Avera St. Mary's is sponsored by the Benedictine and Presentation Sisters. Avera is a regional partnership of health professionals who share support services to maintain excellent care at more than 300 locations in eastern South Dakota and surrounding states.\\Mission - Avera is a health ministry rooted in the Gospel. Our mission is to make a positive impact in the lives and health of persons and communities by providing quality services guided by Christian values.\\Vision - Working with its partners, Avera shall provide a quality, cost-effective health ministry, which reflects Gospel values. We shall improve the health care of the people we serve through a regionally integrated network of persons and institutions.