IRMAA
Income-Related Monthly Adjustment Amount: higher Part B and Part D premiums for beneficiaries with high modified adjusted gross income, based on tax returns from two years prior.
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Practice This Concept
Which statement correctly describes Medicare Part B premiums?
The monthly premium is the same for all beneficiaries, with higher-income beneficiaries paying an additional income-related adjustment — Part B is not free — every beneficiary pays a monthly premium. Most beneficiaries pay the standard Part B premium, but those with higher modified adjusted gross income pay an Income-Related Monthly Adjustment Amount (IRMAA) on top of the base premium, so their total Part B premium is higher. The premium is not health-based and is not ordinarily paid by employers; it is usually deducted from the beneficiary's Social Security benefit or billed directly. The income-linked premium structure is a distinctive Part B fact that the exam likes to test against the free-coverage misconception.
National insurance concept
Which statement about the Medicare Part B monthly premium is correct?
Higher-income beneficiaries pay a higher monthly premium than other beneficiaries — The standard Medicare Part B monthly premium applies to most beneficiaries, but higher-income beneficiaries pay an income-related monthly adjustment amount (IRMAA) on top of the standard premium. The additional amount is based on modified adjusted gross income from two years earlier and increases with income tiers. This income-based surcharge was added to the Medicare law to ask higher-income beneficiaries to pay a greater share of Part B costs. Beneficiaries with limited incomes may qualify for state programs that help pay the premium, but the general rule is that the premium rises with income.
National insurance concept
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