 Has the president been treated for Parkinson's? No. Is he being treated for Parkinson's? No, he's not. Is he taking medication for Parkinson's? No. John Pierre also says President Biden's doctors have concluded a cognitive test is not necessary. Fox's Jared Halpern at the White House. A source tells Fox News the president is set to meet virtually with members of the Congressional Black Caucus this evening. The caucus chair issued a statement earlier today backing the president in his reelection bid.