Dr. Mehmet Oz, a former celebrity TV host and Republican U.S. Senate candidate in Pennsylvania, poses for a portrait outside a polling location during the primary election in Rockledge, Pennsylvania, May 17, 2022. Hannah Beier | Reuters President-elect Donald Trump on Tuesday said he would nominate Dr. Mehmet Oz — celebrity TV host and former U.S. Senate candidate — as Centers for Medicare & Medicaid Services administrator. CMS operates or