Premiums for high-income beneficiaries who are married and lived with their spouse at any time during the taxable year but file a separate return, are as follows:
Sources: KFF – Changes to Medicare Part D in 2024 and 2025 Under the Inflation Reduction Act and How… April 20, 2023
CMS.gov 2023 Medicare Parts A & B Premiums and Deductibles –October 12, 2023