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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. Derek 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 (2)

The overall average patient rating of Dr. Derek O'Brien is Good. Dr. O'Brien has been reviewed by 3 patients who have provided 2 comments. The rating is 2.5 out of 4 stars.

Patient Ratings
Ease of Appointment 4.0
Promptness 3.0
Courteous Staff 4.0
Accurate Diagnosis 4.0
Bedside Manner 4.0
Spends Time with Me 4.0

Specialties & Research

Dr. Derek O'Brien, MD is board certified in Psychiatry.

Education & Awards

Dr. O'Brien graduated from Emory University , Atlanta.


Dr. O'Brien has 1 hospital affiliations:

  • Gwinnett Medical Center 

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Additional Information
Dr. Derek Johnson O'Brien MD is a male Psychiatrist, has 18 years of experience and practices in Psychiatry.
Where does Dr. Derek J. O'Brien practice?
Dr. Derek O'Brien has 2 office locations.
Dr. Derek O'Brien practices Psychiatry near Atlanta, GA.
See Atlanta Psychiatrists.