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

Gregory L. Williams, Psy D , PC

Organization Clinical Psychologist · NPI 1730369877

Gregory L. Williams, Psy D , PC is a Clinical Psychologist in Olympia, Washington. Licensed in Washington. Registered with an NPI since 2007.

Licensed in
WA
In the registry since
2007
What do these letters mean?
PC — Professional corporation
A form of business registration, not a clinical qualification.

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Practice location Address checks out

1800 Cooper Point Rd SW Ste 17
Olympia, WA 98502-1179
Phone: (360) 754-4662
Fax: (360) 352-3289
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence PSY2410 (WA)

Record details

NPI number1730369877
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Gregory Williams — President · (360) 754-4662
NPI enumeratedNovember 6, 2007
Last updated in NPPESMarch 13, 2008
Mailing address1800 Cooper Point Rd Sw Ste 17, Olympia, WA 98502-1179

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