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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- Advanced
- Menkes DiseaseDr. Chang isAdvanced. Learn about Menkes Disease.
- Wilson DiseaseDr. Chang isAdvanced. Learn about Wilson Disease.
- Experienced
- AnemiaDr. Chang isExperienced. Learn about Anemia.
- Arteriovenous MalformationDr. Chang isExperienced. Learn about Arteriovenous Malformation.
- Childhood VolvulusDr. Chang isExperienced. Learn about Childhood Volvulus.
- Chronic Erosive GastritisDr. Chang isExperienced. Learn about Chronic Erosive Gastritis.
- Chronic Idiopathic Constipation (CIC)Dr. Chang isExperienced. Learn about Chronic Idiopathic Constipation (CIC).
- Congenital Diaphragmatic HerniaDr. Chang isExperienced. Learn about Congenital Diaphragmatic Hernia.
- DiarrheaDr. Chang isExperienced. Learn about Diarrhea.
- Diverticular DiseaseDr. Chang isExperienced. Learn about Diverticular Disease.
- Enlarged LiverDr. Chang isExperienced. Learn about Enlarged Liver.
- Familial Adenomatous PolyposisDr. Chang isExperienced. Learn about Familial Adenomatous Polyposis.
- Formaldehyde PoisoningDr. Chang isExperienced. Learn about Formaldehyde Poisoning.
- Gas Bloat SyndromeDr. Chang isExperienced. Learn about Gas Bloat Syndrome.
- Gastric DysmotilityDr. Chang isExperienced. Learn about Gastric Dysmotility.
- Gastroesophageal Reflux Disease (GERD)
- HeartburnDr. Chang isExperienced. Learn about Heartburn.
- HemorrhoidsDr. Chang isExperienced. Learn about Hemorrhoids.
- Hiatal HerniaDr. Chang isExperienced. Learn about Hiatal Hernia.
- IndigestionDr. Chang isExperienced. Learn about Indigestion.
- Morning SicknessDr. Chang isExperienced. Learn about Morning Sickness.
- Non-Alcoholic Fatty Liver DiseaseDr. Chang isExperienced. Learn about Non-Alcoholic Fatty Liver Disease.
- ObesityDr. Chang isExperienced. Learn about Obesity.
- Painful SwallowingDr. Chang isExperienced. Learn about Painful Swallowing.
- Portal HypertensionDr. Chang isExperienced. Learn about Portal Hypertension.
- Swallowing DifficultyDr. Chang isExperienced. Learn about Swallowing Difficulty.
- ThrombectomyDr. Chang isExperienced. Learn about Thrombectomy.
- Trichohepatoenteric SyndromeDr. Chang isExperienced. Learn about Trichohepatoenteric Syndrome.
- VisceromegalyDr. Chang isExperienced. Learn about Visceromegaly.
View All 27 Experienced Conditions
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