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Chest pain, trouble breathing or severe bleeding?Life-threatening emergency? Call 911.

Urgent care centers and walk-in clinics in Lake Saint Louis, MO

21urgent care centers and walk-in clinics serving Lake Saint Louis. 3 list 24-hour service.

Urgent care centers and walk-in clinics in Lake Saint Louis

Showing 1–10 of 21, sorted by distance from the city center

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  • Urgent care
  • City center (distances measured from here)

Lake Saint Louis urgent care at a glance

Lake Saint Louis has 21 urgent care centers on our listings in ZIP code 63367. 3 list 24-hour hours, 3 list Sunday hours and 0 more stay open past 7 PM on at least one weekday. The closest to the city center is Digestive Disease Medical Consultants, 0.4 mi away.

  • 21urgent care centers
  • 3list 24-hour hours
  • 4list Saturday hours
  • 3list Sunday hours
  • 0open past 7 PM on a weekdaynot counting 24-hour clinics
  • 11list insurance networks
Closest to the city centerDigestive Disease Medical Consultants0.4 mi from the city center

ZIP code

  • 6336721

Counts come from the listings above and the hours each clinic publishes. Hours are not listed for 9 of the 21. Hours and networks change, so call to confirm.

Open late, weekends and 24 hours in Lake Saint Louis

Open 24 hours 3

Open on Sunday 3

From the hours each clinic lists, in the same order as the list above; the list shows which are open right now. Hours change, so call to confirm.

Insurance networks listed by Lake Saint Louis clinics

11 of the 21 urgent care centers here list at least one insurance network. These are the networks listed on our listings, drawn from insurer directories; call the clinic to confirm your plan before you go. A network missing here does not mean a clinic does not take it.

  • UMR10 of 21
  • UnitedHealthcare10 of 21
  • Aetna7 of 21
  • Humana3 of 21
  • Medicare3 of 21
  • Cigna1 of 21

Other clinics and medical services in Lake Saint Louis

9 listings that are not urgent care, such as primary care, specialists, pharmacies and hospitals. Open one for its own page.

  • 4Eye care
  • 4Medical practice
  • 1Pharmacy
Clarkson Eyecare6313 Ronald Reagan Dr, Lake St Louis, MO 63367Eye careHill Vision Services300 Medical Plaza #140, Lake St Louis, MO 63367Eye careKirks Eye Center100 Brevco Plaza #108, Lake St Louis, MO 63367Eye careWalmart Vision & Glasses6100 Ronald Reagan Dr, Lake St Louis, MO 63367Eye careDr. Brian M. Smith, MD400 Medical Plaza #200, Lake St Louis, MO 63367Medical practiceDr. David T. Walden, MD200 Brevco Plaza, Lake St Louis, MO 63367Medical practiceDr. John J. Kelly, MD200 Brevco Plaza, Lake St Louis, MO 63367Medical practiceSt Charles Clinic Medical Group: Pentella Karen MD300 Medical Plaza # 310, Lake St Louis, MO 63367Medical practiceWalmart Pharmacy6100 Ronald Reagan Dr, Lake St Louis, MO 63367Pharmacy

Urgent care vs. ER vs. primary care

General information, not specific to Lake Saint Louis: knowing where to go saves time and money. Here's how urgent care compares to a hospital ER and a primary care physician.

Urgent care

Today, when it can’t wait

Non-life-threatening illness or injury that can't wait for an appointment.

  • Flu, UTI, ear infection
  • Sprains and stitches
  • X-ray, COVID test
  • Sports physicals
Typical cost
$100–$250 self-pay; $25–$75 copay with insurance
Wait time
Usually 15–45 minutes; many offer online check-in.
Hours
Evenings and weekends; many open 7 days, some 24 hours.
Emergency room

Now, if it could be life-threatening

Life- or limb-threatening symptoms; severe pain, bleeding, breathing problems, suspected stroke or heart attack.

  • Chest pain
  • Stroke symptoms
  • Severe trauma or burns
  • Difficulty breathing
Typical cost
$1,200–$2,500+ self-pay; $150–$500+ copay with insurance
Wait time
Hours, depending on triage. Severe cases seen first.
Hours
24/7.
Primary care

In a day or two, or ongoing

Routine care, chronic conditions, ongoing health management. Schedule in advance.

  • Annual physical
  • Diabetes and blood pressure management
  • Screenings
  • Referrals
Typical cost
$100–$200 self-pay; $20–$40 copay with insurance
Wait time
Same-day availability rare; appointments often days to weeks out.
Hours
Weekday business hours, by appointment.
Chest pain, trouble breathing or severe bleeding? Call 911.

This is general information, not medical advice. Costs are typical US ranges, not quotes from any clinic listed here.

