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

Individual provider Internal Medicine Physician · NPI 1558387555

Richard Z Tsai, MD is an Internal Medicine in Portland, Oregon. Graduated from Washington University School of Medicine in 1998, 28 years ago. Practices with Providence Health and Services Oregon, a 1,426-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Oregon.

Years since qualifying
28
Trained at
Washington University School of Medicine
Licensed in
OR
In the registry since
2006
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

417 SW 117th Ave 2nd Fl
Portland, OR 97225-5924
Phone: (503) 216-9400
Fax: (503) 216-9499
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence MD22952 (OR)

Record details

NPI number1558387555
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 14, 2006
Last updated in NPPESMarch 25, 2021
Certification dateMarch 25, 2021

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolWASHINGTON UNIVERSITY SCHOOL OF MEDICINE
Graduated 1998 (28 years in practice)
Group practice Providence Health And Services Oregon — 1426 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

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