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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- Advanced
- AsthmaDr. O'brien isAdvanced. Learn about Asthma.
- Asthma in ChildrenDr. O'brien isAdvanced. Learn about Asthma in Children.
- Chronic Obstructive Pulmonary Disease (COPD)
- Excessive Daytime SleepinessDr. O'brien isAdvanced. Learn about Excessive Daytime Sleepiness.
- Lung MetastasesDr. O'brien isAdvanced. Learn about Lung Metastases.
- Obstructive Sleep ApneaDr. O'brien isAdvanced. Learn about Obstructive Sleep Apnea.
- Experienced
- Acute Interstitial PneumoniaDr. O'brien isExperienced. Learn about Acute Interstitial Pneumonia.
- Alpha-1 Antitrypsin Deficiency (AATD)Dr. O'brien isExperienced. Learn about Alpha-1 Antitrypsin Deficiency (AATD).
- AsbestosisDr. O'brien isExperienced. Learn about Asbestosis.
- Atypical PneumoniaDr. O'brien isExperienced. Learn about Atypical Pneumonia.
- BronchiectasisDr. O'brien isExperienced. Learn about Bronchiectasis.
- Bronchiolitis ObliteransDr. O'brien isExperienced. Learn about Bronchiolitis Obliterans.
View All 23 Experienced Conditions
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