Who Wrote The Medicare Bill? 
Congress created Medicare , a social insurance program , under the Social Security Act in 1965 to provide health insurance to individuals age 65 and up , regardless of income and medical history - later including those with disabilities who are under 65 or have end-stage renal disease . Medicare is adminsitered by the Center for Medicare and Medicaid Services -LRB- `` CMS '' for short -RRB- . 