Information in this record reflects the version accessed December 12, 2012: "Literature review current through: Nov 2012. | This topic last updated: Jun 6, 2012."
Summary: This topic reviews Medicare. Medicare is a United States publicly funded federal health insurance plan for the elderly and disabled that covers about 45 million Americans. People contribute to Medicare by payroll taxes paid during their years of employment. These funds are held in the Hospital Insurance Trust fund and are administered by the Centers for Medicare and Medicaid Services (CMS).