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
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- Distinguished
- Chronic Rhinosinusitis with Nasal Polyps (CRSwNP)
- DFNB1Dr. Callahan isDistinguished. Learn about DFNB1.
- EmpyemaDr. Callahan isDistinguished. Learn about Empyema.
- Grass AllergyDr. Callahan isDistinguished. Learn about Grass Allergy.
- Infant Hearing LossDr. Callahan isDistinguished. Learn about Infant Hearing Loss.
- Jones SyndromeDr. Callahan isDistinguished. Learn about Jones Syndrome.
View All 11 Distinguished Conditions
- Advanced
- Acinic Cell Carcinoma of Salivary Glands
- Allergic RhinitisDr. Callahan isAdvanced. Learn about Allergic Rhinitis.
- AnosmiaDr. Callahan isAdvanced. Learn about Anosmia.
- Benign Paroxysmal Positional VertigoDr. Callahan isAdvanced. Learn about Benign Paroxysmal Positional Vertigo.
- CholesteatomaDr. Callahan isAdvanced. Learn about Cholesteatoma.
- Deafness Hypogonadism SyndromeDr. Callahan isAdvanced. Learn about Deafness Hypogonadism Syndrome.
View All 25 Advanced Conditions
- Experienced
- Adenoid Cystic CarcinomaDr. Callahan isExperienced. Learn about Adenoid Cystic Carcinoma.
- Aseptic and Alopecic Nodules of Scalp (AANS)
- Auditory Neuropathy Spectrum DisorderDr. Callahan isExperienced. Learn about Auditory Neuropathy Spectrum Disorder.
- Bell's PalsyDr. Callahan isExperienced. Learn about Bell's Palsy.
- Burning Mouth SyndromeDr. Callahan isExperienced. Learn about Burning Mouth Syndrome.
- Enlarged AdenoidsDr. Callahan isExperienced. Learn about Enlarged Adenoids.
View All 35 Experienced Conditions
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