What a visit typically costs

Without insurance

Typical ranges, not quotes
  • Urgent care$100 – $250
  • Primary care$100 – $200
  • Hospital / ER$1,200 – $2,500+
$0$1,000$2,000$3,000+

With insurance (copay)

Typical ranges, not quotes
  • Urgent care$25 – $75
  • Primary care$20 – $40
  • Hospital / ER$150 – $500+
$0$200$400$600+

When to go to urgent care, and when to call 911

Urgent care is a good fit for

  • Fever
  • Sore throat
  • Urinary tract infection
  • Sprain or strain
  • Earache
  • Work / sports / school physical
  • Laceration
  • Puncture wound
  • Migraine headache
  • Sinus infection
  • Cough
  • Rash
  • Back pain
  • Car accident
  • Elevated blood pressure
  • General wellness exam

Call 911 or go to the ER for

  • Chest pain
  • Severe abdominal pain
  • Difficulty breathing or shortness of breath
  • Sudden blurred vision
  • Numbness in face, arm, or leg, especially on one side
  • Weakness on one side of the body or difficulty speaking
  • Sudden, severe headache
  • Bleeding that won't stop
  • Coughing up or vomiting blood
  • Severe burns

Do not delay treatment for a serious medical problem.

Common reasons people visit urgent care

General information: urgent care centers handle non-emergency illness, injury and routine needs, usually the same day. Services differ from clinic to clinic, so check the listing or call ahead.

Illness

  • Cold & flu symptoms
  • Strep throat
  • Sinus infection
  • Ear infection
  • Bronchitis
  • Pneumonia (mild)

Injury

  • Sprains & strains
  • Minor fractures
  • Lacerations & cuts (stitches)
  • Puncture wounds
  • Burns (minor)
  • Animal & insect bites

Diagnostics & procedures

  • X-rays (on-site)
  • EKG / ECG
  • Lab tests & bloodwork
  • STD testing
  • Pregnancy testing
  • Drug screening

Preventive & routine

  • Sports physicals
  • School & camp physicals
  • Work / DOT physicals
  • Travel vaccinations
  • Flu shots
  • Tetanus boosters

Frequently asked questions

How many urgent care centers are in Lake Saint Louis, MO?

Lake Saint Louis, MO has 21 urgent care centers listed on UCL.

Is there a 24-hour urgent care in Lake Saint Louis, MO?

Yes. 3 facilities offer 24-hour service in Lake Saint Louis. Use the "Open 24 hours" filter on the listings above to see them.

Are urgent care centers in Lake Saint Louis open on weekends?

4 of the 21 urgent care centers listed in Lake Saint Louis list Saturday hours and 3 list Sunday hours. Hours are not listed for 9, so call those to check. Holiday hours are often shorter; confirm with the clinic before a holiday visit.

Which urgent care centers in Lake Saint Louis are open late?

None of the Lake Saint Louis urgent care centers that publish hours list weekday hours past 7 PM, but 3 list 24-hour hours. Hours are not listed for 9; call to check.

Which urgent care is closest to the center of Lake Saint Louis?

Digestive Disease Medical Consultants is the listed urgent care center closest to the center of Lake Saint Louis, about 0.4 mi away. The list above shows verified clinics first, then the rest by distance from the city center.

What insurance do urgent care centers in Lake Saint Louis take?

On our listings, the networks named most often by Lake Saint Louis urgent care centers are UMR (10), UnitedHealthcare (10) and Aetna (7), with the number of clinics in brackets. 11 of the 21 list at least one network. Call the clinic to confirm it takes your plan.

Do urgent care centers in Lake Saint Louis require an appointment?

Most urgent care centers accept walk-in patients without an appointment, though some offer optional online check-in. Call the clinic or check its listing to confirm its policy.

What does urgent care cost in Lake Saint Louis, MO?

Out-of-pocket urgent care costs in MO typically range from $100–$250 for an uninsured visit, depending on services; visits that include X-rays, lab tests, or minor procedures (stitches, splints) usually run $200–$400. With insurance, the visit cost is usually a copay of $25–$75. These are typical ranges, not quotes; verify with each facility before visiting.

When should I go to urgent care vs the ER in Lake Saint Louis?

Go to urgent care for non-life-threatening illness or injury: fevers, sprains, infections, minor cuts, mild asthma, UTIs, flu, rashes. Go to the ER for chest pain, severe abdominal pain, difficulty breathing, sudden weakness or numbness, severe head injury, heavy bleeding, severe burns, or any potentially life-threatening symptom. When in doubt with a serious symptom, call 911.

Do urgent care centers in Lake Saint Louis treat children?

Most urgent care centers treat patients of all ages, including children, and some are pediatric-only; call ahead to check a clinic's minimum age. For infants under 6 months with a high fever, contact a pediatrician or the ER directly.

Can I get an X-ray, lab test, or stitches at urgent care in Lake Saint Louis?

Many urgent care centers offer on-site X-rays, basic lab tests (strep, flu, COVID, mono, UTI), IV fluids, sutures, and splints, but not all do. More advanced imaging (MRI, CT) typically requires a hospital. Call the clinic to confirm before you go.

Do urgent care centers in Lake Saint Louis prescribe antibiotics?

Yes. Urgent care providers can prescribe antibiotics for bacterial infections (strep throat, UTIs, sinus and ear infections, skin infections) when clinically appropriate. They follow CDC stewardship guidelines, so they will not prescribe antibiotics for viral illness like the common cold or most cases of bronchitis.

Can I do a telehealth visit instead of going to urgent care in Lake Saint Louis?

Some urgent care centers offer telehealth visits for non-emergency issues like cold and flu symptoms, prescription refills, rashes, or follow-up care. In-person visits are still required for X-rays, lab tests, and physical exams. Ask the clinic whether it offers telehealth.

For clinic owners

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