Dr. O'Brien is on Doximity
As a Doximity member you'll join over two million verified healthcare professionals in a private, secure network.
- Gain access to free telehealth tools, such as our “call shielding” and one-way patient texting.
- Connect with colleagues in the same hospital or clinic.
- Read the latest clinical news, personalized to your specialty.
Office
50 Staniford St
Fourth Floor
Boston, MA 02114Phone+1 617-726-4400
Education & Training
- Brown UniversityFellowship, Internal Medicine, 1993 - 1995
- University of Cincinnati Medical Center/College of MedicineResidency, Internal Medicine, 1991 - 1993
- Wright State UniversityInternship, Internal Medicine, 1990 - 1991
- Tufts University School of MedicineClass of 1989
Certifications & Licensure
- MA State Medical License 2005 - 2026
- CT State Medical License 2016 - 2018
- RI State Medical License 1993 - 2006
- OH State Medical License 1991 - 1994
- American Board of Internal Medicine Internal Medicine
- American Board of Obesity Medicine Obesity Medicine
Awards, Honors, & Recognition
- Meaningful Use Stage 1 Certification Centers for Medicare & Medicaid Services, 2011
Publications & Presentations
PubMed
- 100 citationsUse of the ED as a Regular Source of Care: Associated Factors Beyond Lack of Health InsuranceGail M O'Brien, Michael D. Stein, Sally Zierler, Marc J. Shapiro, Patricia S. O'Sullivan
Annals of Emergency Medicine. 1997-09-01 - 70 citations"Inappropriate" emergency department use: a comparison of three methodologies for identification.Gail M. O'Brien, Marc J. Shapiro, Robert W. Woolard, Patricia S. O'Sullivan, Michael D. Stein
Academic Emergency Medicine. 1996-03-01 - 27 citationsDo internists and emergency physicians agree on the appropriateness of emergency department visitsGail M. O'Brien, Marc J. Shapiro, Mark J. Fagan, Robert W. Woolard, Patricia S. O'Sullivan
Journal of General Internal Medicine. 1997-03-01
Viewing the full profile is available to verified healthcare professionals only.
Find your profile and take control of your online presence: