Medicare Surcharges Can Linger After Commission Income Falls

Medicare sets income-related premium surcharges using tax returns from two years earlier, so a high 2024 income can determine 2026 costs even if earnings fall later. A 67-year-old commissioned salesman whose income dropped by $80,000 could not appeal because a slow market is not one of the eight SSA-44 qualifying events. The article says reducing MAGI before Dec. 31 of a high-income year through moves such as 401(k) deferrals or deferred stock sales can lower future surcharges.
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Medicare’s IRMAA calculation uses a two-year delay: 2024 tax data sets 2026 premiums, 2025 sets 2027, and 2026 sets 2028. MAGI adds tax-exempt interest to adjusted gross income, so municipal bond interest can lift a household into a costlier tier. About 8% of beneficiaries pay such surcharges.
For couples