Description 20K sign on bonus for the full-time RN Night Shift Cornerstone Specialty Hospitals Broken Arrow, located on the 3rd floor of Ascension St. John is a long-term acute care (LTAC) hospital specializing in the treatment of patients recovering from post-intensive care and medically complex conditions. Our hospital provides both intensive care and telemetry-level services, offering advanced monitoring and support for patients requiring extended medical care.