This report analyzes the Medicare healthcare program, a federal health insurance initiative for senior adults, younger adults with disabilities, and individuals with End-Stage Renal Disease (ESRD). It details the program's four parts (A-D), associated costs, and projected outcomes, which include improved access to quality healthcare and enhanced quality of life and life expectancy for the target population. The report emphasizes the pivotal role of nurses in both the design and implementation phases of the program, highlighting their input in strategic planning, policy development, and patient care management. It also outlines the composition of a healthcare team, including nurses, doctors, and patients, and explains the significance of each member in ensuring the program's effectiveness. The report concludes by differentiating between the administrative and patient-centered roles of nurses in the program's lifecycle.