Alexandra Diaz
NPI 1922519701 · Clinical Social Worker · Upland, CA
Alexandra Diaz is a Clinical Social Worker provider in Upland, CA (NPI 1922519701).
Provider details
- NPI number
- 1922519701
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 96620 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
8 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
- 2017-10-19
- Last updated
- 2025-08-18
- Certified
- 2025-07-29
Frequently asked questions
- What is Alexandra Diaz's NPI number?
- Alexandra Diaz's National Provider Identifier (NPI) is 1922519701, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alexandra Diaz's specialty?
- Alexandra Diaz is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Alexandra Diaz located?
- Alexandra Diaz's practice location on file with NPPES is 818 N Mountain Ave, Upland, CA 91786-4167.
- What is Alexandra Diaz's phone number?
- The practice phone number listed in the NPPES registry for Alexandra Diaz is (415) 992-6155.
- Is Alexandra Diaz's NPI active?
- Yes — Alexandra Diaz's NPI (1922519701) is active in the NPPES registry as of the last update on 2025-08-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.