Claudia Diaz
NPI 1538726765 · Clinical Social Worker · Walnut, CA
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Claudia Diaz is a Clinical Social Worker provider in Walnut, CA (NPI 1538726765).
Provider details
- NPI number
- 1538726765
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Behavioral Health & Social Service Providers
- Social Worker104100000X
Behavioral Health & Social Service Providers
- Mental Health Counselor101YM0800X
Behavioral Health & Social Service Providers
- Rehabilitation Practitioner225400000X
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
7 yrs in NPPES 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
Mailing address
Registry dates
- Enumerated
- 2019-05-23
- Last updated
- 2025-05-05
- Certified
- 2025-05-05
Frequently asked questions
- What is Claudia Diaz's NPI number?
- Claudia Diaz's National Provider Identifier (NPI) is 1538726765, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Claudia Diaz's specialty?
- Claudia Diaz is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Claudia Diaz located?
- Claudia Diaz's practice location on file with NPPES is Po Box 1033, Walnut, CA 91788-1033.
- What is Claudia Diaz's phone number?
- The practice phone number listed in the NPPES registry for Claudia Diaz is (909) 510-3880.
- Does Claudia Diaz accept Medicare?
- Claudia Diaz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Claudia Diaz's NPI active?
- Yes — Claudia Diaz's NPI (1538726765) is active in the NPPES registry as of the last update on 2025-05-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.