Cox Medical Center South Emergency & Trauma Center Address 3801 S. National Ave. Springfield, MO 65807 location Get Directions Phone: 417-269-4083 Hours 24 hours a day, 7 days a week About At Cox Medical Center South, you'll find a full service Emergency Department and Level 1 Trauma Center. A patient drop-off area is on the west side of the ED. You may drop off a patient and then park in the adjacent parking garage.This ED has been designated a Level I Trauma Center status by the Missouri Department of Health and Senior Services. Level I is the highest rank available.