Medical

Bay Area Community Health (BACH) https://bach.health/home
Health services via clinics in Alameda/Santa Clara counties

Berkeley Free Clinic http://berkeleyfreeclinic.org/
Free medical, dental, and peer counseling since 1969

Clinic by the Bay http://clinicbythebay.org/
Free volunteer-driven primary care for uninsured adults

Native American Health Center https://www.nativehealth.org/
Multi-site primary, behavioral, dental care with cultural focus

Mabuhay Health Center / Bay Area Free Clinic http://mabuhayhealthcenter.org/
Primary care for low-income, uninsured adults

Order of Malta Clinic (Northern CA) http://orderofmaltaclinic.com/
Preventive and specialized care for uninsured

RotaCare Bay Area http://rotacarebayarea.org/
Free urgent and primary care clinics

Samaritan House (San Mateo) http://samaritanhousesanmateo.org/ 
Free medical/dental clinics

San Francisco Community Health Center http://sfcommunityhealth.org/
Integrated health and wellness services

San Francisco Free Clinic http://sffc.org/
Care for uninsured patients facing healthcare disparities

San Francisco City Clinic https://www.sfcityclinic.org/
Public STI testing and sexual health services

United For Health http://unitedforhealth.org/
Mobile acupuncture and wellness clinics