Located on the first floor of the hospital, the Emergency Department at Saint Mary’s Hospital in Rhinelander provides specialized care for serious conditions or concerns. Emergency Care For non-urgent care when the Walk-In Clinic is closed or any time cardiac, respiratory, complex lacerations, orthopedic injuries, multiple trauma, substance abuse, mental health and abdominal pain problems occur, visit Emergency Care. Open 24 hours a day, seven days a week. Board certified emergency medicine physicians and on-call specialists are on staff.