There are four coverage phases, and your drug prescription costs can vary in each phase.
he cost of your Medicare Part D-covered drugs may change throughout the year. If you notice that your drug prices have changed, it may be because you are in a different phase of Part D coverage. There are four different phases—or periods—of Part D coverage: the deductible period, the initial coverage period, the coverage gap, and catastrophic coverage. As you spend money on your covered drugs, you…
