Christus Health to Build New Global Headquarters in Las Colinas The health system's new 400,000 square-foot campus is slated for completion in 2023. By Will Maddox Published in Healthcare Business February 12, 2021 2:24 pm International health system Christus Health is moving its home base from one Irving location to another. Its new 400,000-square-foot headquarters will be built at N. O’Connor and W. Las Colinas boulevards on 4.2 acres it acquired from State Bank of Texas. The North Texas-based system does not have any facilities in the region, but has more than 600 locations in Texas, Louisiana, New Mexico, Mexico, Colombia, Chile, and and other markets. It employs 15,000 physicians that run community hospitals, urgent care centers, health insurance companies, and physician clinics.