusa, Glenn, Nevada, Placer, Plumas, Sierra, Sutter, Tehama, Yuba counties