Communicable Diseases

The Health Department works to prevent and control illness in the community by investigation of communicable diseases.


Sexually Transmitted Disease & HIV Testing & Counseling Clinics

These clinics are free and confidential.



Hamilton Township Health Department


2100 Greenwood Avenue
Hamilton, NJ
Phone: 609-890-3647 
Walk-ins are available!

Hours: Tuesday from 9am-12pm and 3pm-5:30pm. 

For this clinic, please bring a photo ID or proof of address with you. You must live in one of the following towns.

Hamilton, Lawrence, East Windsor, Ewing, Robbinsville, Hightstown, Princeton, West Windsor, and Hopewell Township.
*Students residing on the campuses of Rider University or TCNJ will receive services free of charge with college ID. 

When visiting, face masks are required! 


Trenton Health Department


218 North Broad Street
Trenton, NJ 08618
Phone: 609-989-3242
Hours
Monday, Wednesday, and Friday
8:30 until 11 a.m. and 1:15 to 3 p.m.

The clinic provides confidential screenings for sexually transmitted diseases. You'll only need to bring documents of your residency within Mercer County to access these services that are no charge. Quick and prompt is delivered by the professional staff. Referrals provided. Confidential HIV counseling and testing is also provided in that results are provided within 15 minutes using the latest technology. Appointments are preferred but Walk-ins are accepted.  

Trenton Health Department also provides (Tuberculosis) TB testing and case management services, referrals are required. Call 609-989-3242 for times and appointments.


Henry J. Austin Medical Infection Disease Center


601 Hamilton Avenue
Trenton, NJ
Phone: 609-278-5900
Provides HIV testing for county residents. Call 609-599-5263 for times and appointments.