Marc Siegel, M.D., the Senior Medical Analyst for Fox News, is also a Clinical Professor of Medicine and a practicing internist at NYU Langone Medical Center. As the medical director of Doctor Radio on SiriusXM, Dr. Siegel has interviewed top experts on the COVID-19 pandemic, including the directors of HHS, NIH, CDC, FDA, NIAID and AMA.
Dr. Siegel is the author of seven books. His latest book is "The Angels Among Us: How God's Messengers Play a Role in Healing." (Fox Books, November 17, 2026). His book, "The Miracles Among Us: How God’s Grace Plays a Role in Healing", debuted at #1 on both the New York Times and Publisher’s Weekly bestseller lists. Additional books include, "COVID: The Politics of Fear and the Power of Science," as well as "False Alarm: the Truth about the Epidemic of Fear," "Bird Flu: Everything You Need to Know about the Next Pandemic," and "Swine Flu: the New Pandemic," which was profiled by Publishers Weekly. He has also written columns that have appeared in The Los Angeles Times and The New York Daily News. His first book was the novel, "Bellevue."
Dr. Siegel has been at Fox News since 2008, when he was hired as a medical contributor. He has worked for the network as an analyst and as a reporter and writer for FoxNews.com. Notable interviews have included President Donald Trump, former President George W. Bush, former Vice President Dick Cheney, two Health and Human Services secretaries, and U.S. senators, as well as the first exclusive interview with a survivor of the Boston marathon bombing.
Dr. Siegel traveled to the National Quarantine Unit at Nebraska Medicine in February 2020 to interview the team of scientists and the Diamond Princess passengers who contracted COVID-19, and warned the world about the coming pandemic.
Dr. Siegel is a member of the board of contributors at USA Today. He is also a columnist for FoxNews.com, The Hill, and the Wall Street Journal. He wrote a weekly column for the Los Angeles Times for six years, "The Unreal World," which examined TV and movies for medical accuracy.
Prior to that, the doctor wrote a weekly medical news column for the New York Daily News' health section.
Siegel graduated from SUNY Buffalo School of Medicine & Biomedical Sciences and completed his residency training at the New York University Medical Center.
Follow him on X @drmarcsiegel.
