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

Karl Stuart Tjerandsen, MD

Individual provider Internal Medicine Physician · NPI 1487077566

Karl Stuart Tjerandsen, MD is a Hospitalist in Walla Walla, Washington. Graduated from Oregon Health Sciences University School of Medicine in 2017, 9 years ago. Practices with Providence Health and Services - Washington, a 264-clinician group and accepts Medicare assignment. Licensed in Minnesota and Washington.

Years since qualifying
9
Trained at
Oregon Health Sciences University School of Medicine
Licensed in
MN, WA
In the registry since
2014
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

401 W Poplar St
Walla Walla, WA 99362-2846
Phone: (509) 897-3320
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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 MD61486738 (WA)
Internal Medicine Physician Taxonomy 207R00000X · Licence 66833 (MN)

Record details

NPI number1487077566
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJanuary 27, 2014
Last updated in NPPESMay 31, 2024
Certification dateMay 31, 2024
Mailing address401 W Poplar St, Walla Walla, WA 99362-2846

Medicare enrollment

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

Medicare specialtyHOSPITALIST
Medical schoolOREGON HEALTH SCIENCES UNIVERSITY SCHOOL OF MEDICINE
Graduated 2017 (9 years in practice)
Group practice Providence Health And Services - Washington — 264 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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