What Happened to Mehmet Cengiz Oz?
Dr. Mehmet Oz transitioned from a highly successful career as a celebrity cardiothoracic surgeon and Emmy-winning television host to a prominent figure in conservative politics. After an unsuccessful bid for a U.S. Senate seat in Pennsylvania in 2022, he was appointed by President Donald Trump in 2024 to serve as the Administrator for the Centers for Medicare & Medicaid Services (CMS), a role he assumed in April 2025 and continues to hold as of April 2026.
Quick Answer
Dr. Mehmet Oz is currently serving as the 17th Administrator for the Centers for Medicare & Medicaid Services (CMS) under President Donald Trump, a position he assumed in April 2025. Prior to this, he was widely known as the host of the Emmy-winning 'The Dr. Oz Show,' which concluded in January 2022 when he launched an unsuccessful campaign for a U.S. Senate seat in Pennsylvania as a Republican. In his current role, he is actively involved in shaping U.S. healthcare policy, focusing on areas like fraud reduction, rural health transformation, and the integration of artificial intelligence in healthcare.
📊Key Facts
📅Complete Timeline17 events
Born in Cleveland, Ohio
Mehmet Cengiz Oz was born in Cleveland, Ohio, to Turkish immigrant parents.
Earns MD and MBA from University of Pennsylvania
Oz received his MD from the University of Pennsylvania School of Medicine and an MBA from the Wharton School of Business.
Becomes Professor of Surgery at Columbia University
Dr. Oz became a professor of surgery at Columbia University, a title he held until 2018 when he became professor emeritus.
The Dr. Oz Show Launches
Oprah Winfrey's Harpo Productions and Sony Pictures Television launched 'The Dr. Oz Show,' a daily television program about medical matters and health.
Faces Senate Scrutiny Over Health Claims
Dr. Oz appeared before a U.S. Senate panel that criticized his promotion of weight-loss products, and a study found many of his recommendations lacked scientific evidence.
Appointed to President's Council by Trump
President Donald Trump appointed Dr. Oz to the President's Council on Sports, Fitness, and Nutrition.
Announces Candidacy for U.S. Senate in Pennsylvania
Oz announced his bid for the Republican nomination for the U.S. Senate seat in Pennsylvania, leading to TV stations removing his show due to FCC rules.
Final Episode of The Dr. Oz Show Airs
The Dr. Oz Show aired its final episode after 13 seasons, concluding its run to allow Oz to focus on his Senate campaign.
Wins Republican Primary for Senate
Oz narrowly won the Republican primary for the U.S. Senate seat in Pennsylvania after a recount, becoming the first Muslim candidate nominated by a major party for Senate.
Loses U.S. Senate Election
Dr. Oz was defeated by Democratic nominee John Fetterman in the highly contentious Pennsylvania U.S. Senate election.
Nominated by Trump to Lead CMS
President-elect Donald Trump announced his nomination of Dr. Mehmet Oz to serve as Administrator for the Centers for Medicare & Medicaid Services (CMS).
Pledges to Divest Healthcare Investments
During his confirmation process, Oz pledged to sell his stock investments in healthcare companies to avoid potential conflicts of interest.
Assumes Office as CMS Administrator
Dr. Mehmet Oz officially assumed office as the 17th Administrator for the Centers for Medicare & Medicaid Services.
Co-authors Newsweek Op-Ed on 'Make America Healthy Again'
Dr. Oz, alongside Dr. Ben Carson, published an opinion piece in Newsweek outlining the Trump Administration's actions to update dietary guidelines and improve health.
Speaks at HIMSS Global Health Conference
Dr. Oz delivered a keynote at the HIMSS Global Health Conference & Exhibition in Las Vegas, discussing the overhaul of the healthcare system and the role of AI.
Speaks at CPAC USA 2026
Dr. Mehmet Oz was a confirmed speaker at CPAC USA 2026 in Grapevine, Texas, discussing healthcare policy.
Discusses AI and Medicaid Fraud at Semafor World Economy
Dr. Oz argued for integrating AI into healthcare for workforce improvement and defended the administration's crackdown on Medicaid and Medicare fraud at the Semafor World Economy event.
🔍Deep Dive Analysis
Dr. Mehmet Oz rose to national prominence as a cardiothoracic surgeon and a frequent guest on 'The Oprah Winfrey Show,' which led to the launch of his own syndicated daytime talk show, 'The Dr. Oz Show,' in 2009. The show, which ran for 13 seasons and earned multiple Daytime Emmy Awards, focused on health, wellness, and medical information, though it also faced criticism for promoting alternative medicine and products with questionable scientific backing.
A significant turning point in Oz's career came in November 2021 when he announced his candidacy for the U.S. Senate in Pennsylvania as a Republican, citing a desire to 'fix the problems and to help us heal' during the COVID-19 pandemic. His political aspirations led to the cancellation of 'The Dr. Oz Show' in January 2022. Despite securing an endorsement from former President Donald Trump and narrowly winning the Republican primary in May 2022, Oz ultimately lost the general election to Democrat John Fetterman in November 2022.
Following his Senate defeat, Oz largely remained out of the political spotlight for a period. However, after Donald Trump's victory in the 2024 presidential election, Oz was nominated to lead the Centers for Medicare & Medicaid Services (CMS) on November 19, 2024. This appointment placed him at the helm of a massive agency responsible for healthcare programs covering over 160 million Americans. During his Senate confirmation process in February 2025, Oz pledged to divest from his significant investments in healthcare companies to avoid conflicts of interest. He was confirmed by the Senate on April 3, 2025, and officially assumed office on April 8, 2025, with a ceremonial swearing-in by President Trump on April 18, 2025.
As of April 2026, Dr. Oz is actively engaged in his role as CMS Administrator. He has been a vocal proponent of integrating artificial intelligence into healthcare to improve access and efficiency, while also expressing concerns about security risks. He has also focused on combating waste and fraud within Medicare and Medicaid, and has been involved in initiatives like the Rural Health Transformation Program, a five-year, $50 billion program aimed at supporting rural healthcare providers. Oz continues to be a public figure, speaking at major events such as the HIMSS Global Health Conference & Exhibition in March 2026 and CPAC USA 2026, where he discusses the Trump administration's healthcare policies and vision.
What If...?
Explore alternate histories. What if Mehmet Cengiz Oz made different choices?