The SSA deducts Medicare Part A and B premiums directly from Social Security benefits. (Few people have to pay a premium for Part A.) You can choose to enroll in Medicare Part D, which covers prescription drugs. This can also be deducted from your Social Security benefits, if you wish....
24 About 68% of Medicare Part B enrollees had their Part B premiums withheld from their Social Security benefit payments in 2021. (See CRS Report R40082, Medicare Part B: Enrollment and Premiums.) The share of non-LIS enrollees in Part D drug plans who had their Part D premiums withheld...
Part C, Medicare Advantage, expands beneficiaries’ options for participation in private-sector health care plans. Coverage and cost vary by plan. Part C receives funding from the HI and SMI trust funds and beneficiary premiums. Part D, Prescription Coverage, became effective on January 1, 2006....