A NEW ERA OF HEALTH BEGINS New name, new facility - same exceptional care. Astera Health Formerly Tri-County Health Care Astera Health is now open and seeing patients at 421 11th St. NW, Wadena, MN 56482 !Astera Health A NEW ERA OF HEALTH BEGINS New name , new facility - same exceptional care . Astera Health Formerly Tri - County Health Care Astera Health is now open and seeing patients at 421 11th St. NW , Wadena , MN 56482 ! Astera Health