Mercy Urgent Care - Old Tesson

12348 Old Tesson Road
Suite 180
St. Louis, MO 63128
Fax: (314) 272-2170
Services are provided by Mercy Hospital St. Louis Learn more »
Hours of Operation:
Open daily: 8 a.m. - 8 p.m.
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Accidents and illnesses can happen anytime – even when your regular doctor may not be available. With Mercy Urgent Care in St. Louis, MO, you can walk in without an appointment and get the medical attention you need at a lower cost and with a shorter waiting time than in your local emergency room.

Use our urgent care clinic for: 

Remember: Urgent care is not a substitute for the ER. If your symptoms are life-threatening, call 911 immediately.

Mercy Urgent Care doctors are part of Mercy Clinic, a team of board-certified physicians that deliver care everywhere Mercy serves.

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Where to Go When - ER vs Urgent Care vs Convenient Care

Download our guide to help you choose the right location.

What does an urgent care treat?