Oz has made his preference known for privatized Medicare, which could substantially disrupt the current system.

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.

"Not since the Wizard of Oz himself has there been a bigger fraud than this guy," said Brad Woodhouse, executive director of Protect Our Care, a Washington-based nonprofit focused on expanding access to quality healthcare,

President-elect Donald Trump has picked Dr. Mehmet Oz to serve as the administrator for the Centers for Medicare and Medicaid Services, a key federal agency that oversees health insurance coverage for more than 150 million Americans.

Oz used his TikTok page on multiple occasions in November to praise Trump and Robert F. Kennedy Jr., including their efforts to take on the “illness-industrial complex,” and he slammed “so-called experts like the big medical societies” for dishing out what he called bad nutritional advice.

Dr. Mehmet Oz could hold millions of dollars in investments in companies regulated by the federal agency Donald Trump has tapped him to lead. During his failed Senate run in 2022, the former talk show host reported tens of millions of dollars in investments in health care,

Dr. Oz holds a plethora of investments in healthcare, pharmaceutical, health insurance and health research companies

Dr. Mehmet Oz — who Donald Trump nominated last week to lead the Centers for Medicare and Medicaid Services (CMS — holds "stake in UnitedHealth Group worth as much as $600,000, as well as shares of pharmaceutical firms and tech companies with business in the healthcare sector,