If your income in 2011 was
File individual tax return File joint return tax return You pay in 2013 for Part B You pay in 2013 for Part D
$85,000 or less $170,000 or less $104.90  
above $85,000 up to $107,000 above $170,000 up to $214,000 $146.90 $11.60 + Plan premium
above $107,000 up to $160,000 above $214,000 up to $320,000 $209.80 $29.90 + Plan premium
above $160,000 up to $214,000 above $320,000 up to $428,000 $272.70 $48.30 + Plan premium
above $214,000 above $428,000 $335.70 $66.60 + Plan premium

The payments are per month. For those filing jointly the amount indicated is per person. These data are presented as convenience for our members. Please note that ARF strongly recommends that for definitive data and advice, you consult your financial advisor or the appropriate US Goverment documents such as:

https://secure.ssa.gov/poms.nsf/lnx/0601101020