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

Lewis Mason Thurston Council of Governments

Organization Case Management Agency · NPI 1952725889

Lewis Mason Thurston Council of Governments is a Case Management Agency in Olympia, Washington. Registered with an NPI since 2014.

In the registry since
2014

Practice location Address checks out

2404 Heritage Ct SW
Olympia, WA 98502-6047
Phone: (360) 664-2168
Fax: (360) 664-0791
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Case Management Agency (primary) Taxonomy 251B00000X

Record details

NPI number1952725889
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Dennis Mahar — Director · (360) 664-3162
Other names Lewis Mason Thurston Area Agency On Aging
NPI enumeratedFebruary 12, 2014
Last updated in NPPESFebruary 12, 2014
Mailing address2404 Heritage Ct Sw, Olympia, WA 98502-6047

Other providers in Olympia