Before 2006, Medicare did not cover prescription medications. There was a limited number of medications that were offered under Medicare Part Band,  and otherwise, you had to pay for your medications out of pocket. In 2003, everything had changed when President George W. Bush passed the Medicare Prescription Drug, Improvement, and Modernization Act (MMA). This is what we now know of as  Medicare Part D , an optional part of Medicare that provides prescription drug coverage. Part D plans are run by private insurance companies and not by the government. However, the federal government sets guidelines on what basic medications are covered and how much you can be charged.  A deductible is the amount of money you spend out of pocket before your prescription drug benefits begin. Your plan may or may not have a deductible. The maximum deductible a plan can charge for 2020 is set at $435. It has increased by  $20 from 2019...