Overview
John O'brien is a Cardiologist in Fairfax,, Virginia. Dr. O'brien is rated as an Experienced provider by MediFind in the treatment of Heart Murmurs. His top areas of expertise are Atrial Fibrillation, Atherosclerosis, Coronary Heart Disease, and Angina.
His clinical research consists of co-authoring 2 peer reviewed articles. MediFind looks at clinical research from the past 15 years.
Insurance
Accepted insurance can change. Please verify directly with the provider.
Accepted insurance plans:
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- POS
- PPO
- HMO
- POS
- PPO
- EPO
- HMO
- PPO
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- PPO
- POS
- HMO
- INDEMNITY
- POS
- PPO
- OTHER MANAGED MEDICAID
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER MEDICARE PART D
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE PDP
- EPO
- HMO
- PPO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE ASSISTANCE PROGRAM
- MEDICARE MAPD
- MEDICARE SNP
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER MEDICARE
- OTHER MEDICARE PART D
Locations
8081 Innovation Park Dr Ste 700, Fairfax,, VA 22031
3299 Woodburn Rd Ste 200, Annandale,, VA 22003
Clinical Research
Clinical research consists of overseeing clinical studies of patients undergoing new treatments and therapies, and publishing articles in peer reviewed medical journals. Providers who actively participate in clinical research are generally at the forefront of the fields and aware of the most up-to-date advances in treatments for their patients.
Office
Varkey Mathew is a Cardiologist in Huntingtown,, Maryland. Dr. Mathew is rated as a Distinguished provider by MediFind in the treatment of Heart Murmurs. His top areas of expertise are Heart Murmurs, Venous Insufficiency, Stasis Dermatitis and Ulcers, Angina, and Pacemaker Implantation.
Cardiology & Internal Medicine PA
Dr. Joseph A. Vassallo is a cardiologist affiliated with Sibley Memorial Hospital and Suburban Hospital. He practices out of Cardiology and Internal Medicine, located in Chevy Chase, Maryland. Dr. Vassallo has expertise in cardiovascular disease, arrhythmia evaluation and internal medicine. Dr. Vassallo earned his medical degree from State University of New York at Buffalo School of Medicine. He completed a residency in internal medicine at New England Medical Center. Dr. Vassallo is a fellow of the American College of Cardiology. Dr. Vassallo is rated as a Distinguished provider by MediFind in the treatment of Heart Murmurs. His top areas of expertise are Heart Murmurs, Hypertension, Glucocorticoid-Remediable Aldosteronism, and High Cholesterol.
ISIM Inc
Sean Gloth is a Cardiologist in Columbia, Maryland. Dr. Gloth is rated as a Distinguished provider by MediFind in the treatment of Heart Murmurs. His top areas of expertise are Heart Murmurs, Mitral Valve Regurgitation, Ectopic Heartbeat, and Aortic Regurgitation.
Areas of Expertise
MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.
Learn more about MediFind’s expert tiers
- Advanced
- Acute Coronary SyndromeDr. O'brien isAdvanced. Learn about Acute Coronary Syndrome.
- AnginaDr. O'brien isAdvanced. Learn about Angina.
- Aortic Valve StenosisDr. O'brien isAdvanced. Learn about Aortic Valve Stenosis.
- AtherosclerosisDr. O'brien isAdvanced. Learn about Atherosclerosis.
- Atrial FibrillationDr. O'brien isAdvanced. Learn about Atrial Fibrillation.
- Coronary Heart DiseaseDr. O'brien isAdvanced. Learn about Coronary Heart Disease.
- Experienced
- Aortic RegurgitationDr. O'brien isExperienced. Learn about Aortic Regurgitation.
- ApoplexyDr. O'brien isExperienced. Learn about Apoplexy.
- ArrhythmiasDr. O'brien isExperienced. Learn about Arrhythmias.
- Arrhythmogenic Right Ventricular Cardiomyopathy
- Arterial EmbolismDr. O'brien isExperienced. Learn about Arterial Embolism.
- Atrial TachycardiaDr. O'brien isExperienced. Learn about Atrial Tachycardia.
