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
- Congenital Diaphragmatic HerniaDr. Chang isAdvanced. Learn about Congenital Diaphragmatic Hernia.
- Diaphragmatic HerniaDr. Chang isAdvanced. Learn about Diaphragmatic Hernia.
- GastrectomyDr. Chang isAdvanced. Learn about Gastrectomy.
- Gastroesophageal Reflux Disease (GERD)
- HerniaDr. Chang isAdvanced. Learn about Hernia.
- Hiatal HerniaDr. Chang isAdvanced. Learn about Hiatal Hernia.
View All 8 Advanced Conditions
- Experienced
- EsophagitisDr. Chang isExperienced. Learn about Esophagitis.
- Hernia SurgeryDr. Chang isExperienced. Learn about Hernia Surgery.
- Obesity in ChildrenDr. Chang isExperienced. Learn about Obesity in Children.
Want to save this doctor for later?
Is this your doctor?
Not sure about your diagnosis?
Are you the provider on this profile?