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

Washington I Kohnke, DMD

Individual provider General Practice Dentistry · NPI 1407936107

Washington I Kohnke, DMD is a General Practice Dentistry in Lake Oswego, Oregon. Practices as a sole proprietor. Licensed in Oregon.

Licensed in
OR
In the registry since
2006
What do these letters mean?
DMD — Doctor of Dental Medicine
A dentist. Identical training and licensing to a DDS.

See every abbreviation used in this directory →

Practice location Address checks out

601 First St
Lake Oswego, OR 97034-2328
Phone: (503) 636-2300
Fax: (503) 635-6682
Show map & directions

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

Specialties & licences

General Practice Dentistry (primary) Taxonomy 1223G0001X · Licence D4740 (OR)

Record details

NPI number1407936107
Entity typeIndividual (Type 1)
GenderMale
Credentials DMD
Sole proprietorYes
NPI enumeratedOctober 17, 2006
Last updated in NPPESJuly 8, 2007
Mailing address601 First St, Lake Oswego, OR 97034-2328

Other providers in Lake Oswego