Notes WALK-IN AND SCHEDULED APPOINTMENTS ARE AVAILABLE Monday-Friday 9:00 A.M. - 6:00 P.M. Patients will be seen by Melissa Thoene, PA-C. She will be available to see patients for urgent orthopedic needs such as sprains, fractures or injections with access to the surgeons at Orthopedic Institute. Melissa Thoene, PA-C 1101 S. Broadway · Yankton, SD · 605-665-0077 28vYankton and Vermillion Area Health & Medical Directory 2017-2018