Looking for an Orthodontist in Sheboygan or Manitowoc, WI? Just Orthodontics is a top-rated ortho with over 150 years of combined experience through our experts. ... Manitowoc (920) 684-5878; Sheboygan (920) 452-5878; Payment Calculator; Patient Portal; Doctor Portal; Twitter Youtube. Patient Portal; Doctor Portal; Our Practice. About Our ....