Mercy Urgent Care - O'Fallon

300 Winding Woods Drive
Suite 100
O Fallon, MO 63366
Fax: (636) 379-4328
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 O'Fallon, 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 urgent care for: 

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

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?

Our Providers

Brandy Lee Askins, NP, Mercy
Family Medicine
Mercy Clinic
Stephanie Diane Bauerle, DO, Mercy
Internal Medicine
Mercy Clinic
Randi Hasselfeld Becker, MD, Mercy
Family Medicine
Mercy Clinic
Offers:
E-Visits
Pamela Latarsha Buchanan, MD, Mercy
Family Medicine
Mercy Clinic
Offers:
E-Visits, Schedule Online
Ann Marie Byrd, NP, Mercy
Emergency Medicine
Mercy Clinic
Divya Kushwaha Chauhan, MD, Mercy
Family Medicine
Mercy Clinic
LaTasha L. Cunningham, NP, Mercy
Urgent Care
Mercy Clinic
Mary B. Ernst, NP, Mercy
Urgent Care
Mercy Clinic
Christina Antoinette Garretto, DO, Mercy
Urgent Care
Mercy Clinic
Stephanie Lynne Gram, FNP, Mercy
Urgent Care
Mercy Clinic
Jeffrey J. Hallazgo, MD, Mercy
Internal Medicine
Mercy Clinic
Amy Elizabeth Hensley, FNP, Mercy
Family Medicine
Mercy Clinic
Sarah Ruth Jackson, FNP, Mercy
Urgent Care
Mercy Clinic
Alywin E. Kluttz, MD, Mercy
Family Medicine, Emergency Medicine
Mercy Clinic
Chereka Shantae Kluttz, DO, Mercy
Family Medicine
Mercy Clinic
Edward J. Kunst, MD, Mercy
Internal Medicine, Urgent Care
Mercy Clinic
Stephanie Erica Liebmann, MD, Mercy
Family Medicine
Mercy Clinic
Behrad Majidi, MD, Mercy
Internal Medicine
Mercy Clinic
Stephanie Dawn Nellesen, FNP, Mercy
Family Medicine
Mercy Clinic
O'Hara Lyn Norman, FNP, Mercy
Family Medicine
Mercy Clinic
Offers:
Schedule Online
Adam P. Pasternak, DO, Mercy
Family Medicine, Sports Medicine
Mercy Clinic
Amanda Marie Poindexter, FNP, Mercy
Urgent Care
Mercy Clinic
Melissa Kay Stein, DO, Mercy
Family Medicine, Urgent Care
Mercy Clinic
Ashalatha R. Tatineny, MD, Mercy
Emergency Medicine
Mercy Clinic
Linda Kay Therkildsen, DO, Mercy
Family Medicine
Mercy Clinic
Victoria Gayle Thompson, FNP, Mercy
Urgent Care
Mercy Clinic
Jennifer Marie Walk, NP, Mercy
Urgent Care
Mercy Clinic
Heather Carolyn Williamson, DO, Mercy
Family Medicine, Occupational Medicine
Mercy Clinic
Linda R. Winterberger, DO, Mercy
Family Medicine
Mercy Clinic
Krista D. Woelfel, FNP, Mercy
Urgent Care
Mercy Clinic
Evelyn Weatherford Young, MD, Mercy
Urgent Care
Mercy Clinic
Renee J. Zesch, FNP, Mercy
Urgent Care
Mercy Clinic