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Mercer County Health Department
STD/STI testing location in Princeton, Missouri.
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: 305 W Main St, Princeton, MO 64673
Get directions
Phone: (660) 748-3630
Tests listed
- Chlamydia Test
- Conventional HIV Test
- Gonorrhea Test
- Hepatitis C Test
- Syphilis Test
- TB Test
Cost and payment
Fee, Insurance Accepted.
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: Yes
Other services
STI treatment.
Languages: English
Type: Public Health Department/Social Services Department
Source: CDC NPIN listing. Last updated by source: 2026-01-12. Page built 2026-11-03.
Other testing sites nearby
Saint Lukes Mercer County Clinic
400 N Fullerton, Princeton, MO 64673 · (660) 748-4040
ChlamydiaGonorrheaSyphilisHIVHepatitis CHepatitis B
Mon 8:00am – 5:00pm; Tue 8:00am – 5:00pm; Wed 8:00am – 5:00pm; Thu 8:00am – 5:00pm; Fri 8:00am – 5:00pm