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Johns Hopkins Medicine – Harriet Lane Clinic
STD/STI testing location in Baltimore, Maryland.
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: 200 N Wolfe St, Baltimore, MD 21287
Get directions
Phone: (410) 955-5710
Website: https://www.hopkinsmedicine.org/johns-hopkins-childrens-center/what-we
Tests listed
- Chlamydia Test
- Conventional HIV Test
- Gonorrhea Test
- Hepatitis A Test
- Hepatitis B Test
- Hepatitis C Test
- Herpes Test
- Rapid HIV Test
- Syphilis Test
- TB Test
Cost and payment
Medicaid Accepted, Sliding Scale, PrEP for uninsured, Fee, Insurance Accepted, Free STI Test, Free HIV Test.
This location lists free STI and/or HIV testing. Eligibility rules may apply.
Hours
Hours not listed. Call before visiting.
Appointment required: Yes
Other services
STI treatment, PrEP (HIV prevention medicine).
Languages: American Sign Language, English, Interpretation Services Available for Non-English Languages, Spanish
Type: Clinic, Hospital
Source: CDC NPIN listing. Last updated by source: 2025-12-17. Page built 2026-11-03.