Irmaa Brackets 2025 Medicare Premiums. The irmaa income brackets for 2023 start at $97,000 ($103,000 in 2025) for a single person and $194,000 ($206,000 in 2025) for a married couple. Irmaa amounts increase with higher income.

Here are the irmaa income brackets for 2025, 2025, and 2026. Most other medicare part d beneficiaries earning over $103,000.