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San Francisco Health Network – Castro-Mission Health Center
STD/STI testing location in San Francisco, California.
Verify with the clinic before visiting. Hours, services, fees and appointment rules change. Call ahead to confirm. This directory is for information only and is not medical advice. In an emergency, call 911.
Address: 3850 17th St, San Francisco, CA 94114
Get directions
Phone: (628) 217-5700
Website: https://www.sf.gov/location/castro-mission-health-center
Tests listed
- Chlamydia Test
- Conventional HIV Test
- Gonorrhea Test
- Herpes Test
- Syphilis Test
- TB Test
Cost and payment
Sliding Scale, PrEP for uninsured, Medicare Accepted, Fee, Insurance Accepted.
Hours
| Monday | 8:10am – 4:30pm |
| Tuesday | 8:10am – 4:30pm |
| Wednesday | 10:10am – 4:30pm |
| Thursday | 8:10am – 4:30pm |
| Friday | 8:10am – 4:30pm |
| Saturday | 8:10am – 4:30pm |
Appointment required: Yes
Other services
STI treatment, PrEP (HIV prevention medicine).
Languages: Chinese, English, Spanish, Tagalog, Vietnamese
Type: Public Health Department/Social Services Department
Source: CDC NPIN listing. Last updated by source: 2026-09-11. Page built 2026-11-03.