Medicare Pays For What Percentage Of Covered Charges? 
In short , Original Medicare -LRB- Parts A & B -RRB- pay for approximately 80 % of your healthcare expenses - Part A is your hospital insurance and Part B is your physician insurance . The deductible for Part A in 2014 is $ 1,216 - $ 147 deductible for Part B . You are responsible for the other 20 % of your health care expenses . You can cover all or some of these expenses by securing a Medicare supplement plan -LRB- a.k.a. Medigap plan -RRB- or a Medicare advantage plan . You MUST keep paying your premiums for your Original Medicare coverage under either scenario . Please note , Original Medicare does not cover prescription drugs . If you want to add prescription drug coverage , you 'll need to secure either a Medicare Advantage plan that includes drug coverage -LRB- MAPD plan -RRB- or a separate stand-alone part D prescription plan . 