No Appointment? No Problem. Quick access to healthcare is important for you and your family. When you need an appointment, long waits can be frustrating. Quick access is available to our Missouri State University community. Broken bones, sprains, and strains… Mercy is ready with walk-in care for sudden injuries, days, nights, and Saturdays. Mercy ortho experts are on hand … [Read more...] about Walk-In Orthopedic Care available at Mercy: including Saturday hours.