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Obstetrician & Gynecologist (OB/GYN)
15 years of experience
Accepting new patients
Video profile
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).

Patient Reviews

Patient comments (3)

The overall average patient rating of Dr. Karen O'Brien is Average. Dr. O'Brien has been reviewed by 5 patients who have provided 3 comments. The rating is 2.5 out of 5 stars.

Patient Ratings
Ease of Appointment 1.0
Promptness 1.9
Courteous Staff 1.7
Accurate Diagnosis 1.7
Bedside Manner 3.0
Spends Time with Me 2.0
Follows Up After Visit 1.7

Specialties & Research

Dr. Karen O'Brien, MD is board certified in Obstetrics & Gynecology and Maternal & Fetal Medicine.

  • She has special expertise in 4 areas:
  • Fetal Ultrasound
  • Hot Flashes
  • Menopause
  • Pre-Eclampsia

Education & Awards

Dr. O'Brien graduated from Georgetown University, Washington.


Dr. O'Brien has 9 hospital affiliations:

  • Beth Israel Deaconess Hospital - Needham Campus, Inc.L CORP 
  • Brigham and Women's Hospital 


  • Spanish
  • English

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Additional Information
Dr. Karen Erine O'Brien MD is a female Obstetrician & Gynecologist, has 15 years of experience and practices in Obstetrics & Gynecology and Maternal & Fetal Medicine.
Where does Dr. Karen E. O'Brien practice?
Dr. Karen O'Brien has 6 office locations.
Dr. Karen O'Brien practices Obstetrics & Gynecology and Maternal & Fetal Medicine near Boston, MA.
Additional practice locations include: Scituate, MA and Burlington, MA.
See Boston Obstetricians & Gynecologists.