Overview
Alan Chang is a Gastroenterologist practicing medicine in Doylestown, Pennsylvania.
Dr. Chang is highly rated in 24 conditions, according to our data. His clinical expertise encompasses Colitis, Familial Adenomatous Polyposis, Barrett Esophagus, Gastrectomy, and Colonoscopy.
Dr. Chang is board certified in Gastroenterology, 2004. Dr. Chang is currently accepting new patients.
Specialties
Licenses
Board Certifications
Fellowships
Hospital Affiliations
Languages Spoken
Gender
Insurance
Accepted insurance can change. Please verify directly with the provider.
Accepted insurance plans:
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- POS
- PPO
- MEDICARE PDP
- EPO
- HMO
- POS
- PPO
- EPO
- INSURANCE PLAN
- MEDICARE MAPD
- MEDICARE PDP
- OTHER COMMERCIAL
- OTHER MEDICARE
- PPO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- OTHER MEDICARE PART D
- PPO
- HMO
- POS
- PPO
- EPO
- HMO
- PPO
- INSURANCE PLAN
- MEDICARE MAPD
- MEDICARE MAPD
- OTHER MEDICARE
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- OTHER COMMERCIAL
- OTHER MEDICARE PART D
- HMO
- POS
- PPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- PPO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE SNP
- POS
- PPO
- EPO
- HMO
- PPO
- EPO
- POS
- HMO
- INDEMNITY
- POS
- PPO
- EPO
- POS
- PPO
- OTHER MANAGED MEDICAID
- OTHER MEDICAID
- STATE MEDICAID
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER MEDICARE PART D
- EPO
- HMO
- PPO
- OTHER COMMERCIAL
- EPO
- HMO
- POS
- PPO
- EPO
- PPO
- EPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER MEDICARE
- OTHER MEDICARE PART D
Locations
599 West State Street, Suite 200, Doylestown, PA 18901
Additional Areas of Focus
Dr. Chang has provided the following conditions as areas of focus. Please note that we may not have enough data to validate their experience in some of these conditions.
University Of Pennsylvania
Gary Falk is a Gastroenterologist practicing medicine in Philadelphia, Pennsylvania. Dr. Falk is highly rated in 18 conditions, according to our data. His clinical expertise encompasses Barrett Esophagus, Eosinophilic Esophagitis, Esophagitis, Endoscopy, and Colonoscopy.
Penn Gastroenterology Perelman
Gary Lichtenstein is a Gastroenterologist practicing medicine in Philadelphia, Pennsylvania. Dr. Lichtenstein is highly rated in 17 conditions, according to our data. His clinical expertise encompasses Ulcerative Colitis, Viral Gastroenteritis, Crohn's Disease, Endoscopy, and Colonoscopy. Dr. Lichtenstein is board certified in Gastroenterology, 1989 and Internal Medicine, 1987. Dr. Lichtenstein is currently accepting new patients.
599 W State Street
David Sass is a Gastroenterologist and a Hepatologist practicing medicine in Doylestown, Pennsylvania. Dr. Sass is highly rated in 22 conditions, according to our data. His clinical expertise encompasses Ascites, Enlarged Liver, Hepatitis, Liver Transplant, and Endoscopy. Dr. Sass is board certified in Transplant Hepatology and Gastroenterology. Dr. Sass is currently accepting new patients.
Frequently Asked Questions about Dr. Alan W. Chang
How do I make an appointment with Dr. Alan W. Chang?
You can book an appointment with Dr. Alan W. Chang by calling their office at 800-789-7366. MediFind provides direct contact information so you can schedule visits, second opinions, or consultations without navigating third-party calendars.
Is Dr. Alan W. Chang a top-rated expert for Colitis?
MediFind is an objective health platform that identifies experts based on real-world data. Dr. Alan W. Chang is classified as an Distinguished expert for Colitis, meaning they are among the top experts in the country for this condition. This ranking is based on their volume of patients, published research, and peer connections.
What conditions does Dr. Alan W. Chang specialize in?
While Dr. Alan W. Chang is a Gastroenterology, they have specific expertise in Colitis, Familial Adenomatous Polyposis, and Barrett Esophagus. MediFind analyzes a doctor's articles and referral patterns to identify their specific areas of focus within Gastroenterology.
Does Dr. Alan W. Chang accept my insurance?
Dr. Alan W. Chang accepts most major insurance plans, including Aetna and Anthem BCBS. We recommend calling the office directly at 800-789-7366 to verify that your specific plan is currently accepted before your visit.
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
- Distinguished
- ColitisDr. Chang isDistinguished. Learn about Colitis.
- Advanced
- Acute PancreatitisDr. Chang isAdvanced. Learn about Acute Pancreatitis.
