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- Currently 2.5 of 4 stars
The overall average patient rating of Dr. Mary O'Brien is Good.
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Specialties & Research
Dr. Mary O'Brien, MD is board certified in Internal Medicine.
Education & Awards
Dr. O'Brien graduated from Harvard University , Boston.
Dr. O'Brien has 3 hospital affiliations:
- St Luke's Roosevelt Hospital
- Beth Israel Medical Center - Kings Highway Division