Marc S Zumberg, MD
Cancer Specialist (Oncologist), Hematologist (Blood Disease Specialist)
Ratings
The following ratings and reviews are based on verified feedback collected from independently administered patient experience surveys. The rating and comments submitted by patients reflect their own views and opinions. Patient identities are withheld to ensure confidentiality and privacy. See our patient experience program for more details.
Likelihood of recommending this provider
Detailed ratings
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Provider explained things clearly 4.9 out of 5 stars
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Provider showed courtesy and respect 4.9 out of 5 stars
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Provider listened carefully 4.8 out of 5 stars
Rating distribution
- 88% rated as 5 stars, 35 reviews
- 13% rated as 4 stars, 5 reviews
- 0% rated as 3 stars, 0 reviews
- 0% rated as 2 stars, 0 reviews
- 0% rated as 1 stars, 0 reviews
We only show ratings and reviews from the past two years. Reviews are sorted by most recent, then confirmed and audited before publication.
Reviews
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Rated 5 out of 5 stars. Review from May 7, 2026
“ Brief visit reviewing my lab work, but friendly. I never felt rushed as he reviewed my current metrics and provided insight as to my stays. ”
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Rated 5 out of 5 stars. Review from March 30, 2026
“ Excellent physician. Good bedside manners. Easy to communicate with ”
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Rated 5 out of 5 stars. Review from March 24, 2026
“ Dr. Zumberg has provided excellent advice and care ”