Walk-in orthopedic urgent care services are offered Monday through Friday at our locations in O'Fallon, Missouri ( 8 am - 7 pm) beginning 11/30/20, St. Peters, Missouri ( 8 am - 4 pm) and Wentzville, Missouri ( 8 am - 4 pm) 10/1 - 10/31 - 8 am -4 pm and 11/1 and forward - 8 am - 7 pm. Our board-certified and fellowship-trained orthopedic ....