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'regan's expertise for a condition
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- Elite
- Breast CancerDr. O'regan isElite. Learn about Breast Cancer.
- Distinguished
- AngiosarcomaDr. O'regan isDistinguished. Learn about Angiosarcoma.
- Inflammatory Breast CancerDr. O'regan isDistinguished. Learn about Inflammatory Breast Cancer.
- Paget Disease of the BreastDr. O'regan isDistinguished. Learn about Paget Disease of the Breast.
- Triple-Negative Breast CancerDr. O'regan isDistinguished. Learn about Triple-Negative Breast Cancer.
- Advanced
- Breast Cancer in MenDr. O'regan isAdvanced. Learn about Breast Cancer in Men.
- HER2 Negative Breast CancerDr. O'regan isAdvanced. Learn about HER2 Negative Breast Cancer.
- PIK3CA-Related Overgrowth SpectrumDr. O'regan isAdvanced. Learn about PIK3CA-Related Overgrowth Spectrum.
- Experienced
- Brain TumorDr. O'regan isExperienced. Learn about Brain Tumor.
- Intraductal PapillomaDr. O'regan isExperienced. Learn about Intraductal Papilloma.
- MenopauseDr. O'regan isExperienced. Learn about Menopause.
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