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Mazzoni Center – Washington West
STD/STI testing location in Philadelphia, Pennsylvania.
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: 1201 Locust St, Philadelphia, PA 19107
Get directions
Phone: (215) 985-9206
Website: https://www.mazzonicenter.org
Tests listed
- Chlamydia Test
- Conventional HIV Test
- Gonorrhea Test
- HIV Self-Test
- Hepatitis B Test
- Hepatitis C Test
- Herpes Test
- Rapid HIV Test
- Syphilis Test
Cost and payment
Free Mpox Vaccine, Medicaid Accepted, Sliding Scale, PrEP for uninsured, Fee, Insurance Accepted, Free STI Test, Free HIV Test, Free HIV Self-Test.
This location lists free STI and/or HIV testing. Eligibility rules may apply.
Hours
| Monday | 10:00am – 6:00pm |
| Tuesday | 10:00am – 8:00pm |
| Wednesday | 10:00am – 8:00pm |
| Thursday | 10:00am – 6:00pm |
| Friday | 10:00am – 6:00pm |
| Saturday | 10:00am – 6:00pm |
Appointment required: Yes
Other services
STI treatment, PrEP (HIV prevention medicine).
Languages: English, Interpretation Services Available for Non-English Languages
Type: Community Based Organization
Source: CDC NPIN listing. Last updated by source: 2026-04-29. Page built 2026-11-03.