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MRS. DIANE PEREZ LCSW
NPI 1588964365
Social Worker - Clinical in Van Nuys, CA

Active since October 27, 2010PECOS Enrolled
6551 VAN NUYS BLVD STE 201, VAN NUYS, CA 91401(818) 988-6335(818) 988-6817 Get Directions Write a Review

NPPES record last updated: October 27, 2010. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Mrs. Diane Perez Lcsw NPPES

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

MRS. DIANE PEREZ LCSW (NPI 1588964365) is an individual clinical provider in Van Nuys, California, licensed in California (26852) and active in the NPI registry since October 2010. She is enrolled in Medicare PECOS and is a graduate of Other (2003).

NPPES Registry Identity

NPI1588964365
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameMRS. DIANE PEREZCredential: LCSW
Location Address6551 VAN NUYS BLVD STE 201Van Nuys, CA 91401-1442
Mailing AddressPo Box 63087Los Angeles, CA 90063-0087 · (818) 988-6335 · Fax (818) 988-6817
Phone(818) 988-6335
Fax(818) 988-6817
Sole ProprietorNo
Medical School CMSOtherGraduated 2003
Enumeration DateOctober 27, 2010
✔ NPI 1588964365 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in CA · 26852
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.
6551 VAN NUYS BLVD STE 201, Van Nuys, CA 91401
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mrs. Diane Perez Lcsw is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID446548507
PECOS Enrollment IDI20171114003754
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 Reassignment

Medicare enrollment records show Diane Perez reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Northeast Valley Health Corporation
Same address
Federally Qualified Health Center (FQHC)
6551 VAN NUYS BLVD FL 2
Van Nuys, CA 91401
  • Reassigned Medicare billing, California enrollment
  • 218 clinicians in this Medicare group
NPI 1184625568 (818) 765-8656

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 91401 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 2

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

MRS. VANESSA ROSAS LCSW
Social Worker
6551 VAN NUYS BLVD STE 201
VAN NUYS, CA 91401
Los Angeles County (818) 702-9578
MISS JEANNIE MICHELLE UMANZOR DNP, FNP-C, PMHNP-BC
Nurse Practitioner (Psychiatric/Mental Health)
6551 VAN NUYS BLVD STE 201
VAN NUYS, CA 91401
Los Angeles County (818) 765-8656

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Diane Perez's NPI number?

The NPI number for Diane Perez is 1588964365. It was assigned to this individual provider in the NPPES registry on October 27, 2010.

Where is Diane Perez located?

Diane Perez practices at 6551 Van Nuys Blvd Ste 201, Van Nuys, CA 91401. The listed phone number is (818) 988-6335.

What is Diane Perez's specialty?

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

Is Diane Perez enrolled in Medicare?

Yes. Diane Perez is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Diane Perez's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Diane Perez reassigns Medicare benefits to Northeast Valley Health Corporation (Van Nuys, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Diane Perez's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Diane Perez was last updated on October 27, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.