Description Illinois Bone & Joint Institute, LLC (IBJI) , Founded in 1991, IBJI is the largest orthopedic group practice in Illinois. With more than 150 physicians in every orthopedic specialty, IBJI offers care for adults and children from some of the most accomplished and respected orthopedists in the country. Serving northern Illinois and northwest Indiana with over 100 locations, IBJI makes it easy to access care. Our headquarters is in Park Ridge, Illinois, a northwest suburb of Chicago. O…