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. Drennan's expertise for a condition
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- Experienced
- Angiodysplasia of the ColonDr. Drennan isExperienced. Learn about Angiodysplasia of the Colon.
- Benign Esophageal StrictureDr. Drennan isExperienced. Learn about Benign Esophageal Stricture.
- Bowel IncontinenceDr. Drennan isExperienced. Learn about Bowel Incontinence.
- Chronic Erosive GastritisDr. Drennan isExperienced. Learn about Chronic Erosive Gastritis.
- ColitisDr. Drennan isExperienced. Learn about Colitis.
- ColonoscopyDr. Drennan isExperienced. Learn about Colonoscopy.
View All 25 Experienced Conditions
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