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

Mr. Williston Barnett Riggs

Individual provider Mental Health Counselor · NPI 1992291942

Mr. Williston Barnett Riggs is a Mental Health Counselor in Seattle, Washington. Practices as a sole proprietor. Licensed in Washington.

Licensed in
WA
In the registry since
2018

Practice location Address checks out

3272 California Ave SW Ste 103
Seattle, WA 98116-3375
Phone: (206) 898-3049
Show map & directions

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

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X · Licence LH61470100 (WA)

Record details

NPI number1992291942
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorYes
NPI enumeratedJuly 2, 2018
Last updated in NPPESSeptember 22, 2023
Certification dateSeptember 22, 2023

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