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

Donghyun Koo DDS PC

Organization Dentist · NPI 1134060957

Donghyun Koo DDS PC is a Dentist in Seattle, Washington. Registered with an NPI since 2026.

In the registry since
2026
What do these letters mean?
PC — Professional corporation
A form of business registration, not a clinical qualification.

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Practice location Address checks out

2001 8th Ave Ste 130
Seattle, WA 98121-3922
Phone: (206) 552-0201
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Dentist (primary) Taxonomy 122300000X

Record details

NPI number1134060957
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Donghyun Koo — President · (571) 528-7767
NPI enumeratedApril 4, 2026
Last updated in NPPESApril 4, 2026
Certification dateApril 3, 2026
Mailing address2001 8th Ave Ste 130, Seattle, WA 98121-3922

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