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. Chang's expertise for a condition
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- Distinguished
- Celiac DiseaseDr. Chang isDistinguished. Learn about Celiac Disease.
- Esophageal AtresiaDr. Chang isDistinguished. Learn about Esophageal Atresia.
- Advanced
- Atresia of Small IntestineDr. Chang isAdvanced. Learn about Atresia of Small Intestine.
- ColonoscopyDr. Chang isAdvanced. Learn about Colonoscopy.
- Eosinophilic EsophagitisDr. Chang isAdvanced. Learn about Eosinophilic Esophagitis.
- Esophageal Atresia Coloboma Talipes
- EsophagitisDr. Chang isAdvanced. Learn about Esophagitis.
- GastrectomyDr. Chang isAdvanced. Learn about Gastrectomy.
View All 8 Advanced Conditions
- Experienced
- Benign Esophageal StrictureDr. Chang isExperienced. Learn about Benign Esophageal Stricture.
- Bile Duct StrictureDr. Chang isExperienced. Learn about Bile Duct Stricture.
- Childhood Iron Deficiency AnemiaDr. Chang isExperienced. Learn about Childhood Iron Deficiency Anemia.
- Chronic CoughDr. Chang isExperienced. Learn about Chronic Cough.
- Chronic Erosive GastritisDr. Chang isExperienced. Learn about Chronic Erosive Gastritis.
- Chronic Idiopathic Constipation (CIC)Dr. Chang isExperienced. Learn about Chronic Idiopathic Constipation (CIC).
View All 39 Experienced Conditions
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