Under managed care and capitated reimbursement systems, case management is a core strategy for providing high-quality, cost-effective care by decreasing fragmentation, enhancing quality, ensuring efficient use of resources, and containing costs. Although case management is used in various areas of the healthcare arena, it suffers from a lack of consensus regarding its definition, essential components, and appropriate application. The purpose of this paper is to examine the components and limitations of existing case management models, outline the competencies of an effective case manager, and present a model of advanced practice nursing case management that focuses on a continuum of care that Integrates medical and psychosocial resources to promote optimal clinical fiscal outcomes and enables patients to work as partners with the healthcare team in facilitating and maintaining their physical and emotional well-being.