STEFANY DIAZ LCSW
NPI 1790070373
Social Worker - Clinical in Nevada City, CA

Q: What is Stefany Diaz's NPI number?

The NPI number for Stefany Diaz is 1790070373. It was assigned to this individual provider in the NPPES registry on June 13, 2011.

Q: What is Stefany 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 Stefany Diaz was last updated on December 17, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years 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 June 13, 2011PECOS EnrolledAccepts Medicare Assignment

24077 STATE HIGHWAY 49, NEVADA CITY, CA 95959(530) 265-9057(530) 292-3803 Get Directions Write a Review

NPPES record last updated: December 17, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Dec 17, 2020, Mar 17, 2018, Nov 1, 2017 (3 updates tracked since 2017).

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About Stefany Diaz Lcsw NPPES

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

STEFANY DIAZ LCSW (NPI 1790070373) is an individual clinical provider in Nevada City, California, licensed in California (80088) and active in the NPI registry since June 2011. She is enrolled in Medicare PECOS, maintains a secondary practice location in Bronx, and is a graduate of Other (2010).

NPPES Registry Identity

NPI1790070373

Entity TypeIndividualFemale

Primary Taxonomy1041C0700X

Provider Legal NameSTEFANY DIAZCredential: LCSW

Location Address24077 STATE HIGHWAY 49Nevada City, CA 95959-8519

Mailing Address24077 State Highway 49Nevada City, CA 95959-8519 · (530) 265-9057 · Fax (530) 292-3803

Phone(530) 265-9057

Fax(530) 292-3803

Sole ProprietorYes

Medical School CMSOtherGraduated 2010

Enumeration DateJune 13, 2011

Last NPPES UpdateDecember 17, 20203 updates tracked since enumeration

NPPES CertifiedDecember 17, 2020

✔ NPI 1790070373 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers

Taxonomy Code1041C0700X

License✔ Licensed in CA · 80088

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 ListedSocial WorkerTaxonomy 104100000X · License 80088 (CA)

24077 STATE HIGHWAY 49, Nevada City, CA 95959

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Secondary Practice Location 1

Location 170 W Burnside AveBronx, NY 10453-4016 · Phone (718) 483-1270 · Fax (718) 228-7471

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Stefany Diaz Lcsw is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2961723796

PECOS Enrollment IDI20150605000460

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.

Medicare Billing Reassignments

Medicare enrollment records show Stefany Diaz reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Quartet Medical Group

2,423 mi

Psychiatry

1601 MARKET ST STE 1500
Philadelphia, PA 19103

Reassigned Medicare billing, Pennsylvania enrollment
19 clinicians in this Medicare group

NPI 1497438428 (267) 999-9534

Essex County Treasurer

2,443 mi

Mental Health

7513 COURT STREET
Elizabethtown, NY 12932

Reassigned Medicare billing, New York enrollment
25 clinicians in this Medicare group

NPI 1659485480 (518) 873-3670

The Partners Care

2,485 mi

Internal Medicine

1711 BROOKHAVEN AVE
Far Rockaway, NY 11691

Reassigned Medicare billing, New York enrollment
Medicare enrollment name: Alegria Operating LLC
11 clinicians in this Medicare group

NPI 1386093367 (718) 869-8000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95959 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 $58.87 – $176.60

Typical copayment $0.00 (range $14.71 – $44.15)

Most-billed visit code NA

Established Patient

$73.16 typical visit price

range $19.28 – $144.60

Typical copayment $18.29 (range $4.82 – $36.15)

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.

ROXANNE ROSE

Case Manager/Care Coordinator