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Chest pain, trouble breathing or severe bleeding?Life-threatening emergency? Call 911.
Urgent careHours listed · see hours

Sierra San Antonio Medical Plaza

16465 Sierra Lakes Pkwy, Fontana, CA 92336

Call (909) 434-1150
Directions
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Hours

  • Mon9 AMto8 PM
  • Tue9 AMto8 PM
  • Wed9 AMto8 PM
  • Thu9 AMto8 PM
  • Fri9 AMto8 PM
  • Sat9 AMto5 PM
  • Sun9 AMto5 PM

Hours can change on holidays; call to confirm.

Insurance

3 insurance networks list this location.

  • UnitedHealthcare12 plans
  • Aetna3 plans
  • UMR2 plans
Plan names listed (17)
UnitedHealthcare
  • Charter EPO
  • Choice EPO
  • Choice HMO
  • Choice Plus POS
  • Core EPO
  • Core POS
  • Doctors Plan EPO
  • Navigate EPO
  • NEXUSACO OA EPO
  • NEXUSACO OA POS
  • Select EPO
  • Select Plus POS
Aetna
  • Aetna Health Inc. - Georgia
  • Aetna Health Inc. - New Jersey
  • Aetna Health Inc. - PA
UMR
  • Choice Plus POS
  • Select Plus POS

Call to confirm your plan. Networks change and the clinic has the final word.

About Sierra San Antonio Medical Plaza

Sierra San Antonio Medical Plaza is an urgent care center at 16465 Sierra Lakes Pkwy, Fontana, CA 92336. It is about 3.2 miles from the center of Fontana, and the nearest other city we list is Rialto, 4.8 miles away. Its listed hours: open weekdays 9 AM to 8 PM and weekends 9 AM to 5 PM. It is listed with 3 insurance networks, including UnitedHealthcare, Aetna and UMR.

At a glance

Care level
Urgent care
Open 24 hours
No
Days open
7 days a week
Insurance networks listed
3
Phone
(909) 434-1150
To the center of Fontana
3.2 mi

If it’s an emergency

Call 911 for chest pain, trouble breathing, signs of a stroke, severe bleeding or a serious injury. Urgent care centers are not emergency rooms.

Call 911

What urgent care centers usually treat

General information, not medical advice. Services vary; call Sierra San Antonio Medical Plaza to ask what it offers.

  • Fever and flu
  • Cuts and stitches
  • Sprains and X-rays
  • Sore throat and strep
  • Urinary tract infections
  • Rashes and allergic reactions
  • Ear infections
  • Vaccines and physicals
  • COVID and flu tests
  • Work and DOT physicals

Before you go

General checklist.

  • A photo ID
  • Your insurance card, if you have one
  • A list of your medicines and allergies
  • A way to pay a copay or the visit
  • Call (909) 434-1150 to confirm today’s hours and that your plan is accepted
  • Most urgent care centers take walk-ins, and some also offer online check-in; ask when you call

Cost at a glance

Typical US ranges, not quotes. Ask Sierra San Antonio Medical Plaza for its prices when you call.

  • Urgent care visit, self-pay$100–$250
  • Urgent care copay with insurance$25–$75
  • Emergency room visit, self-pay$1,200–$2,500+

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Other urgent care centers in Fontana

See urgent care in Fontana

Questions

Sierra San Antonio Medical Plaza is located at 16465 Sierra Lakes Pkwy, Fontana, CA 92336.

Nearby cities

The information on this page is general information, not medical advice. Please verify hours, insurance and services directly with Sierra San Antonio Medical Plaza before visiting. In a medical emergency, call 911.

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