Medicare Part B Premiums 2025 Income Limits For Single Person. Medicare part b premiums and irmaa for. Medicare part b is essential for medical coverage, and its standard monthly premium in 2025 is $185.00.

The annual deductible for part b will increase to $257 in 2025, up from $240 in 2024. The standard part b premium increased $10.30/month from $174.70/month in 2024 to $185/month in 2025.