> > > > Dr. Mary O'Brien, MD
Dr. Mary Elizabeth O'Brien MD is a female Emergency Medicine Specialist, has 33 years of experience and practices in Internal Medicine and Emergency Medicine.
Dr. Mary O'Brien has 2 office locations.
Morningside Heights
Columbia University
519 W 114th St
New York, NY 10027

Phone Number
Locations and availability (2)
License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

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  1. Qualifications
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Patient Reviews

  • Currently 2.5 of 4 stars
Patient comments (4)

The overall average patient rating of Dr. Mary O'Brien is Good. Dr. O'Brien has been reviewed by 6 patients who have provided 4 comments. The rating is 2.5 out of 4 stars.

Patient Ratings
Ease of Appointment 2.8
  • Currently 2.8 of 4 stars
Promptness 2.2
  • Currently 2.2 of 4 stars
Courteous Staff 2.4
  • Currently 2.4 of 4 stars
Accurate Diagnosis 2.4
  • Currently 2.4 of 4 stars
Bedside Manner 3.0
  • Currently 3 of 4 stars
Spends Time with Me 2.8
  • Currently 2.8 of 4 stars
Follows Up After Visit 2.4
  • Currently 2.4 of 4 stars

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 
  • Slrhc 

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Additional Information
Where does Dr. Mary E. O'Brien practice?
Dr. Mary O'Brien practices Internal Medicine and Emergency Medicine near New York, NY.
See New York Internists and New York Emergency Physicians.