Urgent Care Open Now in San Mateo, CA
San Mateo is the San Francisco Peninsula's largest county city between San Francisco and Silicon Valley, served by Kaiser Permanente San Mateo and Mills-Peninsula Medical Center (Sutter) with urgent care clinics along El Camino Real, Third Avenue, and 25th Avenue. The dense commuter and tech workforce along the Caltrain corridor drives demand for convenient same-day walk-in care with digital check-in.
Filter clinics:
⚠️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 Clinic information on this site may be outdated or inaccurate.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: Most urgent care centers accept major PPO/HMO plans, Medicare, and Medicaid. Coverage varies — call the clinic directly to confirm your plan is accepted before your visit.
AFC Urgent Care – San Mateo
Address: 30 S Delaware St, San Mateo, CA 94401
Phone: (650) 342-2273
Hours: Mon–Fri 8am–8pm, Sat–Sun 9am–5pm
Website: sutterhealth.org
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
Stanford Medicine Urgent Care – San Mateo
Address: 1700 S El Camino Real, San Mateo, CA 94402
Phone: (650) 521-5000
Hours: Mon–Fri 8am–8pm, Sat–Sun 9am–5pm
Website: sutterhealth.org
Concentra Urgent Care – San Mateo
Address: 101 S Ellsworth Ave, San Mateo, CA 94401
Phone: (650) 342-7246
Hours: Mon–Fri 7am–7pm, Sat 8am–12pm
Website: sutterhealth.org
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
GoHealth Urgent Care – San Mateo
Address: 1820 S El Camino Real, San Mateo, CA 94402
Phone: (650) 342-9000
Hours: Mon–Sun 8am–8pm
Website: sutterhealth.org
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
FastMed Urgent Care – San Mateo
Address: 3405 Alameda de las Pulgas, San Mateo, CA 94403
Phone: (650) 342-3627
Hours: Mon–Sun 8am–8pm
Website: sutterhealth.org
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
NextCare Urgent Care – San Mateo
Address: 1900 S El Camino Real, San Mateo, CA 94402
Phone: (650) 342-9100
Hours: Mon–Sun 8am–8pm
Website: sutterhealth.org
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
MedExpress Urgent Care – San Mateo
Address: 50 S Delaware St, San Mateo, CA 94401
Phone: (650) 342-6333
Hours: Mon–Fri 8am–8pm, Sat–Sun 8am–4pm
Website: sutterhealth.org
Insurance accepted: Aetna, BCBS, Cigna, UnitedHealthcare, Humana, Medicare, Medicaid
Services:
Urgent careEmployer health servicesX-rayLab testing
Carbon Health Urgent Care – San Mateo
Address: 1600 S El Camino Real, San Mateo, CA 94402
Phone: (650) 342-8400
Hours: Mon–Sun 8am–8pm
Website: carbonhealth.com
Sutter Urgent Care – San Mateo
Address: 2900 S El Camino Real, San Mateo, CA 94403
Phone: (650) 696-4600
Hours: Mon–Sun 8am–8pm
Website: sutterhealth.org
Insurance accepted: Most major insurance, Medicare, Medicaid
Services:
Urgent careLab testingX-raySpecialist referrals
San Mateo Urgent Care Walk-In Clinic
Address: 200 S Delaware St, San Mateo, CA 94401
Phone: (650) 342-5555
Hours: Mon–Fri 8am–6pm, Sat 9am–3pm
Website: sutterhealth.org
What to Expect at Urgent Care in San Mateo, CA
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 San Mateo, CA — Frequently Asked Questions
Is urgent care open on weekends in San Mateo, CA?
Yes — most urgent care centers in San Mateo, CA 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 San Mateo, CA?
No appointment is needed at most San Mateo, CA 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 San Mateo, CA?
A typical urgent care visit in San Mateo, CA 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 San Mateo, CA accept insurance?
Most urgent care centers in San Mateo, CA 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 San Mateo, CA?
Average wait times at San Mateo, CA 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 San Mateo, CA?
San Mateo, CA 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.
Urgent Care Guides & Resources
ER vs. Urgent Care — Which Should You Choose?How Much Does Urgent Care Cost?Walk-In vs. Appointment — What to KnowUrgent Care for Flu & ColdUrgent Care for Strep ThroatUrgent Care for UTIsUrgent Care for Pink EyeUrgent Care for Ear InfectionsUrgent Care for Cuts & StitchesUrgent Care for Sprained AnklesUrgent Care for Fever in ChildrenDOT Physicals at Urgent CareSTD Testing at Urgent CareIV Hydration TherapyPediatric Urgent Care for KidsSports Injury & Orthopedic CareOccupational Health & Drug Testing
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