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

US Healthworks: Kasow Mark MD

3200 Inland Empire Blvd # 100, Ontario, CA 91764

Call (909) 945-5011
Directions
  • Open weekdays 7 AM to 6 PM, closed weekends
  • Insurance not listed
  • 4.0 mi from the center of Ontario
Open in Maps

Hours

  • Mon7 AMto6 PM
  • Tue7 AMto6 PM
  • Wed7 AMto6 PM
  • Thu7 AMto6 PM
  • Fri7 AMto6 PM
  • SatClosed
  • SunClosed

Hours can change on holidays; call to confirm.

Insurance

Insurance not listed

We don't have plan information for this clinic. Have your card ready and ask when you call.

About US Healthworks: Kasow Mark MD

US Healthworks: Kasow Mark MD is an urgent care center at 3200 Inland Empire Blvd # 100, Ontario, CA 91764. It is about 4.0 miles from the center of Ontario, and the nearest other city we list is Rancho Cucamonga, 2.6 miles away. Its listed hours: open weekdays 7 AM to 6 PM, closed weekends. We do not have insurance information for it yet.

At a glance

Care level
Urgent care
Open 24 hours
No
Days open
5 days (weekdays)
Insurance networks listed
Not listed
Phone
(909) 945-5011
To the center of Ontario
4.0 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 US Healthworks: Kasow Mark MD 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) 945-5011 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 US Healthworks: Kasow Mark MD 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 Ontario

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Questions

US Healthworks: Kasow Mark MD is located at 3200 Inland Empire Blvd # 100, Ontario, CA 91764.

Nearby cities

The information on this page is general information, not medical advice. Please verify hours, insurance and services directly with US Healthworks: Kasow Mark MD before visiting. In a medical emergency, call 911.

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