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

Margaret Wilson Johnston, DDS

Individual provider General Practice Dentistry · NPI 1144390238

Margaret Wilson Johnston, DDS is a General Practice Dentistry in Seattle, Washington. Licensed in Washington. Registered with an NPI since 2006.

Licensed in
WA
In the registry since
2006
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

133 Dexter Ave N
Seattle, WA 98109-5103
Phone: (206) 324-5453
Fax: (206) 323-2872
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

General Practice Dentistry (primary) Taxonomy 1223G0001X · Licence DE00006302 (WA)

Record details

NPI number1144390238
Entity typeIndividual (Type 1)
GenderFemale
Credentials DDS
Sole proprietorNo
NPI enumeratedNovember 8, 2006
Last updated in NPPESAugust 24, 2015

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