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Medicare Modernization Act (MMA) IRS Medicare Part B

Published by Social Security Administration | Social Security Administration | Metadata Last Checked: August 09, 2025 | Last Modified: R/P1W
SSA will use data received from the IRS to determine whether or not a beneficiary's income will result in a higher premium being paid for their Medicare Part B coverage. The data received from the IRS includes tax filing status, Modified Adjusted Gross Income (MAGI), any Life Changing Events, amended tax returns, and IRS corrections to a tax return.

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