Description Southwest Catholic Health Network (SCHN), which does business as Mercy Care Plan, is a not-for-profit provider of managed health care services in Arizona. The Mercy Care Plan provides these services under a contract with the Arizona Health Care Cost Containment System, the state of Arizona's Medicaid program. The plan provides health coverage and prescription drug benefits to some 300,000 members. The company is affiliated with St. Joseph's Hospital & Medical Center (which is part of Catholic Healthcare West) and Carondelet Health Network. The plan is administered by health care management firm Schaller Anderson.