Dr. O'Brien graduated from the Loyola University Chicago Stritch School of Medicine in 1992. She works in Boston, MA and 1 other location and specializes in Pediatric Cardiology. Dr. O'Brien is affiliated with Boston Childrens Hospital.
Medical School: Loyola University Chicago Stritch School of Medicine; Graduated 1992
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*This physician has multiple office locations. See Office Information for details.