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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. John O'Brien:

View the full profile to get information on:

  1. Qualifications
  2. What's important to you

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Patient Reviews

5.0
  •  
(2)
Patient comments (0)

The overall average patient rating of Dr. John O'Brien is Excellent. Dr. O'Brien has been reviewed by 2 patients who have provided 0 comments. The rating is 5 out of 5 stars.

Patient Ratings
Ease of Appointment 5.0
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Promptness 5.0
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Courteous Staff 5.0
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Accurate Diagnosis 5.0
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Bedside Manner 5.0
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Spends Time with Me 5.0
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Follows Up After Visit 5.0
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Specialties & Research

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

  • He has special expertise in 7 areas:
  • Attention Deficit Disorder (ADD) / Attention Deficit Hyperactivity Disorder (ADHD)
  • Bipolar Disorder / Manic Depressive Disorder
  • Depression
  • Depressive Disorder
  • Insomnia
  • Schizophrenia
  • Sleep Disorders

Education & Awards

Dr. O'Brien graduated from UMDNJ, Newark.


Affiliations

Dr. O'Brien has 6 hospital affiliations:

  • Mt Sinai Hospital 
  • Good Samaritan Hospital Medical Center 

Languages

  • Spanish
  • Italian
  • French

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

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Additional Information
Dr. John Daniel O'Brien MD is a male Psychiatrist, has 48 years of experience and practices in Psychiatry.
Where does Dr. John D. O'Brien practice?
Dr. John O'Brien has 1 office location.
Dr. John O'Brien practices Psychiatry near New York, NY.
See New York Psychiatrists.