My $85k 401(k) Withdrawal Raised My Medicare Premiums. Will It Stay That Way?

The adjustments to your Part B and Part D premiums are called IRMAAs (Income-Related Monthly Adjustment Amount). In all cases, the IRMAA increases your Medicare premium by a specific amount based on your household income. This increase applies for the entire year.Medicare Part D mainly covers prescription medicine. For most households, it requires a monthly premium. The exact amount varies based on the Medicare Part D plan you choose, but you might also have an adjustment based on your household income.Medi ...