He has a special interest in gastrointestinal problems (digestive disorders). Dr. Rubin is professionally affiliated with Essentia Health St. Mary's Hospital - Superior, Essentia Health-Duluth Clinic 3rd Street Building, and Essentia Health-Hibbing Clinic. He honors Humana HMO, Humana Bronze, and Humana Catastrophic, as well as other insurance carriers. Dr. Rubin graduated from the University of Minnesota Medical School. He completed his residency training at Hennepin County Medical Center.