Patrick Retterath , MD Pain Management Dr. Retterath completed medical school at the University of North Dakota School of Medicine in Grand Forks, ND. His advanced training was fulfilled at the University of North Dakota Hospitals in Fargo. His residency was completed at Loyola University and Northwestern University in Chicago, Illinois. Dr. Retterath is board certified by the American Board of Anesthesia. He currently practices outpatient chronic pain control. Innovative Pain & Procedural Center 1512 4th Street Northeast Watertown, SD 57201 605-884-0100 « back to directory P:605.882.7000 | 877.917.PLHS (7547) | info@prairielakes.com 401 9th Ave. NW Watertown, SD 57201 Privacy Policy