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Cascade City-County Health Department
STD/STI testing location in Great Falls, Montana.
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: 115 4th St S, Great Falls, MT 59401
Get directions
Phone: (406) 454-6950
Website: https://www.cascadecountymt.gov/174/City-County-Health-Department
Tests listed
- Chlamydia Test
- Gonorrhea Test
- Hepatitis A Test
- Hepatitis B Test
- Hepatitis C Test
- Rapid HIV Test
- Syphilis Test
- TB Test
Cost and payment
Medicaid Accepted, Sliding Scale, Fee, Insurance Accepted, Free HIV Test, Free Hepatitis C Test.
This location lists free STI and/or HIV testing. Eligibility rules may apply.
Hours
| Monday | 8:00am – 5:00pm |
| Tuesday | 8:00am – 5:00pm |
| Wednesday | 8:00am – 5:00pm |
| Thursday | 8:00am – 5:00pm |
| Friday | 8:00am – 5:00pm |
Appointment required: No (walk-ins may be accepted)
Other services
STI treatment, PrEP (HIV prevention medicine).
Languages: English, Interpretation Services Available for Non-English Languages
Type: Public Health Department/Social Services Department
Source: CDC NPIN listing. Last updated by source: 2025-12-12. Page built 2026-11-03.