Tishomingo health services, INC. Operates a 48 BED acute care hospital located in IUKA, mississippi called north mississippi medical center-IUKA (NMMC-IUKA). NMMC-IUKA is part of the north mississippi health services (NMHS) organization. The mission of NMHS is to continuously improve the health of the people of our region. NMMC-IUKA works to achieve this corporate mission to improve the health of the people of this region by providing conveniently accessible, cost-effective health care of the highest quality.