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

Dr. Dwight Layne Johnson, DMD, MS

Individual provider Periodontics · NPI 1043297153

Dr. Dwight Layne Johnson, DMD, MS is a Periodontics in Walla Walla, Washington. Licensed in Idaho, Utah and Washington. Registered with an NPI since 2005.

Licensed in
ID, UT, WA
In the registry since
2005
Specialties on file
3
What do these letters mean?
DMD — Doctor of Dental Medicine
A dentist. Identical training and licensing to a DDS.
MS — Master of Science
A graduate science degree.

See every abbreviation used in this directory →

Practice location Address checks out

1129 S 2nd Ave Ste D
Walla Walla, WA 99362-4100
Phone: (509) 516-1200
Fax: (509) 516-1209
Show map & directions

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

Specialties & licences

Periodontics (primary) Taxonomy 1223P0300X · Licence DE00010960 (WA)
Periodontics Taxonomy 1223P0300X · Licence D-3382 (ID)
Periodontics Taxonomy 1223P0300X · Licence 376097-9921 (UT)

Record details

NPI number1043297153
Entity typeIndividual (Type 1)
GenderMale
Credentials DMD , MS
Sole proprietorNo
NPI enumeratedDecember 29, 2005
Last updated in NPPESSeptember 14, 2022
Certification dateSeptember 14, 2022

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