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

Dr. Wijan Prapong, MD

Individual provider Internal Medicine Physician · NPI 1184804437

Dr. Wijan Prapong, MD is an Internal Medicine in Portland, Oregon. Graduated from Stanford University School of Medicine in 2006, 20 years ago. Practices with Kaiser Foundation Health Plan of the Northwest, a 1,811-clinician group and accepts Medicare assignment. Licensed in California and Oregon.

Years since qualifying
20
Trained at
Stanford University School of Medicine
Licensed in
CA, OR
In the registry since
2007
Specialties on file
2
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

19500 SE Stark St
Portland, OR 97233-5757
Phone: (503) 669-3900
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence MD126187 (OR)
Internal Medicine Physician Taxonomy 207R00000X · Licence A101420 (CA)

Record details

NPI number1184804437
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedNovember 4, 2007
Last updated in NPPESAugust 19, 2009

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolSTANFORD UNIVERSITY SCHOOL OF MEDICINE
Graduated 2006 (20 years in practice)
Group practice Kaiser Foundation Health Plan Of The Northwest — 1811 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

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