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Specialties & Research
Dr. John O'Brien, MD is board certified in Psychiatry.
Education & Awards
Dr. O'Brien graduated from UMDNJ, Newark.
Dr. O'Brien has 6 hospital affiliations:
- Mt Sinai Hospital
- Good Samaritan Hospital Medical Center
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- Additional Information
- Where does Dr. John D. O'Brien practice?
Dr. John O'Brien practices Psychiatry near New York, NY.
See New York Psychiatrists.