Johnston County, Oklahoma. Johnston County is a county located in the U.S. state of Oklahoma. As of the 2010 census, the population was 10,957. Its county seat is Tishomingo. It was established at statehood on November 16, 1907 and named for Douglas H. Johnston, a governor of the Chickasaw Nation. Johnston County is part of the Texoma Region.
Texas Health Physicians Group is a group practice with 219 locations. Currently, Texas Health Physicians Group's 720 physicians cover 56 specialty areas of medicine.
Regal Medical Group (RMG) With a network spanning more than 5,000 square miles and thousands of health care providers, Regal Medical Group is part of one of Southern California's largest managed health networks. That size works to your advantage, allowing us to be there to coordinate all of your health care, when and where you need us.