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24 Hour Urgent Care in St. Charles, MO

St. Charles is a historic riverfront city and one of the fastest-growing counties in the greater St. Louis region, served by SSM Health St. Joseph Hospital and BJC HealthCare with urgent care locations along Zumbehl Road, Harry Truman Boulevard, and First Capitol Drive. The city's booming residential growth, expanding business parks, and role as the primary commercial hub for St. Charles County's large population make it a high-traffic urgent care market.

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3.7 avg Google rating10 of 10 clinics rated✓ Medicaid & Medicare accepted at most locations
⚠️Always call ahead to verify hours and availability. Clinic information on this site may be outdated or inaccurate. Do not rely solely on this listing — confirm directly with the clinic before visiting. For medical emergencies, call 911.
ℹ️Insurance & Medicaid: Most urgent care centers accept Medicaid, Medicare, and major PPO/HMO plans. Coverage varies by location — call ahead to confirm your specific plan is accepted before your visit.

SSM Health Urgent Care – St. CharlesOpen Now

★★☆☆☆2.3(108 reviews)Google reviews ↗
Address: 3990 Elm St, St. Charles, MO 63301
Hours: Mon–Fri 8am–8pm, Sat–Sun 9am–5pm
Insurance accepted: Most major insurance, Medicare, Medicaid
Services:
Urgent careLab testingX-rayVirtual care
Map showing location of SSM Health Urgent Care – St. Charles

BJC Medical Group Urgent Care – St. CharlesOpen Now

★★★☆☆3.3(104 reviews)Google reviews ↗
Address: 1 Boone's Lick Rd, St. Charles, MO 63301
Hours: Mon–Fri 8am–8pm, Sat–Sun 9am–5pm
Website: bjc.org
Map showing location of BJC Medical Group Urgent Care – St. Charles

AFC Urgent Care – St. CharlesOpen Now

★★★½3.9(392 reviews)Google reviews ↗
Address: 2051 Zumbehl Rd, St. Charles, MO 63303
Hours: Mon–Fri 8am–8pm, Sat–Sun 9am–5pm
Insurance accepted: Aetna, BCBS, Cigna, UnitedHealthcare, Humana, Medicare, Medicaid
Without insurance: $100–$175 typical visit (varies by location)
Ages served: All ages
✓ Online check-in✓ Telehealth available
Services:
Urgent careOccupational healthDOT physicalsDrug testingX-rayLab testingTelehealth
Map showing location of AFC Urgent Care – St. Charles

NextCare Urgent Care – St. CharlesOpen Now

★★★★½4.8(2,559 reviews)Google reviews ↗
Address: 3801 Harry S Truman Blvd, St. Charles, MO 63301
Hours: Mon–Fri 8am–8pm, Sat–Sun 9am–5pm
Insurance accepted: Aetna, BCBS, Cigna, UnitedHealthcare, Humana, Medicare, Medicaid
Without insurance: $100–$200 typical visit; $65 virtual visit; discount program $39/visit
Ages served: All ages
✓ Online check-in✓ Telehealth available
Services:
Urgent carePhysicalsX-rayLab testingTelehealthSports medicine
Map showing location of NextCare Urgent Care – St. Charles

Concentra Urgent Care – St. CharlesOpen Now

★★★★4.3(1,109 reviews)Google reviews ↗
Address: 1900 First Capitol Dr, St. Charles, MO 63301
Hours: Mon–Fri 7am–6pm, Sat 8am–12pm
Website: concentra.com
Insurance accepted: Most major insurance, Workers' comp, Medicare
Ages served: 2 and older
✓ Online check-in
Services:
Occupational healthWorkers' compDOT physicalsDrug & alcohol testingUrgent careX-rayPhysical therapy
Map showing location of Concentra Urgent Care – St. Charles

MedExpress Urgent Care – St. CharlesOpen Now

★★☆☆☆2.3(108 reviews)Google reviews ↗
Address: 2800 Veterans Memorial Pkwy, St. Charles, MO 63303
Hours: Mon–Fri 8am–8pm, Sat–Sun 9am–5pm
Insurance accepted: Aetna, BCBS, Cigna, UnitedHealthcare, Humana, Medicare, Medicaid
✓ Online check-in
Services:
Urgent careEmployer health servicesX-rayLab testing
Map showing location of MedExpress Urgent Care – St. Charles

