What is “FED MED/ER” listed on my paycheck? FED MED/ER is the employer’s portion of Medicare tax. This tax is paid by the university on an employee’s behalf, and it does not come out of your pay. Related articles: What is “FED MED/EE” listed on my paycheck? Updated on February 7, 2022 Tagged: FED MED/ERMedicare Tax Was this article helpful? Yes No Cant’t find what you are looking for?Sends us a messageContact the KB Team