Christus Health is an international Catholic, faith-based, not-for-profit health system comprising almost 350 services and facilities, including more than 60 hospitals and long-term care facilities, 175 clinics and outpatient centers and dozens of other health ministries and ventures. Its corporate headquarters are in Irving, Texas. Christus Health services can be found in 60 cities in Texas, Arkansas, Louisiana, Georgia, and New Mexico in the U.S.; also, in the Pontificia Universidad Católica de Chile Health Network in Santiago, Chile, and Chihuahua, Coahuila, Nuevo León, Puebla, San Luis Potosí, and Tamaulipas in Mexico. The system employs approximately 30,000 people and has more than 9,500 physicians on facility medical staffs who provide care and support for patients. Christus Health is listed among the top ten Catholic health systems in the U.S., and provided more than $313.5 million in total community benefit in Fiscal Year 2011, which equates to more than $858,900 a day in community benefits. The present company was formed in January 28, 1999 by the merger of Houstons Sisters of Charity Health Care System and San Antonios Incarnate Word Health System; however its history extends back to 1866, with the founding of St. Marys Hospital in Galveston, Texas, by the Sisters of Charity religious institute.