Introduction. Do you want to join an organization that invests in you as a(an) EVS Associate PRN. At St. Mark's Hospital, you come first. HCA Healthcare has committed up to $300 million in programs to support our incredible team members over the course of three years. Benefits. St. Mark's Hospital, offers a total rewards package that supports the health, life, career and retirement of our colleagues. The available plans and programs include. Comp...