Bennett Williamson, PHD
NPI 1326181025 · Clinical Psychologist · Los Angeles, CA
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Bennett Williamson, PHD is a Clinical Psychologist provider in Los Angeles, CA (NPI 1326181025).
Provider details
- NPI number
- 1326181025
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 16172 (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
- 2007-02-14
- Last updated
- 2007-07-08
Frequently asked questions
- What is Bennett Williamson's NPI number?
- Bennett Williamson's National Provider Identifier (NPI) is 1326181025, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Bennett Williamson's specialty?
- Bennett Williamson is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Bennett Williamson located?
- Bennett Williamson's practice location on file with NPPES is 2898 Rowena Ave Ste 206, Los Angeles, CA 90039-2096.
- What is Bennett Williamson's phone number?
- The practice phone number listed in the NPPES registry for Bennett Williamson is (323) 660-0728.
- Does Bennett Williamson accept Medicare?
- Bennett Williamson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Bennett Williamson's NPI active?
- Yes — Bennett Williamson's NPI (1326181025) 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.