Dr. Mehmet Oz, the celebrity physician and former Republican U.S. Senate candidate nominated by President Donald Trump to oversee Medicare and Medicaid, is expected to field questions on Friday on industry ties that could create conflicts of interest.

One of the world's most famous doctors and TV personalities could soon run the U.S. Centers for Medicare and Medicaid Services.

Dr. Mehmet Oz, Donald Trump’s nominee to lead the Center for Medicare and Medicaid Services, declined to commit to opposing cuts to Medicaid, a government program that provides health care coverage to millions of Americans and that Republicans are eyeing for steep cuts.