Social Security Back Pay Can Trigger Higher Medicare Premiums via IRMAA
Receiving a lump-sum Social Security back pay can increase Modified Adjusted Gross Income (MAGI), potentially pushing retirees over the threshold for higher Medicare premiums under the Income-Related Monthly Adjustment Amount (IRMAA). For some, this results in significant annual cost increases.
Topics: Medicare (IRMAA) Retroactive Benefits Social Security Tax Implications