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
Find Dr. O Brien's expertise for a condition
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- Distinguished
- Adenosine Deaminase 2 DeficiencyDr. O Brien isDistinguished. Learn about Adenosine Deaminase 2 Deficiency.
- AnginaDr. O Brien isDistinguished. Learn about Angina.
- ApoplexyDr. O Brien isDistinguished. Learn about Apoplexy.
- Arterial EmbolismDr. O Brien isDistinguished. Learn about Arterial Embolism.
- CardiomyopathyDr. O Brien isDistinguished. Learn about Cardiomyopathy.
- Carotid Artery DiseaseDr. O Brien isDistinguished. Learn about Carotid Artery Disease.
View All 7 Distinguished Conditions
- Advanced
- ArrhythmiasDr. O Brien isAdvanced. Learn about Arrhythmias.
- Arterial InsufficiencyDr. O Brien isAdvanced. Learn about Arterial Insufficiency.
- AtherosclerosisDr. O Brien isAdvanced. Learn about Atherosclerosis.
- Atrial FibrillationDr. O Brien isAdvanced. Learn about Atrial Fibrillation.
- Catecholaminergic Polymorphic Ventricular Tachycardia
- Coronary Heart DiseaseDr. O Brien isAdvanced. Learn about Coronary Heart Disease.
View All 10 Advanced Conditions
- Experienced
- Abdominal Aortic Aneurysm (AAA)Dr. O Brien isExperienced. Learn about Abdominal Aortic Aneurysm (AAA).
- AngioplastyDr. O Brien isExperienced. Learn about Angioplasty.
- Aortic Valve StenosisDr. O Brien isExperienced. Learn about Aortic Valve Stenosis.
- Arrhythmogenic Right Ventricular Cardiomyopathy
- Arterial Tortuosity SyndromeDr. O Brien isExperienced. Learn about Arterial Tortuosity Syndrome.
- Atrial MyxomaDr. O Brien isExperienced. Learn about Atrial Myxoma.
View All 55 Experienced Conditions
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