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

Peterson Tsai, DO

Individual provider General Practice Physician · NPI 1629054879

Peterson Tsai, DO is a Family Practice in Vancouver, Washington. Graduated from University of North Texas Hsc, College of Osteopathic Med in 2001, 25 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 California, Oregon and Washington.

Years since qualifying
25
Trained at
University of North Texas Hsc, College of Osteopathic Med
Licensed in
CA, OR, WA
In the registry since
2005
Specialties on file
3
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

7101 NE 137th Ave
Vancouver, WA 98682-4933
Phone: (800) 813-2000
Show map & directions

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

Additional practice locations (1)

  • 23622 Calabasas Rd, Calabasas, CA 91302-1549 — (818) 591-3534

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence OP60022449 (WA)
General Practice Physician Taxonomy 208D00000X · Licence 20A8341 (CA)
Family Medicine Physician Taxonomy 207Q00000X · Licence DO25814 (OR)

Record details

NPI number1629054879
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedDecember 20, 2005
Last updated in NPPESFebruary 13, 2026
Certification dateFebruary 13, 2026
Mailing address500 Ne Multnomah St Ste 100, Portland, OR 97232-2031

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolUNIVERSITY OF NORTH TEXAS HSC, COLLEGE OF OSTEOPATHIC MED
Graduated 2001 (25 years in practice)
Group practice Kaiser Foundation Health Plan Of The Northwest — 1811 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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