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Florida Department of Health in Nassau County – Callahan Clinic
STD/STI testing location in Callahan, Florida.
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: 45377 Mickler St, Callahan, FL 32011
Get directions
Phone: (904) 320-6010
Website: https://nassau.floridahealth.gov
Tests listed
- Chlamydia Test
- Conventional HIV Test
- Gonorrhea Test
- Hepatitis A Test
- Hepatitis B Test
- Hepatitis C Test
- Syphilis Test
Cost and payment
Sliding Scale, Fee, Insurance Accepted.
Hours
| Monday | 8:00am – 5:00pm |
| Thursday | 8:00am – 5:00pm |
Appointment required: Yes
Other services
STI treatment.
Languages: English
Type: Public Health Department/Social Services Department
Source: CDC NPIN listing. Last updated by source: 2026-03-17. Page built 2026-11-03.
Other testing sites nearby
MainStreet Family Care – Callahan Location
542435 US Hwy 1, Callahan, FL 32011 · (904) 507-4623
ChlamydiaGonorrheaSyphilisHerpesHIVHepatitis CHepatitis B
Sun 8:00am – 4:00pm; Mon 8:00am – 8:00pm; Tue 8:00am – 8:00pm; Wed 8:00am – 8:00pm; Thu 8:00am – 8:00pm; Fri 8:00am – 8:00pm; Sat 8:00am – 4:00pm