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. Brennan's expertise for a condition
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- Advanced
- Allergic RhinitisDr. Brennan isAdvanced. Learn about Allergic Rhinitis.
- EmpyemaDr. Brennan isAdvanced. Learn about Empyema.
- Grass AllergyDr. Brennan isAdvanced. Learn about Grass Allergy.
- Infant Hearing LossDr. Brennan isAdvanced. Learn about Infant Hearing Loss.
- Nasal PolypsDr. Brennan isAdvanced. Learn about Nasal Polyps.
- Salivary Duct StonesDr. Brennan isAdvanced. Learn about Salivary Duct Stones.
View All 7 Advanced Conditions
- Experienced
- Acinic Cell Carcinoma of Salivary GlandsDr. Brennan isExperienced. Learn about Acinic Cell Carcinoma of Salivary Glands.
- AnosmiaDr. Brennan isExperienced. Learn about Anosmia.
- Benign Paroxysmal Positional VertigoDr. Brennan isExperienced. Learn about Benign Paroxysmal Positional Vertigo.
- Burning Mouth SyndromeDr. Brennan isExperienced. Learn about Burning Mouth Syndrome.
- Chronic Rhinosinusitis with Nasal Polyps (CRSwNP)
- DFNB1Dr. Brennan isExperienced. Learn about DFNB1.
View All 41 Experienced Conditions
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