Operation Access coordinates donated specialty health care for low-income, uninsured people, including culturally responsive case management and interpretative services. In 2023, referrals were received from over 100 community health centers, and services were provided by approximately 1,000 medical volunteers, 100 medical groups, and 80 hospitals and ambulatory care centers. In 2023, the organization provided 1,892 surgical procedures and diagnostic services to residents of Alameda, Butte, Contra Costa, El Dorado, Humboldt, Lake, Madera, Marin, Mendocino, Merced, Monterey, Napa, Placer, Sacramento, San Francisco, San Joaquin, San Mateo, Santa Clara, Shasta, Solano, Sonoma, Stanislaus, and Yolo counties, and contracted with another nonprofit to serve residents of these and Colusa, Sutter, Yuba counties.