IndividualActive
Leslie Arriaza
NPI 1154295129 · School Social Worker · Fullerton, CA
Leslie Arriaza is a School Social Worker provider in Fullerton, CA (NPI 1154295129).
Provider details
- NPI number
- 1154295129
- Entity type
- Individual
- Primary specialty
- School Social WorkerBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Basic profile(47/100 index)
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
83% 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
1501 W Valencia Dr
Fullerton, CA 92833-3940
Phone: (714) 447-7735
Street-level locationGet directions
Mailing address
11437 Hutton Rd
Corona, CA 92883-4703
Registry dates
- Enumerated
- 2025-10-02
- Last updated
- 2025-10-24
- Certified
- 2025-10-02
Frequently asked questions
- What is Leslie Arriaza's NPI number?
- Leslie Arriaza's National Provider Identifier (NPI) is 1154295129, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leslie Arriaza's specialty?
- Leslie Arriaza is listed in the NPPES registry with a primary specialty of School Social Worker (Behavioral Health & Social Service Providers).
- Where is Leslie Arriaza located?
- Leslie Arriaza's practice location on file with NPPES is 1501 W Valencia Dr, Fullerton, CA 92833-3940.
- What is Leslie Arriaza's phone number?
- The practice phone number listed in the NPPES registry for Leslie Arriaza is (714) 447-7735.
- Is Leslie Arriaza's NPI active?
- Yes — Leslie Arriaza's NPI (1154295129) is active in the NPPES registry as of the last update on 2025-10-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.