The Indian Health Services Claremore Service Unit serves an Indian population of 16,450 in 11 counties in Northeastern Oklahoma. The Service Unit area is bounded on the north by the state of Kansas and on the east by the states of Missouri and Arkansas. Much of the land includes the hills of the Ozarks. The Indian Health Services Claremore Service Unit operates a 25-bed hospital and two health centers at Watonga and Concho and health stations and clinics at Canton, El Reno, Hammon, Kingfisher, Geary, and Seiling.