Dr. John Daniel O'Brien MD is a male Ophthalmologist, has 45 years of experience and practices in Psychiatry, Child Psychiatry, Child & Adolescent Psychiatry, and Ophthalmology.
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).
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Specialties & Research
Dr. John O'Brien, MD is board certified in Psychiatry and Child Psychiatry.
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Education & Awards
Dr. O'Brien graduated from UMDNJ, Newark.More Education & Awards
Dr. O'Brien has 6 hospital affiliations:
- Mt Sinai Hospital
- Good Samaritan Hospital Medical Center