CHI St. Luke's Health — Baylor St. Luke's Medical Center (Houston). Opened in 1954 as St. Luke's Episcopal Hospital, Baylor St. Luke's Medical Center is equipped with 850 beds and 3,919 employees, including 1,555 registered nurses. The hospital was the first in Texas and the Southwest to earn Magnet designation for nursing excellence from the American Nurses Credentialing Center in 2001. Partnered with Houston's Baylor College of Medicine and engaged in several other academic affiliations, Baylor St. Luke's is home to groundbreaking clinical research with hundreds of patients enrolled in trials for heart, liver, cancer and neurovascular diseases, among other health conditions.