Browse Health
Obstetrician & Gynecologist (OB/GYN)
11 years of experience
Accepting new patients
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).

Learn more about Dr. Katherine O'Brien:

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  1. Qualifications
  2. What's important to you

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Patient Reviews

Patient comments (2)

The overall average patient rating of Dr. Katherine O'Brien is Excellent. Dr. O'Brien has been reviewed by 24 patients who have provided 2 comments. The rating is 4.5 out of 5 stars.

Patient Ratings
Ease of Appointment 4.8
Promptness 4.5
Courteous Staff 4.0
Accurate Diagnosis 4.6
Bedside Manner 4.2
Spends Time with Me 4.4
Follows Up After Visit 4.0

Specialties & Research

Dr. Katherine O'Brien, MD is board certified in Obstetrics & Gynecology.

  • She has special expertise in 2 areas:
  • Hot Flashes
  • Menopause

Education & Awards

Dr. O'Brien graduated from State University of New York Downstate, Brooklyn. She has 1 awards.

Patients' Choice Award (2014)


Dr. O'Brien has 3 hospital affiliations:

  • Valley Hospital 
  • Nyack Hospital 
  • Long Island Jewish Medical Center 

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Additional Information
Dr. Katherine Elizabeth O'Brien MD is a female Obstetrician & Gynecologist, has 11 years of experience and practices in Obstetrics & Gynecology.
Where does Dr. Katherine E. O'Brien practice?
Dr. Katherine O'Brien has 3 office locations.
Dr. Katherine O'Brien practices Obstetrics & Gynecology near Paramus, NJ.
Additional practice locations include: Pomona, NY and Parsippany, NJ.
See Paramus Obstetricians & Gynecologists.