- Angiodysplasia of the ColonDr. Chang isAdvanced. Learn about Angiodysplasia of the Colon.
- Bacterial GastroenteritisDr. Chang isAdvanced. Learn about Bacterial Gastroenteritis.
- Barrett EsophagusDr. Chang isAdvanced. Learn about Barrett Esophagus.
- Benign Esophageal StrictureDr. Chang isAdvanced. Learn about Benign Esophageal Stricture.
- Celiac DiseaseDr. Chang isAdvanced. Learn about Celiac Disease.
- Crohn's DiseaseDr. Chang isAdvanced. Learn about Crohn's Disease.
- DiarrheaDr. Chang isAdvanced. Learn about Diarrhea.
- Diverticular DiseaseDr. Chang isAdvanced. Learn about Diverticular Disease.
- EsophagitisDr. Chang isAdvanced. Learn about Esophagitis.
- Familial Adenomatous PolyposisDr. Chang isAdvanced. Learn about Familial Adenomatous Polyposis.
- Gardner SyndromeDr. Chang isAdvanced. Learn about Gardner Syndrome.
- Gastroesophageal Reflux Disease (GERD)
- Gastrointestinal BleedingDr. Chang isAdvanced. Learn about Gastrointestinal Bleeding.
- HeartburnDr. Chang isAdvanced. Learn about Heartburn.
- Hemorrhagic ProctocolitisDr. Chang isAdvanced. Learn about Hemorrhagic Proctocolitis.
- Lower Esophageal RingDr. Chang isAdvanced. Learn about Lower Esophageal Ring.
- Painful SwallowingDr. Chang isAdvanced. Learn about Painful Swallowing.
- Swallowing DifficultyDr. Chang isAdvanced. Learn about Swallowing Difficulty.
- Trichohepatoenteric SyndromeDr. Chang isAdvanced. Learn about Trichohepatoenteric Syndrome.
- Turcot SyndromeDr. Chang isAdvanced. Learn about Turcot Syndrome.
- Ulcerative ColitisDr. Chang isAdvanced. Learn about Ulcerative Colitis.
- Viral GastroenteritisDr. Chang isAdvanced. Learn about Viral Gastroenteritis.
- Experienced
- Alcoholic CirrhosisDr. Chang isExperienced. Learn about Alcoholic Cirrhosis.
- AnemiaDr. Chang isExperienced. Learn about Anemia.
- AscitesDr. Chang isExperienced. Learn about Ascites.
- Attenuated Familial Adenomatous Polyposis
- Banti's SyndromeDr. Chang isExperienced. Learn about Banti's Syndrome.
- Bile Acid MalabsorptionDr. Chang isExperienced. Learn about Bile Acid Malabsorption.
- Bowel IncontinenceDr. Chang isExperienced. Learn about Bowel Incontinence.
- Caroli DiseaseDr. Chang isExperienced. Learn about Caroli Disease.
- Childhood PancreatitisDr. Chang isExperienced. Learn about Childhood Pancreatitis.
- Childhood VolvulusDr. Chang isExperienced. Learn about Childhood Volvulus.
- CholangitisDr. Chang isExperienced. Learn about Cholangitis.
- CholedocholithiasisDr. Chang isExperienced. Learn about Choledocholithiasis.
- Chronic Erosive GastritisDr. Chang isExperienced. Learn about Chronic Erosive Gastritis.
- Chronic Idiopathic Constipation (CIC)Dr. Chang isExperienced. Learn about Chronic Idiopathic Constipation (CIC).
- Chronic PancreatitisDr. Chang isExperienced. Learn about Chronic Pancreatitis.
- CirrhosisDr. Chang isExperienced. Learn about Cirrhosis.
- Collagenous ColitisDr. Chang isExperienced. Learn about Collagenous Colitis.
- Colonic MalakoplakiaDr. Chang isExperienced. Learn about Colonic Malakoplakia.
- ColonoscopyDr. Chang isExperienced. Learn about Colonoscopy.
- Colorectal CancerDr. Chang isExperienced. Learn about Colorectal Cancer.
- Congenital Diaphragmatic HerniaDr. Chang isExperienced. Learn about Congenital Diaphragmatic Hernia.
- Cronkhite-Canada DiseaseDr. Chang isExperienced. Learn about Cronkhite-Canada Disease.
- EncopresisDr. Chang isExperienced. Learn about Encopresis.
- EndoscopyDr. Chang isExperienced. Learn about Endoscopy.
- Enlarged LiverDr. Chang isExperienced. Learn about Enlarged Liver.
- Eosinophilic ColitisDr. Chang isExperienced. Learn about Eosinophilic Colitis.
- Eosinophilic EsophagitisDr. Chang isExperienced. Learn about Eosinophilic Esophagitis.
