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. Callahan's expertise for a condition
ConditionClose
- Distinguished
- Chronic Rhinosinusitis with Nasal Polyps (CRSwNP)
- Advanced
- EmpyemaDr. Callahan isAdvanced. Learn about Empyema.
- OtitisDr. Callahan isAdvanced. Learn about Otitis.
- Ruptured EardrumDr. Callahan isAdvanced. Learn about Ruptured Eardrum.
- SinusitisDr. Callahan isAdvanced. Learn about Sinusitis.
- Experienced
- Acoustic NeuromaDr. Callahan isExperienced. Learn about Acoustic Neuroma.
- Allergic RhinitisDr. Callahan isExperienced. Learn about Allergic Rhinitis.
- Autonomic NeuropathyDr. Callahan isExperienced. Learn about Autonomic Neuropathy.
- Benign Paroxysmal Positional VertigoDr. Callahan isExperienced. Learn about Benign Paroxysmal Positional Vertigo.
- CholesteatomaDr. Callahan isExperienced. Learn about Cholesteatoma.
- Chronic CoughDr. Callahan isExperienced. Learn about Chronic Cough.
View All 28 Experienced Conditions
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