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
3300 Gallows Rd
Falls Church, VA 22042Phone+1 703-776-4001Fax+1 703-776-7113
Education & Training
- University of Florida College of Medicine JacksonvilleFellowship, Cardiovascular Disease, 1983 - 1984
- University of FloridaFellowship, Cardiovascular Disease, 1982 - 1983
- McGaw Medical Center of Northwestern UniversityResidency, Internal Medicine, 1977 - 1980
- Georgetown University School of MedicineClass of 1977
Certifications & Licensure
- VA State Medical License 1984 - 2026
- FL State Medical License 1981 - 1985
- IL State Medical License 1978 - 1982
- American Board of Internal Medicine Internal Medicine
- American Board of Internal Medicine Cardiovascular Disease
Awards, Honors, & Recognition
- CMS Meaningful Use Stage 1 Certification EpicCare Ambulatory EMR, Epic Systems Corporation, 2013
- Top MD Consumers Checkbook
- Fellow (FACC) American College of Cardiology
Clinical Trials
- Multi-centre UK Study of the Acetylcholinesterase Inhibitor Donepezil in Early Dementia Associated With Parkinson's Disease Start of enrollment: 2013 Jan 01
Publications & Presentations
PubMed
- 14 citationsHistamine receptors of cones and horizontal cells in Old World monkey retinas.Alejandro Vila, Hiromasa Satoh, Carolina Rangel, Stephen L. Mills, Hideo Hoshi
The Journal of Comparative Neurology. 2012-02-15 - 1298 citationsRevising the definition of Alzheimer's disease: a new lexicon.Bruno Dubois, Howard Feldman, Claudia Jacova, Jeffrey L. Cummings, Steven T. DeKosky
The Lancet. Neurology. 2010-11-01 - 65 citationsMicroglial activation and blood-brain barrier permeability in cerebral small vessel disease.Jessica C. Walsh, D Tozer, Hasan Sari, Young T. Hong, Anna M. Drazyk
Brain. 2021-06-22
Grant Support
- Regulation Of Retinal GAP JunctionsNational Eye Institute2000–2012
- Facilities For Research Use Of FishNational Center For Research Resources2007
- Molecular Characterization Of GAP Junction ProteinsNational Institute Of Arthritis And Musculoskeletal And Skin Diseases1994–1996
- Functional Roles Of Ryanodine Receptor IsoformsNational Institute Of Arthritis And Musculoskeletal And Skin Diseases1994
Professional Memberships
- Member
Viewing the full profile is available to verified healthcare professionals only.
Find your profile and take control of your online presence: