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

Dr. Ethan V Janson, DDS

Individual provider General Practice Dentistry · NPI 1174717466

Dr. Ethan V Janson, DDS is a General Practice Dentistry in Seattle, Washington. Practices as a sole proprietor. Licensed in Washington.

Licensed in
WA
In the registry since
2007
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.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

1325 4th Ave Ste 1227
Seattle, WA 98101-2573
Phone: (206) 623-0809
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

General Practice Dentistry (primary) Taxonomy 1223G0001X · Licence DE00008245 (WA)

Record details

NPI number1174717466
Entity typeIndividual (Type 1)
GenderMale
Credentials DDS
Sole proprietorYes
NPI enumeratedAugust 30, 2007
Last updated in NPPESAugust 30, 2007
Mailing address1325 4th Ave, Suite 1227, Seattle, WA 98101-2573

Other providers in Seattle