What Happened to Mehmet Oz?

Mehmet Cengiz Oz was born on June 11, 1960, in Cleveland, Ohio, to Turkish immigrants. He pursued a distinguished academic and medical career, graduating from Harvard University with a B.A. in biology in 1982, and subsequently earning both an M.D. from the University of Pennsylvania School of Medicine and an M.B.A. from the Wharton School in 1986. A dual citizen of the U.S. and Turkey, Oz completed mandatory military training in the Turkish Army during the 1980s. He became a highly respected cardiothoracic surgeon, a professor of surgery at Columbia University, and co-founded the Cardiac Complementary Care Center, focusing on integrating alternative medicine with traditional cardiac care.

Oz gained national prominence through his extensive appearances as a health expert on "The Oprah Winfrey Show," beginning in 2004. This exposure led to the launch of his own syndicated daytime television program, "The Dr. Oz Show," which premiered on September 14, 2009. The show ran for 13 seasons, winning multiple Daytime Emmy Awards for its focus on health, wellness, and medical information. However, "The Dr. Oz Show" also drew significant criticism from medical professionals and publications for promoting pseudoscience, unproven medical treatments, and inviting controversial guests, leading to concerns about the accuracy of some health claims presented on his platform.

In November 2021, Oz announced his pivot into politics, declaring his candidacy as a Republican for the U.S. Senate seat in Pennsylvania. To focus on his campaign, "The Dr. Oz Show" aired its final episode on January 14, 2022. He secured the Republican nomination after a close primary, receiving a highly sought-after endorsement from former President Donald Trump. The general election was one of the most competitive and contentious of the 2022 midterms, characterized by intense social media feuding and debates. Oz ultimately lost the election to Democratic nominee John Fetterman on November 8, 2022.

Following the 2024 presidential election, President-elect Donald Trump nominated Mehmet Oz to serve as the Administrator of the Centers for Medicare & Medicaid Services (CMS) on November 19, 2024. This nomination sparked renewed debate, with some critics raising concerns about his past promotion of alternative medicine and his substantial financial holdings in various healthcare companies. During his Senate confirmation process in February 2025, Oz pledged to divest from these healthcare-related investments to avoid potential conflicts of interest.

The U.S. Senate confirmed Oz's nomination on April 3, 2025, in a 53–45 party-line vote, and he officially assumed office as the 17th Administrator of CMS on April 8, 2025. In this significant governmental role, Oz oversees federal healthcare programs that cover over 160 million Americans. As of April 2026, he has been actively involved in initiatives to combat healthcare fraud, notably announcing the revocation of Medicare access for a Los Angeles doctor implicated in a $71 million hospice billing fraud scheme. However, his administration also faced scrutiny in April 2026 for acknowledging a significant error in figures used to justify a Medicaid fraud probe in New York.