David Van Zak, PSY. D.
NPI 1174572960 · Clinical Psychologist · Los Angeles, CA
David Van Zak, PSY. D. is a Clinical Psychologist provider in Los Angeles, CA (NPI 1174572960).
Provider details
- NPI number
- 1174572960
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PSY. D.
- Sex
- Male
- License
- PSY10747 (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
20 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
- 2006-05-09
- Last updated
- 2007-07-08
Frequently asked questions
- What is David Van Zak's NPI number?
- David Van Zak's National Provider Identifier (NPI) is 1174572960, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Van Zak's specialty?
- David Van Zak is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is David Van Zak located?
- David Van Zak's practice location on file with NPPES is 6733 S Sepulveda Blvd, Los Angeles, CA 90045-1525.
- What is David Van Zak's phone number?
- The practice phone number listed in the NPPES registry for David Van Zak is (714) 437-7400.
- Is David Van Zak's NPI active?
- Yes — David Van Zak's NPI (1174572960) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.