Urgent care centers and walk-in clinics in San Marcos, TX

San Marcos, TX has 11 urgent care centers listed on UCL.

Yes. 4 facilities offer 24-hour service in San Marcos. Use the "Open 24 hours" filter on the listings above to see them.

8 of the 11 urgent care centers listed in San Marcos list Saturday hours and 6 list Sunday hours. Hours are not listed for 1, so call it to check. Holiday hours are often shorter; confirm with the clinic before a holiday visit.

2 centers list weekday hours past 7 PM, and 4 list 24-hour hours. They are named in the "Open late, weekends and 24 hours" lists on this page. Hours change, so call before a late visit.

Wellmed Medical Management Inc is the listed urgent care center closest to the center of San Marcos, about 0.1 mi away. The list above shows verified clinics first, then the rest by distance from the city center.

On our listings, the networks named most often by San Marcos urgent care centers are Aetna (4), Cigna (3) and BCBS Texas (2), with the number of clinics in brackets. 6 of the 11 list at least one network. Call the clinic to confirm it takes your plan.

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.

Out-of-pocket urgent care costs in TX 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.

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.

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.

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.

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.

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.