According to the Centers for Medicare & Medicaid Services (CMS), the standard monthly premium for Medicare Part B enrollees will be $174.70 for 2024, which is an increase of $9.80 from $164.90 in 2023. The annual deductible for all Medicare Part B beneficiaries will be $240 in 2024, which is an increase of $14 from the annual deductible of $226 in 2023.