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Internist, Gastroenterologist (digestive)
20 years of experience
License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Learn more about Dr. Aileen Chang:

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Specialties & Research

Dr. Aileen Chang, MD is board certified in Internal Medicine and Gastroenterology.

  • She has special expertise in 5 areas:
  • Acid Reflux Disease (Gastroesophageal Reflux / GERD)
  • Constipation
  • Hepatitis C
  • Irritable Bowel Syndrome (IBS)
  • Ulcerative Colitis

Education & Awards

Dr. Chang graduated from State University of New York at Buffalo.


Dr. Chang has 5 hospital affiliations:

  • Southwest Washington Medical Center 
  • Providence St Vincent Medical Center 


  • Mandarin
  • English

> > > > Dr. Aileen Chang, MD

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Additional Information
Dr. Aileen Der-Huei Chang MD is a female Internist, has 20 years of experience and practices in Internal Medicine and Gastroenterology.
Where does Dr. Aileen D. Chang practice?
Dr. Aileen Chang has 2 office locations.
Dr. Aileen Chang practices Internal Medicine and Gastroenterology near Clackamas, OR.
Additional practice locations include: Vancouver, WA.
See Clackamas Internists and Clackamas Gastroenterologists.