Urgent Care Springfield: Sunshine & National Address 1819 S. National Ave Springfield, MO 65804 location Get Directions Phone: 417-269-2700 Hours 8:30 a.m. – 8 p.m. DailyNo appointments needed.Holiday hours may vary. About CoxHealth Urgent Care at Sunshine and National in Springfield, Missouri is staffed by board-certified physicians, nurse practitioners and specially trained support staff. Urgent care provides you with care for conditions and injuries that are non-life-threatening. With advanced laboratories and diagnostic imaging technology, there's no need to go from place to place to complete your care. If a higher level of care is needed, immediate transport is available. Save My SpotSpend less time waiting in line when you're feeling under the weather. With Save My Spot, you can fill out a simple form and wait from the comfort of your home. Save your spot now.