- Esophageal VaricesDr. Chang isExperienced. Learn about Esophageal Varices.
- Familial Colorectal CancerDr. Chang isExperienced. Learn about Familial Colorectal Cancer.
- Familial Pancreatic CancerDr. Chang isExperienced. Learn about Familial Pancreatic Cancer.
- Fecal ImpactionDr. Chang isExperienced. Learn about Fecal Impaction.
- Gallbladder DiseaseDr. Chang isExperienced. Learn about Gallbladder Disease.
- GallstonesDr. Chang isExperienced. Learn about Gallstones.
- Gas Bloat SyndromeDr. Chang isExperienced. Learn about Gas Bloat Syndrome.
- GastrectomyDr. Chang isExperienced. Learn about Gastrectomy.
- Gastric DysmotilityDr. Chang isExperienced. Learn about Gastric Dysmotility.
- GastritisDr. Chang isExperienced. Learn about Gastritis.
- GastroparesisDr. Chang isExperienced. Learn about Gastroparesis.
- GastrostomyDr. Chang isExperienced. Learn about Gastrostomy.
- Helicobacter Pylori InfectionDr. Chang isExperienced. Learn about Helicobacter Pylori Infection.
- HemorrhoidsDr. Chang isExperienced. Learn about Hemorrhoids.
- Hepatic Cystic HamartomaDr. Chang isExperienced. Learn about Hepatic Cystic Hamartoma.
- HepatitisDr. Chang isExperienced. Learn about Hepatitis.
- Hepatitis BDr. Chang isExperienced. Learn about Hepatitis B.
- Hepatitis CDr. Chang isExperienced. Learn about Hepatitis C.
- Hereditary PancreatitisDr. Chang isExperienced. Learn about Hereditary Pancreatitis.
- Hiatal HerniaDr. Chang isExperienced. Learn about Hiatal Hernia.
- IndigestionDr. Chang isExperienced. Learn about Indigestion.
- Intestinal CancerDr. Chang isExperienced. Learn about Intestinal Cancer.
- Irritable Bowel Syndrome (IBS)Dr. Chang isExperienced. Learn about Irritable Bowel Syndrome (IBS).
- 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.
- MacroamylasemiaDr. Chang isExperienced. Learn about Macroamylasemia.
- Mallory-Weiss SyndromeDr. Chang isExperienced. Learn about Mallory-Weiss Syndrome.
- MalnutritionDr. Chang isExperienced. Learn about Malnutrition.
- Menetrier DiseaseDr. Chang isExperienced. Learn about Menetrier Disease.
- Mesenteric Artery IschemiaDr. Chang isExperienced. Learn about Mesenteric Artery Ischemia.
- Morning SicknessDr. Chang isExperienced. Learn about Morning Sickness.
- Necrotizing EnterocolitisDr. Chang isExperienced. Learn about Necrotizing Enterocolitis.
- Non-Alcoholic Fatty Liver DiseaseDr. Chang isExperienced. Learn about Non-Alcoholic Fatty Liver Disease.
- Nonalcoholic Steatohepatitis (NASH)Dr. Chang isExperienced. Learn about Nonalcoholic Steatohepatitis (NASH).
- Pancreatic CancerDr. Chang isExperienced. Learn about Pancreatic Cancer.
- Portal HypertensionDr. Chang isExperienced. Learn about Portal Hypertension.
- Primary Biliary CholangitisDr. Chang isExperienced. Learn about Primary Biliary Cholangitis.
- ProctitisDr. Chang isExperienced. Learn about Proctitis.
- Progressive Familial Intrahepatic Cholestasis Type 1
- Progressive Familial Intrahepatic Cholestasis Type 2
- Progressive Familial Intrahepatic Cholestasis Type 3
- Protein DeficiencyDr. Chang isExperienced. Learn about Protein Deficiency.
- Pseudomembranous ColitisDr. Chang isExperienced. Learn about Pseudomembranous Colitis.
- Reynolds SyndromeDr. Chang isExperienced. Learn about Reynolds Syndrome.
- Sclerosing CholangitisDr. Chang isExperienced. Learn about Sclerosing Cholangitis.
- Sclerosing MesenteritisDr. Chang isExperienced. Learn about Sclerosing Mesenteritis.
- Spontaneous Bacterial PeritonitisDr. Chang isExperienced. Learn about Spontaneous Bacterial Peritonitis.
- Stomach CancerDr. Chang isExperienced. Learn about Stomach Cancer.
- TenesmusDr. Chang isExperienced. Learn about Tenesmus.
- VisceromegalyDr. Chang isExperienced. Learn about Visceromegaly.
- Watermelon StomachDr. Chang isExperienced. Learn about Watermelon Stomach.

