Kenneth Johnson , MD Family Medicine Dr. Kenneth Johnson received his medical school training at the University of South Dakota School of Medicine in Vermillion, and at the University of Nebraska Medical Center in Omaha. His residency was completed at South Dakota Family Practice in Sioux Falls. Dr. Johnson is Board Certified by the American Board of Family Practice. Sanford Clinic - Watertown 901 4th St. NW Watertown, SD 57201 1-800-529-0124 or 605-886-1565 « back to directory P:605.882.7000 | 877.917.PLHS (7547) | info@prairielakes.com 401 9th Ave. NW Watertown, SD 57201 Privacy Policy