This program is optional, but if you don't enroll in a Medicare Part D plan when you're first eligible, you may face a penalty if you decide to enroll later.
Medicare Part D plans cover a wide range of prescription drugs, including:
Medicare Part D plans have monthly premiums, deductibles, and copayments. The costs can vary depending on your chosen plan, the drugs you take, and the pharmacy you use.
The government provides some financial assistance to those who have limited incomes and resources through the Low-Income Subsidy (LIS) program. If you qualify for LIS, you may pay lower premiums, deductibles, and copayments.