The Withdrawal You Don't Get to Skip
Traditional IRAs and 401(k)s let your money grow tax-deferred for decades — but the IRS eventually wants its taxes. Starting at your required minimum distribution (RMD) age (73 for most people retiring now, rising to 75 later this decade), you must withdraw a minimum amount from those accounts each year, calculated from your balance and life expectancy, whether or not you need the cash. The withdrawal is taxable income, and that's where it collides with Medicare.
Roth accounts are exempt from RMDs during your lifetime, which is part of why the interplay matters — the mix of account types you built over decades shapes how big this bill gets.
How RMDs Raise Your Medicare Premium
Medicare's IRMAA surcharge adds to your Part B and Part D premiums once your income crosses certain thresholds — and RMDs count toward that income. A large required withdrawal can push a retiree over an IRMAA bracket they'd otherwise have stayed under, raising their Medicare premiums for a full year. Because IRMAA uses your tax return from two years prior, a big RMD this year can raise your premiums two years down the road, which catches people off guard. Our IRMAA guide breaks down the brackets and the two-year lookback.
The frustrating part is the involuntariness: you might not even want the money, but the IRS requires the withdrawal, the withdrawal raises your income, and the income raises your Medicare premium. Left unplanned, it's a chain reaction that quietly costs you.
Ways to Soften the Hit
This is exactly the kind of problem that rewards planning in the years before RMDs begin. Common strategies include:
- Roth conversions in lower-income years (often between retirement and RMD age) to shrink the traditional balance that RMDs are calculated from
- Qualified Charitable Distributions — giving RMD money directly to charity, which satisfies the RMD without adding to your taxable income
- Coordinating withdrawals across account types to smooth income and avoid jumping an IRMAA bracket in any single year
- Timing large one-time withdrawals carefully, since a single big year can trigger IRMAA two years later
Planning It as One Picture
RMDs, taxes, Social Security timing, and Medicare premiums are all threads of the same retirement-income tapestry — pull one and the others move. The people who handle this well start thinking about it in their 60s, before RMDs force the issue, so they have room to use the strategies above. Once the RMDs start, options narrow.
We're insurance and Medicare advisors, not tax preparers — so on the tax mechanics we'll point you to work with your CPA — but we help clients see how their Medicare premiums, annuity income, and Social Security timing fit together, so the Medicare side doesn't get blindsided by the tax side. If you're approaching RMD age, a coordinated look is worth the time.
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