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

Ronald Jay Lew, MD

Individual provider Gastroenterology Physician · NPI 1265428619

Ronald Jay Lew, MD is a Gastroenterology in Tualatin, Oregon. Graduated from New York University School of Medicine in 1995, 31 years ago. Practices with The Oregon Clinic, PC, a 352-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Oregon.

Years since qualifying
31
Trained at
New York University School 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.

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

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence MD23520 (OR)

Record details

NPI number1265428619
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 21, 2005
Last updated in NPPESDecember 1, 2021
Certification dateDecember 1, 2021
Mailing address847 Ne 19th Ave, Suite 300, Portland, OR 97232-2684

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Medical schoolNEW YORK UNIVERSITY SCHOOL OF MEDICINE
Graduated 1995 (31 years in practice)
Group practice The Oregon Clinic, Pc — 352 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations4 on file with Medicare

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