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
- Distinguished
- Barrett EsophagusDr. Chang isDistinguished. Learn about Barrett Esophagus.
- Eosinophilic ColitisDr. Chang isDistinguished. Learn about Eosinophilic Colitis.
- Advanced
- Benign Esophageal StrictureDr. Chang isAdvanced. Learn about Benign Esophageal Stricture.
- Chronic Erosive GastritisDr. Chang isAdvanced. Learn about Chronic Erosive Gastritis.
- Diverticular DiseaseDr. Chang isAdvanced. Learn about Diverticular Disease.
- Familial Adenomatous PolyposisDr. Chang isAdvanced. Learn about Familial Adenomatous Polyposis.
- Gardner SyndromeDr. Chang isAdvanced. Learn about Gardner Syndrome.
- Gastric DysmotilityDr. Chang isAdvanced. Learn about Gastric Dysmotility.
- GastritisDr. Chang isAdvanced. Learn about Gastritis.
- Gastroesophageal Reflux Disease (GERD)
- HepatitisDr. Chang isAdvanced. Learn about Hepatitis.
- Hepatitis CDr. Chang isAdvanced. Learn about Hepatitis C.
- Intestinal CancerDr. Chang isAdvanced. Learn about Intestinal Cancer.
- Irritable Bowel Syndrome (IBS)Dr. Chang isAdvanced. Learn about Irritable Bowel Syndrome (IBS).
- Lower Esophageal RingDr. Chang isAdvanced. Learn about Lower Esophageal Ring.
- Turcot SyndromeDr. Chang isAdvanced. Learn about Turcot Syndrome.
- Ulcerative ColitisDr. Chang isAdvanced. Learn about Ulcerative Colitis.
View All 15 Advanced Conditions
- Experienced
- AchalasiaDr. Chang isExperienced. Learn about Achalasia.
- Alcoholic CirrhosisDr. Chang isExperienced. Learn about Alcoholic Cirrhosis.
- AnemiaDr. Chang isExperienced. Learn about Anemia.
- Angiodysplasia of the ColonDr. Chang isExperienced. Learn about Angiodysplasia of the Colon.
- AscitesDr. Chang isExperienced. Learn about Ascites.
- Attenuated Familial Adenomatous Polyposis
- Autoimmune HepatitisDr. Chang isExperienced. Learn about Autoimmune Hepatitis.
- Bacterial GastroenteritisDr. Chang isExperienced. Learn about Bacterial Gastroenteritis.
- Banti's SyndromeDr. Chang isExperienced. Learn about Banti's Syndrome.
- Bowel IncontinenceDr. Chang isExperienced. Learn about Bowel Incontinence.
- Campylobacter InfectionDr. Chang isExperienced. Learn about Campylobacter Infection.
- Childhood VolvulusDr. Chang isExperienced. Learn about Childhood Volvulus.
- CholedocholithiasisDr. Chang isExperienced. Learn about Choledocholithiasis.
- CirrhosisDr. Chang isExperienced. Learn about Cirrhosis.
- ColitisDr. Chang isExperienced. Learn about Colitis.
- Collagenous ColitisDr. Chang isExperienced. Learn about Collagenous Colitis.
- Colonic MalakoplakiaDr. Chang isExperienced. Learn about Colonic Malakoplakia.
- Congenital Diaphragmatic HerniaDr. Chang isExperienced. Learn about Congenital Diaphragmatic Hernia.
- Crohn's DiseaseDr. Chang isExperienced. Learn about Crohn's Disease.
- Cronkhite-Canada DiseaseDr. Chang isExperienced. Learn about Cronkhite-Canada Disease.
- DiarrheaDr. Chang isExperienced. Learn about Diarrhea.
- EndoscopyDr. Chang isExperienced. Learn about Endoscopy.
- Enlarged LiverDr. Chang isExperienced. Learn about Enlarged Liver.
- Eosinophilic EsophagitisDr. Chang isExperienced. Learn about Eosinophilic Esophagitis.
- Esophageal CancerDr. Chang isExperienced. Learn about Esophageal Cancer.
- Esophageal VaricesDr. Chang isExperienced. Learn about Esophageal Varices.
- EsophagitisDr. Chang isExperienced. Learn about Esophagitis.
- Familial Pancreatic CancerDr. Chang isExperienced. Learn about Familial Pancreatic Cancer.
- Gallbladder DiseaseDr. Chang isExperienced. Learn about Gallbladder Disease.
- GallstonesDr. Chang isExperienced. Learn about Gallstones.
- GastrectomyDr. Chang isExperienced. Learn about Gastrectomy.
- Gastrointestinal BleedingDr. Chang isExperienced. Learn about Gastrointestinal Bleeding.
- Helicobacter Pylori InfectionDr. Chang isExperienced. Learn about Helicobacter Pylori Infection.
- HemorrhoidsDr. Chang isExperienced. Learn about Hemorrhoids.
- Hiatal HerniaDr. Chang isExperienced. Learn about Hiatal Hernia.
- IndigestionDr. Chang isExperienced. Learn about Indigestion.
- JaundiceDr. Chang isExperienced. Learn about Jaundice.
- Juvenile Polyposis SyndromeDr. Chang isExperienced. Learn about Juvenile Polyposis Syndrome.
- Liver FailureDr. Chang isExperienced. Learn about Liver Failure.
- Lymphocytic ColitisDr. Chang isExperienced. Learn about Lymphocytic Colitis.
- Mallory-Weiss SyndromeDr. Chang isExperienced. Learn about Mallory-Weiss Syndrome.
- Menetrier DiseaseDr. Chang isExperienced. Learn about Menetrier Disease.
- Morning SicknessDr. Chang isExperienced. Learn about Morning Sickness.
- Necrotizing EnterocolitisDr. Chang isExperienced. Learn about Necrotizing Enterocolitis.
- Nonalcoholic Steatohepatitis (NASH)Dr. Chang isExperienced. Learn about Nonalcoholic Steatohepatitis (NASH).
- Painful SwallowingDr. Chang isExperienced. Learn about Painful Swallowing.
- Pancreatic CancerDr. Chang isExperienced. Learn about Pancreatic Cancer.
- Portal HypertensionDr. Chang isExperienced. Learn about Portal Hypertension.
- ProctitisDr. Chang isExperienced. Learn about Proctitis.
- Pseudomembranous ColitisDr. Chang isExperienced. Learn about Pseudomembranous Colitis.
- Stomach CancerDr. Chang isExperienced. Learn about Stomach Cancer.
- Swallowing DifficultyDr. Chang isExperienced. Learn about Swallowing Difficulty.
- Trichohepatoenteric SyndromeDr. Chang isExperienced. Learn about Trichohepatoenteric Syndrome.
- Viral GastroenteritisDr. Chang isExperienced. Learn about Viral Gastroenteritis.
- VisceromegalyDr. Chang isExperienced. Learn about Visceromegaly.
View All 55 Experienced Conditions
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