Stephanie Diaz
NPI 1427743483 · Clinical Social Worker · Northridge, CA
Stephanie Diaz is a Clinical Social Worker provider in Northridge, CA (NPI 1427743483).
Provider details
- NPI number
- 1427743483
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Student, Health Care
- Mental Health Counselor101YM0800X
Behavioral Health & Social Service Providers
- Case Manager/Care Coordinator171M00000X
Other Service Providers
- Clinical Social Worker1041C0700X
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
3 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
- 2023-04-06
- Last updated
- 2025-11-04
- Certified
- 2025-11-04
Frequently asked questions
- What is Stephanie Diaz's NPI number?
- Stephanie Diaz's National Provider Identifier (NPI) is 1427743483, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephanie Diaz's specialty?
- Stephanie Diaz is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Stephanie Diaz located?
- Stephanie Diaz's practice location on file with NPPES is 8330 Reseda Blvd, Northridge, CA 91324-4619.
- What is Stephanie Diaz's phone number?
- The practice phone number listed in the NPPES registry for Stephanie Diaz is (818) 996-1051.
- Is Stephanie Diaz's NPI active?
- Yes — Stephanie Diaz's NPI (1427743483) is active in the NPPES registry as of the last update on 2025-11-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.