Home › Missouri › O'Fallon › Total Access Urgent Care
Total Access Urgent Care – O'Fallon South Urgent Care
STD/STI testing location in O'Fallon, 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: 4201 Hwy K, O'Fallon, MO 63368
Get directions
Phone: (636) 294-8540
Tests listed
- Chlamydia Test
- Gonorrhea Test
- Hepatitis B Test
- Herpes Test
- Rapid HIV Test
- Syphilis Test
Cost and payment
Medicaid Accepted, Medicare Accepted, Fee, Insurance Accepted.
Hours
| Monday | 8:00am – 8:00pm |
| Tuesday | 8:00am – 8:00pm |
| Wednesday | 8:00am – 8:00pm |
| Thursday | 8:00am – 8:00pm |
| Friday | 8:00am – 8:00pm |
| Saturday | 8:00am – 8:00pm |
| Sunday | 8:00am – 8:00pm |
Appointment required: No (walk-ins may be accepted)
Other services
STI treatment.
Languages: English
Type: Clinic
Source: CDC NPIN listing. Last updated by source: 2026-04-07. Page built 2026-11-03.
Other testing sites nearby
Mercy-GoHealth Urgent Care – O'Fallon
2991 State Hwy K, O'Fallon, MO 63368 · (636) 435-2333
ChlamydiaGonorrheaHerpesHepatitis CHepatitis B
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 9:00am – 5:00pm; Sun 9:00am – 5:00pm
Mercy – Mercy Clinic Primary Care Winghaven
2223 Technology Dr, Ste 40, O'fallon, MO 63368 · (636) 755-4400
Sliding scaleChlamydiaGonorrheaSyphilisHerpesHIVRapid HIVHepatitis 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
Mercy – Mercy Clinic Primary Care
300 Winding Woods Dr, Ste 214, O'fallon, MO 63366 · (636) 614-3280
Sliding scaleChlamydiaGonorrheaSyphilisHerpesHIVRapid HIVHepatitis CHepatitis B
Mon 8:00am – 4:30pm; Tue 8:00am – 4:30pm; Wed 8:00am – 4:30pm; Thu 8:00am – 4:30pm; Fri 8:00am – 4:30pm
Total Access Urgent Care – O'Fallon North Urgent Care
502 S Main St, O'Fallon, MO 63366 · (636) 409-1132
ChlamydiaGonorrheaSyphilisHerpesHIVRapid HIVHepatitis B
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 – 8:00pm; Sun 8:00am – 8:00pm