Medicare Deductible For 2025. On november 8, 2025, cms released. The 2025 part b annual deductible is $257 before.
The annual deductible for part b will increase to $257 in 2025, up from $240 in 2025. In 2025, the part b deductible is $240 but will rise by $17 to $257 in 2025.