Dr. O'Brien is on Doximity
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Office
347 East 37 Street
New York, NY 10016Phone+1 212-726-7457Fax+1 212-209-3257
Education & Training
- NYU Grossman School of MedicineFellowship, Cardiovascular Disease, 1986 - 1988
- NYU Grossman School of MedicineResidency, Internal Medicine, 1982 - 1986
- Harvard Medical SchoolClass of 1982
Certifications & Licensure
- NY State Medical License 1984 - 2026
- American Board of Internal Medicine Internal Medicine
- American Board of Internal Medicine Cardiovascular Disease
Awards, Honors, & Recognition
- Fellow American College of Physicians
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