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

Dr. Weitian Liu, MD, PHD

Individual provider Gastroenterology Physician · NPI 1225254436

Dr. Weitian Liu, MD, PHD is a Gastroenterology in Hillsboro, Oregon. Qualified in 1989, 37 years ago. Practices with Kaiser Foundation Health Plan of the Northwest, a 1,811-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Oregon.

Years since qualifying
37
Licensed in
OR
In the registry since
2007
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

2875 NE Stucki Ave
Hillsboro, OR 97124-5806
Phone: (800) 813-2000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 75 Francis St, Boston, MA 02115-6110 — (617) 203-5474

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence MD28090 (OR)

Record details

NPI number1225254436
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , PHD
Sole proprietorNo
NPI enumeratedApril 17, 2007
Last updated in NPPESJanuary 5, 2026
Certification dateJanuary 5, 2026
Mailing address500 Ne Multnomah St Ste 100, Portland, OR 97232-2099

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Medical schoolOTHER
Graduated 1989 (37 years in practice)
Group practice Kaiser Foundation Health Plan Of The Northwest — 1811 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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