Marc Siegel, M.D.

Practice: Castle Connolly Private Health Partners

Specialty: Infectious Disease

Office locations: New York, NY

Most recent review: 1 month ago Recent
4.9 out of 5
24 Ratings
9 Comments

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

4.9 out of 5
24 Ratings
9 Comments

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!

Rated 5 out of 5 stars
(1 month ago) Sep-2026

Great clinician who oversees his patient's care

Rated 5 out of 5 stars
(1 month ago) Sep-2026

THE BEST!

Rated 5 out of 5 stars
(4 months ago) Jun-2026

He’s the best I trust with my life

Rated 5 out of 5 stars
(4 months ago) Jun-2026

Marc is not only a genius but a genuinely kind man.

Rated 5 out of 5 stars
(1 year ago) Sep-2025

A most caring and intelligent physician- I’m thankful to have Dr Siegel as my doctor.

Rated 5 out of 5 stars
(1 year ago) Sep-2025

Super engaged. Super caring. Super attentive. Brilliant diagnostician. Aggressive patient advocate. He is the primary care doctor you want.

Rated 5 out of 5 stars
(1 year ago) Jun-2025

Exceptional, compassionate, professional - the best!

Rated 5 out of 5 stars
(1 year ago) Jun-2025

Amazing access and support for patients

Rated 5 out of 5 stars
(1 year ago) Mar-2025
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