The Stealth Tax That Costs High-Income Retirees Thousands Every Year

Core Insights - Higher retirement income can lead to unexpected costs due to income-related monthly adjustment amounts (IRMAAs) on Medicare premiums [3][4][5] Group 1: Impact of Higher Income on Medicare Costs - Medicare Part B premiums increase for higher earners, with IRMAAs adding up to $487 monthly, resulting in total costs nearing $700 per month for Part B [4][8] - IRMAAs affect only an estimated 8% of Medicare enrollees, but they can be a significant financial surprise for higher-income retirees [5] Group 2: Strategies to Mitigate IRMAAs - Retirees can avoid IRMAAs by strategically timing gains in taxable accounts and offsetting large gains with losses [6][8] - Conducting Roth conversions before retirement can help, as Roth withdrawals do not count as taxable income for IRMAA calculations [7][8]