Gary Vandalfsen, PHD, P.s.
NPI 1376757575 · Clinical Psychologist · Bellevue, WA
Gary Vandalfsen, PHD, P.s. is a Clinical Psychologist organization in Bellevue, WA (NPI 1376757575).
Provider details
- NPI number
- 1376757575
- Entity type
- Organization
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Organization subpart
- No
- Authorized official
- Gary Vandalfsen, President(425) 822-0242
- License
- PY00001869 (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
19 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
- 2007-05-09
- Last updated
- 2020-08-22
Frequently asked questions
- What is Gary Vandalfsen, PHD, P.s.'s NPI number?
- Gary Vandalfsen, PHD, P.s.'s National Provider Identifier (NPI) is 1376757575, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Gary Vandalfsen, PHD, P.s.?
- Gary Vandalfsen, PHD, P.s. is classified in the NPPES registry as Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Gary Vandalfsen, PHD, P.s. located?
- Gary Vandalfsen, PHD, P.s.'s practice location on file with NPPES is 11808 Northup Way, Bellevue, WA 98005-1936.
- What is Gary Vandalfsen, PHD, P.s.'s phone number?
- The practice phone number listed in the NPPES registry for Gary Vandalfsen, PHD, P.s. is (425) 822-0242.
- Who is the authorized official for Gary Vandalfsen, PHD, P.s.?
- The authorized official listed on Gary Vandalfsen, PHD, P.s.'s NPPES record is Gary Vandalfsen, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Gary Vandalfsen, PHD, P.s.'s NPI active?
- Yes — Gary Vandalfsen, PHD, P.s.'s NPI (1376757575) is active in the NPPES registry as of the last update on 2020-08-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.