What Do I Need To Join Medicare? 
If you have paid into Medicare through payroll taxes for 40 quarters and are drawing on Social Security at age 65 , you will automatically be enrolled in Medicare . If you are younger and wanting to join Medicare , you do so by paying Medicare taxes . They are charged for self employed , employees , and government workers , so simply working at a legitimate job will get you on the road to receiving Medicare when you are age 65 + . 