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
- AngiosarcomaDr. O'brien isDistinguished. Learn about Angiosarcoma.
- Breast CancerDr. O'brien isDistinguished. Learn about Breast Cancer.
- Paget Disease of the BreastDr. O'brien isDistinguished. Learn about Paget Disease of the Breast.
- Advanced
- Breast LumpDr. O'brien isAdvanced. Learn about Breast Lump.
- Giant Mammary HamartomaDr. O'brien isAdvanced. Learn about Giant Mammary Hamartoma.
- Inflammatory Breast CancerDr. O'brien isAdvanced. Learn about Inflammatory Breast Cancer.
- Intraductal PapillomaDr. O'brien isAdvanced. Learn about Intraductal Papilloma.
- Experienced
- Anal CancerDr. O'brien isExperienced. Learn about Anal Cancer.
- BRCA Positive Breast CancerDr. O'brien isExperienced. Learn about BRCA Positive Breast Cancer.
- Breast Cancer in MenDr. O'brien isExperienced. Learn about Breast Cancer in Men.
- Breast InfectionDr. O'brien isExperienced. Learn about Breast Infection.
- FibroadenomaDr. O'brien isExperienced. Learn about Fibroadenoma.
- Fibrocystic Breast DiseaseDr. O'brien isExperienced. Learn about Fibrocystic Breast Disease.
View All 20 Experienced Conditions
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