 Johnson City serves as a regional medical center for northeast Tennessee and southwest Virginia, along with parts of western North Carolina and southeastern Kentucky.The Johnson City Medical Center, designated a Level 1 Trauma Center by the State of Tennessee, is one of Ballad Health's three tertiary hospitals.Also affiliated with the center are the Niswonger Children's Hospital, a domestic affiliate of St. Jude Children's Research Hospital and Woodridge Hospital, a mental health and chemical dependency facility.