This Act may be cited as the Medicare Protection Act of 2025.

Section 1839(i)(4)(A) of the Social Security Act (42 U.S.C. 1395r(i)(4)(A)U.S. Code — Title 42, Section 1395r(i)(4)(A)View official source on GovInfo) is amended— (1) in clause (i), by striking and at the end; (2) in clause (ii), by striking the period at the end and inserting; and; and (3) by inserting after clause (ii) the following new clause: (iii) with respect to months in a year beginning on or after January 1, 2025, not including any amount of such adjusted gross income derived from the sale of the principal residence (within the meaning of section 121 of the Internal Revenue Code of 1986) of an individual, unless the sale of a principal residence of such individual has previously been excluded from the term modified adjusted gross income with respect to such individual under this clause..