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

Stephen Lumin Chen, MD

Individual provider Gastroenterology Physician · NPI 1831221837

Stephen Lumin Chen, MD is a Gastroenterology in Tualatin, Oregon. Graduated from University of Chicago, Pritzker School of Medicine in 2001, 25 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
25
Trained at
University of Chicago, Pritzker School of Medicine
Licensed in
OR
In the registry since
2007
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

19250 SW 90th Ave
Tualatin, OR 97062-7585
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)

  • 879 N Providence Dr, Newberg, OR 97132-7563 — (503) 692-3750

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence MD27258 (OR)

Record details

NPI number1831221837
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 12, 2007
Last updated in NPPESNovember 28, 2023
Certification dateNovember 28, 2023
Mailing address541 Ne 20th Ave Ste 225, Portland, OR 97232-2895

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Medical schoolUNIVERSITY OF CHICAGO, PRITZKER SCHOOL OF MEDICINE
Graduated 2001 (25 years in practice)
Group practice The Oregon Clinic, Pc — 352 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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