After attending the University of Minnesota Medical School, he completed his residency training at a hospital affiliated with the University of Minnesota. Dr. Sellman takes Humana HMO, Humana Bronze, Humana Catastrophic, and more. He has received the following distinction: Mpls.St.Paul Magazine Top Doctors. His hospital/clinic affiliations include HealthPartners Specialty Center, Regions Hospital, and HealthPartners Riverside Clinic.