STEPHANIE NOEMI DIAZ
NPI 1427743483
Social Worker - Clinical in Northridge, CA

Q: What is Stephanie Diaz's NPI number?

The NPI number for Stephanie Diaz is 1427743483. It was assigned to this individual provider in the NPPES registry on April 6, 2023.

Q: What is Stephanie Diaz's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

Q: When was this NPI record last updated?

The NPPES record for Stephanie Diaz was last updated on November 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since April 06, 2023PECOS Enrolled

8330 RESEDA BLVD, NORTHRIDGE, CA 91324(818) 996-1051 Get Directions Write a Review

NPPES record last updated: November 4, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Nov 4, 2025, Apr 6, 2023 (2 updates tracked since 2023).

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About Stephanie Noemi Diaz NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

STEPHANIE NOEMI DIAZ (NPI 1427743483) is an individual clinical provider in Northridge, California, licensed in California (135004) and active in the NPI registry since April 2023. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1427743483

Entity TypeIndividualFemale

Primary Taxonomy1041C0700X

Provider Legal NameSTEPHANIE NOEMI DIAZ

Location Address8330 RESEDA BLVDNorthridge, CA 91324-4619

Mailing Address8330 Reseda BlvdNorthridge, CA 91324-4619

Phone(818) 996-1051

Sole ProprietorNo

Enumeration DateApril 6, 2023

Last NPPES UpdateNovember 4, 20252 updates tracked since enumeration

NPPES CertifiedNovember 4, 2025

✔ NPI 1427743483 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers

Taxonomy Code1041C0700X

License✔ Licensed in CA · 135004

Definition

A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.

Also ListedCounselor · Mental HealthTaxonomy 101YM0800X

Also ListedCase Manager/Care CoordinatorTaxonomy 171M00000X

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

8330 RESEDA BLVD, Northridge, CA 91324

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Stephanie Noemi Diaz is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer– Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91324 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$0.00 typical visit price

range $62.96 – $187.60

Typical copayment $0.00 (range $15.74 – $46.90)

Most-billed visit code NA

Established Patient

$77.96 typical visit price

range $20.84 – $153.61

Typical copayment $19.49 (range $5.21 – $38.40)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

GRACIELA RUIZ

Case Manager/Care Coordinator