- Give us a call today at 605-332-1962. Dr. Allen Unruh and the staff at A. Unruh Chiropractic Clinic are passionate about providing their patients with the best quality care possible. The team specializes in whiplash injury, chiropractic care, and sciatic nerve pain. Our office is a comfortable and caring environment in order to diagnose and treat specific patients’ needs. The office serves the surrounding towns of West Sioux, Brandon, and Sioux Falls, SD.