Andrea Williams, PSY.D., L.E.P.
NPI 1831028745 · School Psychologist · Elk Grove, CA
Andrea Williams, PSY.D., L.E.P. is a School Psychologist provider in Elk Grove, CA (NPI 1831028745).
Provider details
- NPI number
- 1831028745
- Entity type
- Individual
- Primary specialty
- School PsychologistBehavioral Health & Social Service Providers
- Credential
- PSY.D., L.E.P.
- Sex
- Female
- Sole proprietor
- Yes
- License
- LEP4361 (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
Under 1 yr in 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
- 2026-05-16
- Last updated
- 2026-05-16
- Certified
- 2026-05-16
Frequently asked questions
- What is Andrea Williams's NPI number?
- Andrea Williams's National Provider Identifier (NPI) is 1831028745, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Andrea Williams's specialty?
- Andrea Williams is listed in the NPPES registry with a primary specialty of School Psychologist (Behavioral Health & Social Service Providers).
- Where is Andrea Williams located?
- Andrea Williams's practice location on file with NPPES is 9214 Crosscourt Way, Elk Grove, CA 95624-3919.
- What is Andrea Williams's phone number?
- The practice phone number listed in the NPPES registry for Andrea Williams is (951) 751-2132.
- Is Andrea Williams's NPI active?
- Yes — Andrea Williams's NPI (1831028745) is active in the NPPES registry as of the last update on 2026-05-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.