How Much Will I Pay In Medicare? 
Medicare Part A is free to most people , although you will pay co-pays for hospital stays . For the first 1-60 days of hospitalization in a benefit period , the cost is only $ 1,184 in 2013 . Most people pay a premium of $ 104.90 / mo for Part B . The Part B deductible is $ 147/year . There are also monthly charges for Medicare supplement plans that vary by the plan and the company offering it . 