Marc K. Siegel is an American physician, clinical professor of medicine at NYU Langone Medical Center, author, and contributor to The Hill, The Wall Street Journal, Slate, Fox News, and member of the board of contributors at USA Today. He is the medical director of NYU's Doctor Radio on Sirius XM
Marc K. Siegel is an American physician, clinical professor of medicine at NYU Langone Medical Center, author, and contributor to The Hill, The Wall Street Journal, Slate, Fox News, and member of the board of contributors at USA Today. He is the medical director of NYU's Doctor Radio on Sirius XM
The reviews listed below were collected independently of Castle Connolly Private Health Partners through rater8. Each review represents an authentic and verified patient experience.
A brilliant physician!
(1 week ago)
Sep-2026
Great clinician who oversees his patient's care
(1 week ago)
Sep-2026
THE BEST!
(4 months ago)
Jun-2026
He’s the best I trust with my life
(4 months ago)
Jun-2026
Marc is not only a genius but a genuinely kind man.
(1 year ago)
Sep-2025
A most caring and intelligent physician- I’m thankful to have Dr Siegel as my doctor.
(1 year ago)
Sep-2025
Super engaged. Super caring. Super attentive. Brilliant diagnostician. Aggressive patient advocate. He is the primary care doctor you want.
(1 year ago)
Jun-2025
Exceptional, compassionate, professional - the best!
Marc K. Siegel is an American physician, clinical professor of medicine at NYU Langone Medical Center, author, and contributor to The Hill, The Wall Street Journal, Slate, Fox News, and member of the board of contributors at USA Today. He is the medical director of NYU's Doctor Radio on Sirius XM
See other doctors in Castle Connolly Private Health Partners
A brilliant physician!
Great clinician who oversees his patient's care
THE BEST!
He’s the best I trust with my life
Marc is not only a genius but a genuinely kind man.
A most caring and intelligent physician- I’m thankful to have Dr Siegel as my doctor.
Super engaged. Super caring. Super attentive. Brilliant diagnostician. Aggressive patient advocate. He is the primary care doctor you want.
Exceptional, compassionate, professional - the best!
Amazing access and support for patients