Lester Summerfield and Associates, a Psychological Corporation
NPI 1053465799 · Psychologist · Westlake Village, CA
Lester Summerfield and Associates, a Psychological Corporation is a Psychologist organization in Westlake Village, CA (NPI 1053465799).
Provider details
- NPI number
- 1053465799
- Entity type
- Organization
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Organization subpart
- No
- Authorized official
- Lester Summerfield, President(805) 496-6992
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
- 2007-01-22
- Last updated
- 2020-08-22
Frequently asked questions
- What is Lester Summerfield and Associates, a Psychological Corporation's NPI number?
- Lester Summerfield and Associates, a Psychological Corporation's National Provider Identifier (NPI) is 1053465799, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Lester Summerfield and Associates, a Psychological Corporation?
- Lester Summerfield and Associates, a Psychological Corporation is classified in the NPPES registry as Psychologist (Behavioral Health & Social Service Providers).
- Where is Lester Summerfield and Associates, a Psychological Corporation located?
- Lester Summerfield and Associates, a Psychological Corporation's practice location on file with NPPES is 4045 E Thousand Oaks Blvd, Westlake Village, CA 91362-3636.
- What is Lester Summerfield and Associates, a Psychological Corporation's phone number?
- The practice phone number listed in the NPPES registry for Lester Summerfield and Associates, a Psychological Corporation is (805) 496-6992.
- Who is the authorized official for Lester Summerfield and Associates, a Psychological Corporation?
- The authorized official listed on Lester Summerfield and Associates, a Psychological Corporation's NPPES record is Lester Summerfield, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Lester Summerfield and Associates, a Psychological Corporation's NPI active?
- Yes — Lester Summerfield and Associates, a Psychological Corporation's NPI (1053465799) 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.