Medicare IRMAA is a determination formula used to define your Medicare Part B and Part D premium.
Medicare and Social Security review your earnings from prior tax returns and determines if you should pay a surcharge to your Part B and D premiums. High income individuals could pay an additional $66 for Part D and up to $230 more for Part B in 2013.
Medicare and Social Security review your earnings from prior tax returns and determines if you should pay a surcharge to your Part B and D premiums. High income individuals could pay an additional $66 for Part D and up to $230 more for Part B in 2013.