What type of provider are you looking for? Standard Vision Plan 20% Discount Plan LASIK Provider Pick one of the following methods: Use Google Maps PDF list for my State/Region Search by Clinic/Doctor Name Distance Report for Several Cities Pick one of the following methods: Use My Current Location — OR — Use This Address Go Select a region All ProvidersSioux EmpireBlack HillsAberdeen RegionBrookings RegionWatertown RegionMitchell RegionYankton RegionPierre RegionHuron RegionVermillion RegionMadison Region or Select a state South DakotaNorth DakotaMinnesotaNebraskaIowaMissouriKansas Search by doctor name, clinic name, or city Doctors Contact Info Use this tool to see if we have providers near each of your employees. For each of your store locations, enter City, State (Madison, SD) or Zip Code (57042) in the following boxes. Number of Doctors To List Per Zip Code 36 (standard)912153060