Dr. O'Brien is on Doximity
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Office
111 Osborne St
Danbury, CT 06810Phone+1 203-739-7038Fax+1 203-739-1961
Education & Training
SUNY Downstate Health Sciences UniversityFellowship, Gastroenterology, 2011 - 2014- SUNY Downstate Health Sciences UniversityResidency, Internal Medicine, 2008 - 2011
State University of New York Downstate Medical Center College of MedicineClass of 2008
Certifications & Licensure
NY State Medical License 2013 - 2026
CT State Medical License 2014 - 2025- American Board of Internal Medicine Gastroenterology
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