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

Donghyun Koo

Individual provider Dentist · NPI 1366875957

Donghyun Koo is a Dentist in Seattle, Washington. Practices as a sole proprietor and works from 2 locations. Licensed in Washington.

Licensed in
WA
In the registry since
2013
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Practice location Address checks out

9776 Holman Rd NW Ste 110
Seattle, WA 98117-2000
Phone: (206) 783-3000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 3900 E Valley Rd Ste 203, Renton, WA 98057-4954 — (425) 264-0044

Specialties & licences

Dentist (primary) Taxonomy 122300000X · Licence DE60822196 (WA)

Record details

NPI number1366875957
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorYes
NPI enumeratedAugust 19, 2013
Last updated in NPPESJanuary 27, 2025
Certification dateJanuary 27, 2025
Mailing address8476 Simonds Street Ste 5700, Fort George G. Meade, MD 20755-5700

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