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Ian Cook, PH D
NPI 1861105850 · Psychologist · Walnut Creek, CA
Ian Cook, PH D is a Psychologist provider in Walnut Creek, CA (NPI 1861105850).
Provider details
- NPI number
- 1861105850
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- PH D
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(53/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
3 yrs in NPPES registry
- Profile completeness38% of score
83% 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
2730 Shadelands Dr Bldg 10
Walnut Creek, CA 94598-2538
Phone: (510) 541-4945
Street-level locationGet directions
Mailing address
2133 Ward St
Berkeley, CA 94705-1039
Registry dates
- Enumerated
- 2023-01-04
- Last updated
- 2023-01-04
- Certified
- 2023-01-04
Frequently asked questions
- What is Ian Cook's NPI number?
- Ian Cook's National Provider Identifier (NPI) is 1861105850, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ian Cook's specialty?
- Ian Cook is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Ian Cook located?
- Ian Cook's practice location on file with NPPES is 2730 Shadelands Dr Bldg 10, Walnut Creek, CA 94598-2538.
- What is Ian Cook's phone number?
- The practice phone number listed in the NPPES registry for Ian Cook is (510) 541-4945.
- Is Ian Cook's NPI active?
- Yes — Ian Cook's NPI (1861105850) is active in the NPPES registry as of the last update on 2023-01-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.