Montana's First-Ever Psychiatry Residency Program! - An intimate training experience, with three residents per year, or a total of twelve residents across all four years. - Billings, Montana hosts two other medical residencies, including an internal medicine residency at the Billings Clinic and a family medicine residency at RiverStone Health, a local community health center. - Our purpose is to promote health and recovery among individuals with mental illnesses and substance use disorders.