St. John Health System is a fully-integrated healthcare system, serving more than 3,500 patients every day, encompassing eight hospitals in northeastern Oklahoma and southern Kansas. The health system also includes primary and specialty physician clinics, outpatient treatment centers, urgent care facilities and a regional medical laboratory. St. John Health System is part of Ascension Health, the ...nation's largest not-for-profit Catholic health system. Our promise of medical excellence and compassionate care is at the center of our Catholic mission as we serve the sick and needy in our communities. The mission of St. John Health System is to continue the healing ministry of Jesus Christ by providing high quality healthcare. Our Core Values are Service of the Poor, Reverence, Integrity, Wisdom, Creativity and Dedication. These values are expressed every day in our actions with patients, families and co-workers.