Index/Topics/Roth IRA Conversions and Medicare Premiums

Roth IRA Conversions and Medicare Premiums

The impact of converting traditional IRAs to Roth IRAs on Medicare Part B and D premiums due to increased taxable income and IRMAA surcharges.

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Jan 13, 2026
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How have IRMAA surcharges changed dollar‑for‑dollar over the past decade (total annual cost per bracket)?

Over the past decade IRMAA surcharges have trended upward, driven by annual adjustments to the Part B base premium, separate Part B and D surcharge increases, and CPI‑indexing of most thresholds — but...

Feb 2, 2026

How do Roth conversions and required minimum distributions affect the taxability of future Social Security benefits?

raise taxable income in the conversion year and therefore can temporarily increase the portion of that is taxable, while completed Roth conversions reduce future required minimum distributions and fut...

Jan 24, 2026

What legislative proposals since 2024 could change what counts toward MAGI for Medicare IRMAA?

Since 2024, the reporting reviewed does not document any concrete, enacted or pending federal legislative proposal that would explicitly redefine what counts toward Modified Adjusted Gross Income (MAG...

Jan 6, 2026

What tax planning strategies reduce Social Security taxation when doing Roth conversions?

Roth conversions can shrink the slice of retirement income that counts toward Social Security taxation by replacing future taxable IRA/401(k) withdrawals with tax-free Roth distributions, but the conv...

Jan 6, 2026

Does converting traditional IRA to Roth increase taxable income for Medicare Part B/D premiums?

Yes — converting a traditional IRA to a Roth creates a taxable event that raises that year's taxable income (MAGI), and Medicare Part B and D premiums are set based on MAGI from two years earlier, so ...