Browse Health
Internist, Gastroenterologist (digestive)
12 years of experience
Accepting new patients
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).

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Specialties & Research

Dr. Peter Chang, DO, MD is board certified in Gastroenterology.

  • He 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 Nova Southeastern University , Davie.


Dr. Chang has 6 hospital affiliations:

  • Providence St Vincent Medical Center 
  • Legacy Emanuel Hospital & Health Ctr 


  • Korean
  • English

> > > > Dr. Peter Chang, DO, MD

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Additional Information
Dr. Peter H Chang DO and MD is a male Internist, has 12 years of experience and practices in Internal Medicine and Gastroenterology.
Where does Dr. Peter H. Chang practice?
Dr. Peter Chang has 1 office location.
Dr. Peter Chang practices Internal Medicine and Gastroenterology near Portland, OR.
See Portland Internists and Portland Gastroenterologists.