Avera seeks to heal the whole person – body, mind and spirit – in community. When you see the name Avera, you can be confiden ... t of the health care system that provides high-quality care at more than 300 locations and more than 100 communities in the five-state region. With more than 13,000 employees and physicians, Avera is South Dakota’s largest private employer. Avera is rated A1 by Moody's and AA- by Standard and Poor's. read more