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SANDRA MARROQUIN LCSW
NPI 1942618020
Social Worker - Clinical in Gardena, CA

Active since August 01, 2014PECOS Enrolled
108 W VICTORIA ST, GARDENA, CA 90248(310) 715-2020 Get Directions Write a Review

NPPES record last updated: March 1, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Mar 1, 2022, May 3, 2019 (2 updates tracked since 2019).

About Sandra Marroquin Lcsw NPPES

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

SANDRA MARROQUIN LCSW (NPI 1942618020) is an individual clinical provider in Gardena, California, licensed in California (88863) and active in the NPI registry since August 2014. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1942618020
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameSANDRA MARROQUINCredential: LCSW
Location Address108 W VICTORIA STGardena, CA 90248-3523
Mailing Address9200 Milliken Ave Apt 6201Rancho Cucamonga, CA 91730-8509 · (909) 294-0821
Phone(310) 715-2020
Sole ProprietorYes
Enumeration DateAugust 1, 2014
Last NPPES UpdateMarch 1, 20222 updates tracked since enumeration
NPPES CertifiedMarch 1, 2022
✔ NPI 1942618020 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 · 88863
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 ListedRehabilitation PractitionerTaxonomy 225400000X
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
108 W VICTORIA ST, Gardena, CA 90248
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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)

Sandra Marroquin Lcsw 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 Sandra Marroquin reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Southern California Permanente Medical Group
32 mi
Clinical Medical Laboratory
13000 PEYTON DR
Chino Hills, CA 91709
  • Reassigned Medicare billing, California enrollment
  • 5,228 clinicians in this Medicare group
NPI 1396287082 (888) 750-0036

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 90248 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.

GERARDO GOMEZ
Rehabilitation Practitioner
108 W VICTORIA ST
GARDENA, CA 90248
Los Angeles County (310) 715-2020
VANESSA AVILA
Rehabilitation Practitioner
108 W VICTORIA ST
GARDENA, CA 90248
Los Angeles County (310) 715-2020
JUSTIN A PARNELL
Occupational Therapist
108 W VICTORIA ST
GARDENA, CA 90248
Los Angeles County (310) 715-2020
AMBER KAI PARKER RBT
Rehabilitation Practitioner
108 W VICTORIA ST
GARDENA, CA 90248
Los Angeles County (310) 715-2020
ELISA ANGELINE WRIGHT ADAMS
Student in an Organized Health Care Education/Training Program
108 W VICTORIA ST
GARDENA, CA 90248
Los Angeles County (310) 715-2020
MR. JOSE D, FERNANDEZ
Rehabilitation Practitioner
108 W VICTORIA ST
GARDENA, CA 90248
Los Angeles County (310) 715-2020
MRS. IVA SVETLIKOVA M.S. MFT
Marriage & Family Therapist
108 W VICTORIA ST
GARDENA, CA 90248
Los Angeles County (310) 715-2020
MRS. SAYO MATSUDA
Marriage & Family Therapist
108 W VICTORIA ST
GARDENA, CA 90248
Los Angeles County (424) 757-4226

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 Sandra Marroquin's NPI number?

The NPI number for Sandra Marroquin is 1942618020. It was assigned to this individual provider in the NPPES registry on August 1, 2014.

Where is Sandra Marroquin located?

Sandra Marroquin practices at 108 W Victoria St, Gardena, CA 90248. The listed phone number is (310) 715-2020.

What is Sandra Marroquin's specialty?

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

Is Sandra Marroquin enrolled in Medicare?

Yes. Sandra Marroquin is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Sandra Marroquin's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sandra Marroquin reassigns Medicare benefits to Southern California Permanente Medical Group (Chino Hills, 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 Sandra Marroquin'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 Sandra Marroquin was last updated on March 1, 2022. 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.