 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. Jean-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.