Dr. Mehmet Oz will stand before the Senate Finance Committee for his confirmation hearing to be administrator of the Centers for Medicare and Medicaid Services on Friday. TRACKING WHAT DOGE IS DOING ACROSS THE FEDERAL GOVERNMENT Democrats are expected to question Oz about his tax filings.

Dr. Mehmet Oz, Trump's pick to lead the Centers for Medicare and Medicaid Services, faced tough questions at his confirmation hearing from the Senate Finance Committee.

Dr. Oz appeared before Senate committee for confirmation as leader of U.S. Centers for Medicare and Medicaid Services. What is his background?