Harold Slater, PH.D.
NPI 1376573758 · Clinical Psychologist · Los Angeles, CA
Harold Slater, PH.D. is a Clinical Psychologist provider in Los Angeles, CA (NPI 1376573758).
Provider details
- NPI number
- 1376573758
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Male
- Sole proprietor
- No
- License
- PSY11033 (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
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
- 2006-07-03
- Last updated
- 2007-07-08
Frequently asked questions
- What is Harold Slater's NPI number?
- Harold Slater's National Provider Identifier (NPI) is 1376573758, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Harold Slater's specialty?
- Harold Slater is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Harold Slater located?
- Harold Slater's practice location on file with NPPES is 2400 Chislehurst Dr, Los Angeles, CA 90027-1049.
- What is Harold Slater's phone number?
- The practice phone number listed in the NPPES registry for Harold Slater is (323) 660-2829.
- Is Harold Slater's NPI active?
- Yes — Harold Slater's NPI (1376573758) 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.