Mehmet Oz, a celebrity heart surgeon turned talk show host and lifestyle guru, is President-elect Donald Trump’s pick to run the Centers for Medicare and Medicaid Services, the massive federal health care bureaucracy that covers more than a third of Americans.

President-elect Donald Trump Tuesday announced his nomination of Mehmet Oz, a physician and fellow TV personality, to head the CMS during a second term.

Mehmet Oz, the celebrity heart surgeon turned talk show host better known as “Dr. Oz,” has been tapped to run the Centers for Medicare and Medicaid Services.