Gregory L. Williams, Psy.d., PC
NPI 1730369877 · Clinical Psychologist · Olympia, WA
Gregory L. Williams, Psy.d., PC is a Clinical Psychologist organization in Olympia, WA (NPI 1730369877).
Provider details
- NPI number
- 1730369877
- Entity type
- Organization
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Organization subpart
- No
- Authorized official
- Gregory Williams, President(360) 754-4662
- License
- PSY2410 (WA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-11-06
- Last updated
- 2008-03-13
Frequently asked questions
- What is Gregory L. Williams, Psy.d., PC's NPI number?
- Gregory L. Williams, Psy.d., PC's National Provider Identifier (NPI) is 1730369877, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Gregory L. Williams, Psy.d., PC?
- Gregory L. Williams, Psy.d., PC is classified in the NPPES registry as Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Gregory L. Williams, Psy.d., PC located?
- Gregory L. Williams, Psy.d., PC's practice location on file with NPPES is 1800 Cooper Point Rd Sw Ste 17, Olympia, WA 98502-1179.
- What is Gregory L. Williams, Psy.d., PC's phone number?
- The practice phone number listed in the NPPES registry for Gregory L. Williams, Psy.d., PC is (360) 754-4662.
- Who is the authorized official for Gregory L. Williams, Psy.d., PC?
- The authorized official listed on Gregory L. Williams, Psy.d., PC's NPPES record is Gregory Williams, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Gregory L. Williams, Psy.d., PC's NPI active?
- Yes — Gregory L. Williams, Psy.d., PC's NPI (1730369877) is active in the NPPES registry as of the last update on 2008-03-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.