GoHealth Urgent Care – St. CharlesOpen Now

★★★★4.1(218 reviews)Google reviews ↗
Address: 4200 Mid Rivers Mall Dr, St. Charles, MO 63304
Hours: Mon–Fri 8am–8pm, Sat–Sun 9am–5pm
Insurance accepted: Aetna, BCBS, Cigna, UnitedHealthcare, Humana, Medicare, Medicaid
Ages served: All ages
✓ Online check-in✓ Telehealth available
Services:
Urgent careVirtual careX-rayEKGLab testingOccupational health
Map showing location of GoHealth Urgent Care – St. Charles

FastMed Urgent Care – St. CharlesOpen Now

★★★★½4.8(2,559 reviews)Google reviews ↗
Address: 1100 Cave Springs Blvd, St. Charles, MO 63303
Hours: Mon–Fri 8am–8pm, Sat–Sun 9am–5pm
Insurance accepted: Aetna, BCBS, Cigna, Humana, Medcost, Medicare, Medicaid, TRICARE
Without insurance: ~$199 base visit (varies by service)
Ages served: All ages
✓ Online check-in✓ Telehealth available
Services:
Urgent careOccupational healthSports physicalsVaccinationsX-rayLab testing
Map showing location of FastMed Urgent Care – St. Charles

SSM Health Express Care – St. CharlesOpen Now

★★☆☆☆2.3(108 reviews)Google reviews ↗
Address: 900 Jungermann Rd, St. Charles, MO 63303
Hours: Mon–Sun 8am–8pm
Map showing location of SSM Health Express Care – St. Charles

St. Charles Clinic Urgent CareOpen Now

★★★★½4.8(1,119 reviews)Google reviews ↗
Address: 3400 Elm St, St. Charles, MO 63301
Hours: Mon–Sun 8am–8pm
Map showing location of St. Charles Clinic Urgent Care

What to Expect at Urgent Care in St. Charles, MO

Typical Cost
$100–$200
Without insurance for a basic exam. X-rays, labs, or stitches add to the total. Many clinics post self-pay rates online.
Average Wait
15–45 min
Weekday mornings tend to be the shortest. Use online check-in where available to hold your spot before you arrive.
What to Bring
ID & Insurance Card
Photo ID, insurance card, and a list of current medications and known allergies. Most clinics also accept walk-ins without prior paperwork.
When to Go to the ER
Chest pain, stroke signs, or major trauma
Urgent care is for non-life-threatening conditions only. For emergencies, call 911 or go directly to the nearest emergency room.

Urgent Care in St. Charles, MO — Frequently Asked Questions

Is urgent care open on weekends in St. Charles, MO?

Yes — most urgent care centers in St. Charles, MO are open on Saturdays and Sundays, typically from 8am to 8pm. Some locations have reduced Sunday hours, so check the listings above for exact weekend hours at each clinic.

Do I need an appointment for urgent care in St. Charles, MO?

No appointment is needed at most St. Charles, MO urgent care centers. Walk-ins are welcome at all locations listed above. Some clinics offer online check-in so you can hold your spot before you arrive and reduce your wait time.

How much does urgent care cost in St. Charles, MO?

A typical urgent care visit in St. Charles, MO costs between $100 and $200 without insurance for a basic exam. Additional services such as X-rays, lab tests, or stitches will increase the total. Most clinics will provide a cost estimate when you call, and many post self-pay rates on their website.

Does urgent care in St. Charles, MO accept Medicaid?

Yes — most urgent care centers in St. Charles, MO accept Medicaid along with Medicare and major commercial insurance plans. Federal law requires Medicaid to cover urgent care for emergency and necessary medical conditions. Call the clinic ahead to confirm your specific Medicaid plan is accepted and that the location is in-network before your visit.

Does urgent care in St. Charles, MO accept insurance?

Most urgent care centers in St. Charles, MO accept major insurance plans including commercial insurance, Medicare, and Medicaid. Coverage and copays vary by plan and location, so call ahead to confirm your insurance is accepted before your visit.

What is the wait time at urgent care in St. Charles, MO?

Average wait times at St. Charles, MO urgent care centers are typically 15 to 45 minutes, though this varies by location and time of day. Early morning visits and weekday mornings tend to have the shortest waits. Using online check-in where available can also reduce your time in the waiting room.

What can urgent care treat in St. Charles, MO?

St. Charles, MO urgent care centers treat a wide range of non-life-threatening conditions including colds, flu, infections, minor injuries, rashes, UTIs, and more. Many locations also provide X-rays, lab work, and vaccinations. For chest pain, difficulty breathing, or other emergencies, go to the nearest ER or call 911.

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