Elliott Filler , MD Emergency Medicine Dr. Filler completed Medical School at the University of North Dakota in Grand Forks. His Family Practice residency was completed at Cedar Rapids Medical Education Program in Cedar Rapids, IA. Dr. Filler is certified with the American Board of Family Practice and the American Board of Bariatric Medicine. He is a member of the American Academy of Family Physicians, the South Dakota State Medical Association, and the American Society of Bariatric Physicians. Prairie Lakes Hospital 401 9th Avenue Northwest Watertown, SD 57201 605-882-7000 « back to directory P:605.882.7000 | 877.917.PLHS (7547) | info@prairielakes.com 401 9th Ave. NW Watertown, SD 57201 Privacy Policy