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Fairfax County Health Department – Joseph Willard Health Center
STD/STI testing location in Fairfax, Virginia.
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: 3750 Blenheim Blvd, Fairfax, VA 22030
Get directions
Phone: (703) 246-7100
Website: https://www.fairfaxcounty.gov/health/clinics/joseph-willard-health-cen
Tests listed
- Chlamydia Test
- Conventional HIV Test
- Gonorrhea Test
- Herpes Test
- Syphilis Test
- TB Test
Cost and payment
Free Mpox Vaccine, Medicaid Accepted, Sliding Scale, Fee, Free STI Test.
This location lists free STI and/or HIV testing. Eligibility rules may apply.
Hours
| Monday | 8:00am – 4:30pm |
| Tuesday | 8:00am – 4:30pm |
| Wednesday | 8:00am – 4:30pm |
| Thursday | 8:00am – 4:30pm |
| Friday | 8:00am – 4:30pm |
Appointment required: No (walk-ins may be accepted)
Other services
STI treatment, PrEP (HIV prevention medicine).
Languages: English
Type: Public Health Department/Social Services Department
Source: CDC NPIN listing. Last updated by source: 2026-07-27. Page built 2026-11-03.