Dan Reiffenberger , MD Family Medicine Dr. Dan Reiffenberger received medical school training at the University of South Dakota Medical School in Sioux Falls. He completed his internship and residency at Sioux Falls Family Practice Center in Sioux Falls. Dr. Reiffenberger is board certified by the American Board of Family Practice and is certified in Sports Medicine. Brown Clinic, P.L.L.P. 506 First Avenue Southeast Watertown, South Dakota 57201 (605) 886-8041 or 1-888-886-8482 « back to directory P:605.882.7000 | 877.917.PLHS (7547) | info@prairielakes.com 401 9th Ave. NW Watertown, SD 57201 Privacy Policy