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Dean Chang, MD

Dean Chang, MD

Dr. Chang practices in our Hamden Office. He is affiliated with Yale-New Haven Hospital/Saint Raphael Campus, Milford Hospital, Midstate Medical Center, Masonic Geriatric Hospital and Yale New Haven Hospital.



  • Reflux / Barret's Esophagus /GERD *
  • Celiac Disease *
  • Crohn's and Colitis
  • Colorectal Cancer Screening
  • Diseases of a Small Bowel
  • Eosinophilic Esophagitis
  • Irritable Bowel Syndrome
  • Pancreatic Disease
  • Liver Disorders/Hepatitis *

* Denotes Special Interest

Dr. Chang was born in Taipei, Taiwan and attended Johns Hopkins University in Maryland where he graduated with a Bachelor of Arts Degree in Chemistry. He then received his M.D. and Ph.D. from the University of Michigan Medical School. From there, he completed his internship and residency in Internal Medicine and his Gastroenterology fellowship at the Yale University School of Medicine.

Dr. Chang joined GCC in 1999 and his special interests include colon cancer, liver disease, inflammatory bowel disease and diarrheal illness.


Doctor of Medicine, 1990
University of Michigan Medical School

Bachelor of Arts in Chemistry, 1986
Johns Hopkins University


Board Certified Gastroenterology, 1995, 2011
Board Certified Internal Medicine, 1999


Clinical Fellowship, 1993-1996
Department of Digestive Diseases

Yale University School of Medicine
Internal Medicine Residency, 1990-1993
Yale University School of Medicine
Yale-New Haven Hospital


American Gastroenterological Association
New Haven County Medical Association

Main 203-281-4463 | PACT Billing 203-488-7228 ext 1 | Endoscopy Billing 203-281-2918 | Fax 203-287-2930

GCC a Division of PACT

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