Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Chun-Yang Michael Chang, MD

Individual provider Gastroenterology Physician · NPI 1033106034

Chun-Yang Michael Chang, MD is a Gastroenterology in Oregon City, Oregon. Graduated from Baylor College of Medicine in 1996, 30 years ago. Practices with The Oregon Clinic, PC, a 352-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in Oregon.

Years since qualifying
30
Trained at
Baylor College of Medicine
Licensed in
OR
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

1508 Division St Ste 15
Oregon City, OR 97045-1582
Phone: (503) 692-3750
Fax: (503) 691-2324
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 19250 Sw 90th Ave, Tualatin, OR 97062-7585 — (503) 692-3750

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence MD23576 (OR)

Record details

NPI number1033106034
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 4, 2005
Last updated in NPPESNovember 28, 2023
Certification dateNovember 28, 2023

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyGASTROENTEROLOGY
Medical schoolBAYLOR COLLEGE OF MEDICINE
Graduated 1996 (30 years in practice)
Group practice The Oregon Clinic, Pc — 352 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Oregon City