1. Home
  2. Directory
  3. California
  4. Lomita
  5. Social Worker
  6. NPI Profile

GABRIELLE SIMMONS
NPI 1104675263
Social Worker - Clinical in Lomita, CA

Active since May 13, 2024PECOS Enrolled
2081 PALOS VERDES DR N, LOMITA, CA 90717(424) 251-7600 Get Directions Write a Review

NPPES record last updated: October 25, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Oct 7, 2024, May 13, 2024 (2 updates tracked since 2024).

About Gabrielle Simmons NPPES

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

GABRIELLE SIMMONS (NPI 1104675263) is an individual clinical provider in Lomita, California, licensed in California (123884) and active in the NPI registry since May 2024. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1104675263
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameGABRIELLE SIMMONS
Location Address2081 PALOS VERDES DR NLomita, CA 90717-3701
Mailing Address21213b Hawthorne Blvd # 5422Torrance, CA 90503-5501
Phone(424) 251-7600
Sole ProprietorNo
Enumeration DateMay 13, 2024
Last NPPES UpdateOctober 25, 20242 updates tracked since enumeration
NPPES CertifiedOctober 7, 2024
✔ NPI 1104675263 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 · 123884
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.
2081 PALOS VERDES DR N, Lomita, CA 90717
Open in Google Maps ↗

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Gabrielle Simmons 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.

Medicare Billing Reassignment

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

Southern California Permanente Medical Group
1.5 mi
Health Maintenance Organization
25825 VERMONT AVE
Harbor City, CA 90710
  • Reassigned Medicare billing, California enrollment
  • 13,921 clinicians in this Medicare group
NPI 1598797011 (310) 325-5111

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 90717 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.

EMILY ANNE LONDON LCSW
Social Worker (Clinical)
2081 PALOS VERDES DR N
LOMITA, CA 90717
Los Angeles County (310) 517-3425
DR. LISHAN WORKENEH-MARTIN M.D.
Psychiatry & Neurology (Child & Adolescent Psychiatry)
2081 PALOS VERDES DR N
LOMITA, CA 90717
Los Angeles County (310) 325-6542
PAUL STEVENS L.C.S.W.
Social Worker (Clinical)
2081 PALOS VERDES DR N
LOMITA, CA 90717
Los Angeles County (310) 325-6542
MR. JOSE REY MFT
Marriage & Family Therapist
2081 PALOS VERDES DR N
LOMITA, CA 90717
Los Angeles County (310) 517-4378
BRIANDA RENTERIA
Social Worker (Clinical)
2081 PALOS VERDES DR N
LOMITA, CA 90717
Los Angeles County (310) 325-6542
KEVIN EARL MARSEE M.D.
Psychiatry & Neurology (Psychiatry)
2081 PALOS VERDES DR N, KAISER PERMANENTE PSYCHIATRY
LOMITA, CA 90717
Los Angeles County (310) 325-6542
MISS ALLISON NATALIE ALARCON LMFT, APCC
Marriage & Family Therapist
2081 PALOS VERDES DR N
LOMITA, CA 90717
Los Angeles County (424) 251-7600
MS. BARBARA L BAILEY LCSW
Social Worker (Clinical)
2081 PALOS VERDES DR N
LOMITA, CA 90717
Los Angeles County (310) 325-6542

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 Gabrielle Simmons's NPI number?

The NPI number for Gabrielle Simmons is 1104675263. It was assigned to this individual provider in the NPPES registry on May 13, 2024.

Where is Gabrielle Simmons located?

Gabrielle Simmons practices at 2081 Palos Verdes Dr N, Lomita, CA 90717. The listed phone number is (424) 251-7600.

What is Gabrielle Simmons's specialty?

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

Is Gabrielle Simmons enrolled in Medicare?

Yes. Gabrielle Simmons is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Gabrielle Simmons's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gabrielle Simmons reassigns Medicare benefits to Southern California Permanente Medical Group (Harbor City, 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 Gabrielle Simmons'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 Gabrielle Simmons was last updated on October 25, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.