Nona Williams, PSY.D.
NPI 1427094135 · Clinical Psychologist · Los Angeles, CA
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nona Williams, PSY.D. is a Clinical Psychologist provider in Los Angeles, CA (NPI 1427094135).
Provider details
- NPI number
- 1427094135
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PSY.D.
- Sex
- Female
- Sole proprietor
- No
- License
- PSY20867 (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
- 2006-06-21
- Last updated
- 2022-07-21
Frequently asked questions
- What is Nona Williams's NPI number?
- Nona Williams's National Provider Identifier (NPI) is 1427094135, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nona Williams's specialty?
- Nona Williams is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Nona Williams located?
- Nona Williams's practice location on file with NPPES is 10642 Santa Monica Blvd, Los Angeles, CA 90025-4525.
- What is Nona Williams's phone number?
- The practice phone number listed in the NPPES registry for Nona Williams is (310) 433-1379.
- Does Nona Williams accept Medicare?
- Nona Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nona Williams's NPI active?
- Yes — Nona Williams's NPI (1427094135) is active in the NPPES registry as of the last update on 2022-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.