2025 Medicare Premiums Income Limits Chart. Medicare part b premiums and irmaa for. In 2025, the standard monthly premium for medicare part b will be $185, an increase of $10.30 from the 2024 amount.
The standard part b premium increased $10.30/month from $174.70/month in 2024 to $185/month in 2025. The irmaa is based on your modified adjusted gross income.