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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. Cara O'Brien:

View the full profile to get information on:

  1. Qualifications
  2. What's important to you

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Patient Reviews

Patient comments (1)

The overall average patient rating of Dr. Cara O'Brien is Excellent. Dr. O'Brien has been reviewed by 1 patients who have provided 1 comments. The rating is 5 out of 5 stars.

Patient Ratings
Ease of Appointment 5.0
Promptness 5.0
Courteous Staff 5.0
Accurate Diagnosis 5.0
Bedside Manner 5.0
Spends Time with Me 5.0

Specialties & Research

Dr. Cara O'Brien, MD is board certified in Internal Medicine.

Education & Awards

Dr. O'Brien graduated from Washington University at St. Louis, Saint Louis.


Dr. O'Brien has 2 hospital affiliations:

  • Duke University Hospital 
  • Durham Regional Hospital 

> > > > Dr. Cara O'Brien, MD

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Additional Information
Dr. Cara Louise O'Brien MD is a female Internist, has 8 years of experience and practices in Internal Medicine.
Where does Dr. Cara L. O'Brien practice?
Dr. Cara O'Brien has 2 office locations.
Dr. Cara O'Brien practices Internal Medicine near Durham, NC.
See Durham Internists.