Medicare 2025 Part B Premium Increase. The standard monthly premium for medicare part b enrollees will be $185.00 for 2025, an increase. The standard monthly premium for medicare part b enrollees is increasing next year to $185, an increase of $10.30, or just less than 6%, from $174.70 in 2024, the cms.

Learn more about medicare changes in 2025 and what you may have to pay. Each year, the medicare part b premium, deductible, and coinsurance rates are determined according to provisions of the social security act.