Medicare Financing and Benefit Review Commission Act - Establishes the Medicare Financing and Benefit Review Commission to study the benefit structure and financial problems of the Medicare program (title XVIII of the Social Security Act) and make recommendations to the President and the Congress, within 270 days after the commencement of such study, for changes which would ensure the adequacy and solvency of such program. Authorizes appropriations for the Commission. Terminates the Commission 30 days after transmittal of its report to the President and the Congress.