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C.Y. Michael Chang, M.D.


Specialty: Gastroenterology, Board-certified

Clinical Interests: Colon Cancer Screening, Colonoscopy, Esophageal Disease, Hepatitis, Inflammatory Bowel Disease, Liver Disease, Video Capsule Endoscopy

Languages: English, Interpreters available for other languages

Gender: Male


Dr. Chang graduated cum laude from UCLA where he double majored in microbiology and economics. He received his medical degree from Baylor College of Medicine and completed his internal medicine residency at the University of California, Irvine. Dr. Chang pursued advanced training in gastroenterology and hepatology at Mount Sinai Medical Center in New York and joined Gastroenterology Specialists of Oregon in 2002. Dr. Chang is board certified in internal medicine and gastroenterology and is proficient in all endoscopic procedures including capsule endoscopy. Dr. Chang serves on the Medical Care Advisory Board at Willamette Falls Hospital and the Medical Executive Committee at Legacy Meridian Park Hospital. Hobbies include: Spending time with my family, Traveling, Golfing, Tennis

Education and Certification

Year provider started practicing medicine: 1996

Practice Information

Primary Practice: Gastroenterology Specialists of Oregon


Provider practices at one or more Legacy Medical Group (LMG) Clinics: No

Legacy Health Partners


  1. Gastroenterology Specialists of Oregon
    • 19250 SW 90th Ave
    • Tualatin, OR 97062
    • Phone : 503 692-3750
    • Fax : 503 691-2324
  2. Gastroenterology Specialists of Oregon
    • 1508 Division St, Ste 15
    • Oregon City, OR 97045
    • Phone : 503 692-3750
    • Fax : 503 657-6502
  3. Legacy Meridian Park Medical Center
    • 19300 S.W. 65th Ave.
    • Tualatin, OR 97062
    • Phone : 503-692-1212