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
ConditionClose
- Advanced
- CholedocholithiasisDr. Chang isAdvanced. Learn about Choledocholithiasis.
- GastrectomyDr. Chang isAdvanced. Learn about Gastrectomy.
- Hiatal HerniaDr. Chang isAdvanced. Learn about Hiatal Hernia.
- ObesityDr. Chang isAdvanced. Learn about Obesity.
- Short Bowel SyndromeDr. Chang isAdvanced. Learn about Short Bowel Syndrome.
- Experienced
- Diaphragmatic HerniaDr. Chang isExperienced. Learn about Diaphragmatic Hernia.
- EndoscopyDr. Chang isExperienced. Learn about Endoscopy.
- EsophagitisDr. Chang isExperienced. Learn about Esophagitis.
- Gallbladder RemovalDr. Chang isExperienced. Learn about Gallbladder Removal.
- Gastric BypassDr. Chang isExperienced. Learn about Gastric Bypass.
- Gastroesophageal Reflux Disease (GERD)
View All 13 Experienced Conditions
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