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Cerro Gordo County Department of Public Health
STD/STI testing location in Mason City, Iowa.
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: 2570 4th St SW, Ste 1, Mason City, IA 50401
Get directions
Phone: (641) 421-9300
Website: https://cghealth.com/
Tests listed
- Chlamydia Test
- Conventional HIV Test
- Gonorrhea Test
- Hepatitis B Test
- Hepatitis C Test
- Herpes Test
- Rapid HIV Test
- Syphilis Test
- TB Test
Cost and payment
Free Mpox Vaccine, No Fee, Free STI Test, Free HIV Test, Free Hepatitis C Test, Free Hepatitis B Test.
This location lists free STI and/or HIV testing. Eligibility rules may apply.
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, PrEP (HIV prevention medicine).
Languages: English, Interpretation Services Available for Non-English Languages, Spanish
Type: Public Health Department/Social Services Department
Source: CDC NPIN listing. Last updated by source: 2026-02-18. Page built 2026-11-03.