How Do I Get Medicare Part A And B? 
To get Medicare Part A and B , most people have paid into Medicare through taxes for at least 40 quarters -LRB- 10 years -RRB- over the course of their working lives . They are either automatically enrolled on their 65th birthday , if they are receiving Social Security at that time . Or they enroll themselves in the 3 months before or after their 65th birthday . Others get Medicare Part A and B for being disabled for 2 years or having end stage renal disease or ALS . 