Social Security Questions? Ask a Social Security Expert
If you want to know for sure - you would need to contact the Social security Administration directly.
Please let me know if you need contact information.
Possible reduction might be because of Medicare premiums which are based on your income
See page 8 in following publication and verify what was your income
In additional - there might increase for such premiums for 2016
But again - that is possible - but we may not know for sure why there was an increase in your specific situation. but you might want to verify.
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