2025 Irmma Thresholds For 2025 Magi Income. For 2025, you’ll find several distinct income brackets that determine your irmaa surcharge. In 2025, irmaa surcharges begin at a modified.
Farmers and other taxpayers who are on medicare are subject to increased premiums if their modified adjusted gross income (magi) is over certain thresholds. In accordance with medicare’s 2025 guidelines, you’ll need to watch specific income thresholds that trigger irmaa surcharges.