Tools
2026 figures
Estimate the 10% Part B surcharge for each full 12-month delay.
Read: Late Part B and Part D penalties
1 full 12-month period × 10% × $202.90
Estimated extra Part B amount: $20.29 per month ($243.48 per year), for as long as you have Part B.
Social Security sets the official penalty. This does not include IRMAA.