About Form 8959, Additional Medicare Tax

 

Use this form to figure:

  • the amount of additional Medicare tax you owe and
  • the amount of additional Medicare tax withheld by your employer, if any.

Current Revision

Recent developments

None at this time.

Other items you may find useful

Related

About Form 1040, U.S. Individual Income Tax Return
About Form 1040-NR, U.S. Nonresident Alien Income Tax Return
About Form 1040-SS, U.S. Self-Employment Tax Return (Including the Additional Child Tax Credit for Bona Fide Residents of Puerto Rico)
Page Last Reviewed or Updated: 29-Apr-2025