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. Donnan's expertise for a condition
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- Advanced
- AchalasiaDr. Donnan isAdvanced. Learn about Achalasia.
- Swallowing DifficultyDr. Donnan isAdvanced. Learn about Swallowing Difficulty.
- Experienced
- Angiodysplasia of the ColonDr. Donnan isExperienced. Learn about Angiodysplasia of the Colon.
- Bacterial GastroenteritisDr. Donnan isExperienced. Learn about Bacterial Gastroenteritis.
- Barrett EsophagusDr. Donnan isExperienced. Learn about Barrett Esophagus.
- Benign Esophageal StrictureDr. Donnan isExperienced. Learn about Benign Esophageal Stricture.
- Bile Duct ObstructionDr. Donnan isExperienced. Learn about Bile Duct Obstruction.
- Celiac DiseaseDr. Donnan isExperienced. Learn about Celiac Disease.
- Childhood Iron Deficiency AnemiaDr. Donnan isExperienced. Learn about Childhood Iron Deficiency Anemia.
- Childhood VolvulusDr. Donnan isExperienced. Learn about Childhood Volvulus.
- Chronic Erosive GastritisDr. Donnan isExperienced. Learn about Chronic Erosive Gastritis.
- ColitisDr. Donnan isExperienced. Learn about Colitis.
- Colonic MalakoplakiaDr. Donnan isExperienced. Learn about Colonic Malakoplakia.
- DiarrheaDr. Donnan isExperienced. Learn about Diarrhea.
- Diverticular DiseaseDr. Donnan isExperienced. Learn about Diverticular Disease.
- EndoscopyDr. Donnan isExperienced. Learn about Endoscopy.
- Eosinophilic EsophagitisDr. Donnan isExperienced. Learn about Eosinophilic Esophagitis.
- EsophagitisDr. Donnan isExperienced. Learn about Esophagitis.
- Gastric DysmotilityDr. Donnan isExperienced. Learn about Gastric Dysmotility.
- Gastroesophageal Reflux Disease (GERD)Dr. Donnan isExperienced. Learn about Gastroesophageal Reflux Disease (GERD).
- GastroparesisDr. Donnan isExperienced. Learn about Gastroparesis.
- HeartburnDr. Donnan isExperienced. Learn about Heartburn.
- Helicobacter Pylori InfectionDr. Donnan isExperienced. Learn about Helicobacter Pylori Infection.
- IndigestionDr. Donnan isExperienced. Learn about Indigestion.
- Iron Deficiency AnemiaDr. Donnan isExperienced. Learn about Iron Deficiency Anemia.
- Irritable Bowel Syndrome (IBS)Dr. Donnan isExperienced. Learn about Irritable Bowel Syndrome (IBS).
- Lower Esophageal RingDr. Donnan isExperienced. Learn about Lower Esophageal Ring.
- Morning SicknessDr. Donnan isExperienced. Learn about Morning Sickness.
- Painful SwallowingDr. Donnan isExperienced. Learn about Painful Swallowing.
- Peptic UlcerDr. Donnan isExperienced. Learn about Peptic Ulcer.
- Portal HypertensionDr. Donnan isExperienced. Learn about Portal Hypertension.
- ProctitisDr. Donnan isExperienced. Learn about Proctitis.
- Trichohepatoenteric SyndromeDr. Donnan isExperienced. Learn about Trichohepatoenteric Syndrome.
- Viral GastroenteritisDr. Donnan isExperienced. Learn about Viral Gastroenteritis.
- VisceromegalyDr. Donnan isExperienced. Learn about Visceromegaly.
View All 33 Experienced Conditions
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