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

D Koo DDS PC

Organization Dental Clinic/Center · NPI 1649873761

D Koo DDS PC is a Dental Clinic/Center in Seattle, Washington. Registered with an NPI since 2020.

In the registry since
2020
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

9776 Holman Rd NW Ste 110
Seattle, WA 98117-2000
Phone: (206) 783-3000
Show map & directions

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

Specialties & licences

Dental Clinic/Center (primary) Taxonomy 261QD0000X

Record details

NPI number1649873761
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Donghyun Koo — Owner · (571) 528-7767
Other names Best Dentistry
NPI enumeratedNovember 20, 2020
Last updated in NPPESNovember 20, 2020
Certification dateNovember 20, 2020
Mailing address9776 Holman Rd Nw Ste 110, Seattle, WA 98117-2000

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