David Johnston, PH.D
NPI 1346308491 · Clinical Psychologist · Santa Cruz, CA
David Johnston, PH.D is a Clinical Psychologist provider in Santa Cruz, CA (NPI 1346308491).
Provider details
- NPI number
- 1346308491
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D
- Sex
- Male
- Sole proprietor
- No
- License
- PSY6698 (CA)
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
2 documented practice locations
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
Additional practice locations (1)
- 2901 Park Ave Ste A3Soquel, CA 95073-2831Phone: (831) 423-9444
Registry dates
- Enumerated
- 2006-12-04
- Last updated
- 2018-10-30
Frequently asked questions
- What is David Johnston's NPI number?
- David Johnston's National Provider Identifier (NPI) is 1346308491, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Johnston's specialty?
- David Johnston is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is David Johnston located?
- David Johnston's practice location on file with NPPES is 104 Walnut Ave Ste 208, Santa Cruz, CA 95060-3929.
- What is David Johnston's phone number?
- The practice phone number listed in the NPPES registry for David Johnston is (831) 423-9444.
- Is David Johnston's NPI active?
- Yes — David Johnston's NPI (1346308491) is active in the NPPES registry as of the last update on 2018-10-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.