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Internist, Gastroenterologist (digestive), Hepatologist
12 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. Michael Chang:

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  1. Qualifications
  2. What's important to you

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Patient Reviews

Patient comments (0)

The overall average patient rating of Dr. Michael Chang is Excellent. Dr. Chang has been reviewed by 4 patients who have provided 0 comments. The rating is 5 out of 5 stars.

Patient Ratings
Ease of Appointment 3.7
Promptness 3.7
Courteous Staff 3.7
Accurate Diagnosis 5.0
Bedside Manner 5.0
Spends Time with Me 5.0
Follows Up After Visit 5.0

Specialties & Research

Dr. Michael Chang, MD is board certified in Internal Medicine and 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 Boston University .


Dr. Chang has 3 hospital affiliations:

  • Brockton Hosp, Brockton, Ma 
  • OHSU Hospital 
  • Veterans Affairs Medical Center - Portland 

> > > > Dr. Michael Chang, MD

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