MADISON ANIMAL CLINIC. LLC Dr. Bill Ouverson 231 S. Highland Ave. | PO Box 2 Madison, SD 605-256-3547 www.madisonanimalclinicllc.com MADISON ANIMAL CLINIC . LLC Dr. Bill Ouverson 231 S. Highland Ave. | PO Box 2 Madison , SD 605-256-3547 www.madisonanimalclinicllc.com