WASHINGTON — President-elect Donald Trump on Tuesday tapped Dr. Mehmet Oz, a former television talk show host and heart surgeon, to head the agency that oversees health insurance programs for millions of older, poor and disabled Americans. Trump also selected Wall Street executive Howard Lutnick to lead the Commerce Department as he fills out his Cabinet.

President-elect Donald Trump on Tuesday tapped Dr. Mehmet Oz, a former television talk show host and heart surgeon, to head the agency that oversees health insurance programs for millions.