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

Dr. Katherine Jennifer Koss, MD

Individual provider Pediatrics Physician · NPI 1639232499

Dr. Katherine Jennifer Koss, MD is a Pediatrics Physician in Bellevue, Washington. Licensed in Washington. Registered with an NPI since 2006.

Licensed in
WA
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

13030 121st Way NE
Bellevue, WA 98034
Phone: (425) 814-5170
Fax: (425) 823-5826
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pediatrics Physician (primary) Taxonomy 208000000X · Licence MD60475519 (WA)

Record details

NPI number1639232499
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedDecember 19, 2006
Last updated in NPPESApril 10, 2023
Certification dateApril 10, 2023

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