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
- AscitesDr. O'brien isDistinguished. Learn about Ascites.
- Thyroid NoduleDr. O'brien isDistinguished. Learn about Thyroid Nodule.
- Advanced
- Muscle Invasive Bladder CancerDr. O'brien isAdvanced. Learn about Muscle Invasive Bladder Cancer.
- PeritonitisDr. O'brien isAdvanced. Learn about Peritonitis.
- PleurisyDr. O'brien isAdvanced. Learn about Pleurisy.
- Secondary PeritonitisDr. O'brien isAdvanced. Learn about Secondary Peritonitis.
- Urothelial CancerDr. O'brien isAdvanced. Learn about Urothelial Cancer.
- Experienced
- Alcoholic CirrhosisDr. O'brien isExperienced. Learn about Alcoholic Cirrhosis.
- ALK-Positive Non-Small Cell Lung CancerDr. O'brien isExperienced. Learn about ALK-Positive Non-Small Cell Lung Cancer.
- Banti's SyndromeDr. O'brien isExperienced. Learn about Banti's Syndrome.
- Bile Duct ObstructionDr. O'brien isExperienced. Learn about Bile Duct Obstruction.
- Bile Duct StrictureDr. O'brien isExperienced. Learn about Bile Duct Stricture.
- Biliary DyskinesiaDr. O'brien isExperienced. Learn about Biliary Dyskinesia.
View All 52 Experienced Conditions
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