Medicare Open Enrollment 2024 Part B Deductible. Annual deductibles for medicare part b will go up to $257 in 2025 — a $17 increase from the $240 annual deductible for 2024. What is medicare part b?.

Part b enrollees must cover all costs until they meet this deductible; Each year, the medicare part b premium, deductible, and coinsurance rates are determined according to provisions of the social security act.