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MS. REYNA I DIAZ LCSW
NPI 1619094810
Social Worker - Clinical in Los Angeles, CA

Active since March 23, 2007Opted out of Medicare · through Oct 1, 2026
4700 W SUNSET BLVD, 5TH FLOOR, LOS ANGELES, CA 90027(323) 783-2600 Get Directions Write a Review

NPPES record last updated: December 6, 2021. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Dec 6, 2021, Feb 1, 2017 (2 updates tracked since 2017).

About Ms. Reyna I Diaz Lcsw NPPES

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

MS. REYNA I DIAZ LCSW (NPI 1619094810) is an individual clinical provider in Los Angeles, California, licensed in California (LCS 26383) and active in the NPI registry since March 2007. She has opted out of Medicare through October 1, 2026.

NPPES Registry Identity

NPI1619094810
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameMS. REYNA I DIAZCredential: LCSW
Location Address4700 W SUNSET BLVD, 5TH FLOORLos Angeles, CA 90027-6082
Mailing Address4700 W Sunset Blvd, 5h FloorLos Angeles, CA 90027-6082 · (213) 385-5100
Phone(323) 783-2600
Sole ProprietorNo
Enumeration DateMarch 23, 2007
Last NPPES UpdateDecember 6, 20212 updates tracked since enumeration
✔ NPI 1619094810 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 · LCS 26383
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.
4700 W SUNSET BLVD, Los Angeles, CA 90027
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Ms. Reyna I Diaz Lcsw has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from October 1, 2024 through October 1, 2026.

Opt-Out Effective DateOctober 1, 2024
Opt-Out In Effect ThroughOctober 1, 2026Opt-out affidavits renew automatically every two years unless cancelled

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.

DR. SCOTT HIDEYUKI TAKAHASHI PHARMD
Pharmacist
4700 W SUNSET BLVD, DEPARTMENT OF PEDIATRICS
LOS ANGELES, CA 90027
Los Angeles County (323) 783-1911
VALERIE CAPIZZO FREYRE
Social Worker (Clinical)
4700 W SUNSET BLVD
LOS ANGELES, CA 90027
Los Angeles County (323) 783-2600
DR. STEVEN T KIM DO
Pediatrics (Pediatric Gastroenterology)
4700 W SUNSET BLVD, 3RD FLOOR
LOS ANGELES, CA 90027
Los Angeles County (323) 783-4976
POLLIE WILLHITE CRNA
Nurse Anesthetist, Certified Registered
4700 W SUNSET BLVD
LOS ANGELES, CA 90027
Los Angeles County (323) 783-5984
MS. CARLA DE OLIVEIRA R.D.
Dietitian, Registered
4700 W SUNSET BLVD
LOS ANGELES, CA 90027
Los Angeles County (323) 783-5683
JASON CHEN PHARM.D.
Pharmacist (Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist)
4700 W SUNSET BLVD
LOS ANGELES, CA 90027
Los Angeles County (909) 596-6168
PAUL HAN M.D.
Pediatrics
4700 W SUNSET BLVD, KAISER FOUNDATION HOSPITAL, DEPARTMENT OF PEDIATRICS
LOS ANGELES, CA 90027
Los Angeles County (650) 504-3591
DR. BONNIE TAM M.D.
Pediatrics
4700 W SUNSET BLVD
LOS ANGELES, CA 90027
Los Angeles County (800) 954-8000

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 Reyna Diaz's NPI number?

The NPI number for Reyna Diaz is 1619094810. It was assigned to this individual provider in the NPPES registry on March 23, 2007.

Where is Reyna Diaz located?

Reyna Diaz practices at 4700 W Sunset Blvd 5th Floor, Los Angeles, CA 90027. The listed phone number is (323) 783-2600.

What is Reyna Diaz's specialty?

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

Is Reyna Diaz enrolled in Medicare?

No. Reyna Diaz has opted out of Medicare through October 1, 2026. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out.

When was this NPI record last updated?

The NPPES record for Reyna Diaz was last updated on December 6, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.