Dr. Kassing is especially interested in gynecologic surgery. His professional affiliations include Essentia Health-Duluth Clinic 3rd Street Building, Essentia Health-Duluth (Miller-Dwan Building), and Essentia Health St. Mary's-Superior Clinic. He attended medical school at the University of Minnesota Medical School. For his professional training, Dr. Kassing completed a residency program at a hospital affiliated with the University of Minnesota. Dr. Kassing honors Humana HMO, Humana Bronze, and Humana Catastrophic, in addition to other insurance carriers.