Client (MFS) has wages of $143,000 and MAGI of $149,000. Paid into medicare taxes but it is requiring additional medicare tax? Is this correct?

[TaxGuyBill · Accepted solution]

Probably.

If the employer did not withhold the extra tax, yes, because the Additional Medicare Tax for MFS starts at $125,000.

https://www.irs.gov/pub/irs-pdf/f8959.pdf