Chun-Yang Michael Chang, MD
Gastroenterology Internal Medicine
Chun-Yang Michael Chang is a Gastroenterology Internal Medicine specialist based in Oregon City, OR with over 30 years of clinical experience. Offers virtual telehealth visits.
Chun-Yang Michael Chang, MD has been part of the Oregon City medical community since 2005 in group practice. He graduated from Baylor College of Medicine in 1996 and has 30+ years of clinical experience. He regularly sees Medicare patients with high cholesterol, hypertension, and arthritis (per CMS claims data).
At a glance
- Uses generic medications more than 28% of reporting doctors in Oregon
- Virtual visits available — no app or travel required
Older · 908dNPPES updated 2023-11-28 · verify NPI on CMS · Verify license at Oregon Medical Board
Contact & Location
Practice Location
1508 Division St Ste 15, Oregon City, OR 97045-1582
What This Doctor Treats Most
Based on Medicare claims data — here's what patients commonly see this doctor for
Based on Medicare data, this doctor primarily manages High Cholesterol, Hypertension, and Arthritis.
Elevated cholesterol or triglycerides that increase heart disease risk
US avg: 70.4%↓ Fewer patients than average (-11%) — less common here
High blood pressure — a leading risk factor for heart disease and stroke
US avg: 70.2%↓ Fewer patients than average (-15%) — less common here
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↓ Fewer patients than average (-9%) — less common here
Conditions affecting emotional state, including depression and bipolar disorder
A mood disorder causing persistent sadness and loss of interest in activities
US avg: 31.8%↓ Fewer patients than average (-6%) — less common here
Excessive worry or fear that interferes with daily life
US avg: 34.1%↓ Fewer patients than average (-8%) — less common here
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 1996
Baylor College of Medicine
Board certified · Nov 27, 2023
Self-reported via NPPES
30 years in practice
Senior practitioner
Gastroenterologists diagnose and treat digestive system disorders including GERD, irritable bowel syndrome (IBS), inflammatory bowel disease (Crohn's, ulcerative colitis), liver disease, pancreatitis, and colon polyps. They perform endoscopies and colonoscopies.
Taxonomy: 207RG0100X
Education & Training
Baylor College of Medicine (Class of 1996)
Mailing address
541 Ne 20th Ave Ste 225, Portland, OR 97232-2895
Differs from practice location
Virtual Internal Medicine Care With Chun-Yang Michael Chang
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Chun-Yang Michael Chang for cholesterol management, blood pressure monitoring, arthritis follow-ups — no travel to Oregon City required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes.
Frequently Asked Questions
Common questions about Chun-Yang Michael Chang
NPI records show Dr. Chang as active with telehealth listed in Oregon City, OR. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (503) 692-3750.
Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Physician Comparator. See Data Methodology.
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Medical Disclaimer: NPI Telehealth is a provider directory for informational purposes only. This page does not constitute medical advice, diagnosis, or treatment recommendations. Provider data is sourced from the CMS NPPES federal registry and public Medicare datasets. NPI Telehealth does not verify clinical qualifications beyond federal records. Data may not reflect real-time availability — always contact the provider's office directly to confirm details before seeking care.
Contact Chun-Yang Michael Chang
Practice Location
1508 Division St Ste 15, Oregon City, OR 97045-1582
Mailing Address
541 Ne 20th Ave Ste 225, Portland, OR 97232-2895
This is a provider directory. Contact the office directly to schedule appointments.
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