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

Dr. Geoffrey Devin Johnston, DDS

Individual provider Dentist · NPI 1518410364

Dr. Geoffrey Devin Johnston, DDS is a Dentist in Seattle, Washington. Licensed in Washington. Registered with an NPI since 2016.

Licensed in
WA
In the registry since
2016
What do these letters mean?
DDS — Doctor of Dental Surgery
A dentist. DDS and DMD are the same qualification — universities choose which title to award.

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Practice location Address checks out

4150 California Ave SW
Seattle, WA 98116-4102
Phone: (206) 935-1855
Fax: (206) 937-3996
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Dentist (primary) Taxonomy 122300000X · Licence DE60671571 (WA)

Record details

NPI number1518410364
Entity typeIndividual (Type 1)
GenderMale
Credentials DDS
Sole proprietorNo
NPI enumeratedJuly 28, 2016
Last updated in NPPESAugust 24, 2018

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