Additional Medicare Tax Rate 2024 Neet. There is a flat medicare surtax of 3.8% on net investment income for married couples who earn more than $250,000 of adjusted gross. You've aced a challenging exam, and now it's time to secure your dream medical seat.

1.45% for the employer and 1.45% for the employee or 2.9% total.  — the 2024 medicare tax rate remains at 1.45% for both employees and employers totaling 2.9%, as it was in 2023.