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ESMERALDA M LEON
NPI 1063159457
Social Worker - Clinical in Los Angeles, CA

Active since May 17, 2022PECOS Enrolled
815 N EL CENTRO AVE, LOS ANGELES, CA 90038(909) 485-0838 Get Directions Write a Review

NPPES record last updated: August 4, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Aug 4, 2026, Jul 3, 2023, Aug 29, 2022 and 1 more (4 updates tracked since 2022).

About Esmeralda M Leon NPPES

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

ESMERALDA M LEON (NPI 1063159457) is an individual clinical provider in Los Angeles, California, licensed in California (LCSW132092) and active in the NPI registry since May 2022. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1063159457
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameESMERALDA M LEON
Location Address815 N EL CENTRO AVELos Angeles, CA 90038-3805
Mailing Address7435 N Figueroa St Unit 412206Los Angeles, CA 90041-1475
Phone(909) 485-0838
Sole ProprietorNo
Enumeration DateMay 17, 2022
Last NPPES UpdateAugust 4, 20264 updates tracked since enumeration
NPPES CertifiedAugust 4, 2026
✔ NPI 1063159457 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in CA · LCSW132092
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 · License 102337 (CA)
Also ListedSocial WorkerTaxonomy 104100000X · License 102337 (CA)
815 N EL CENTRO AVE, Los Angeles, CA 90038
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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)

Esmeralda M Leon 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 Esmeralda Leon reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Pacific Clinics
Same address
Community/Behavioral Health
815 N EL CENTRO AVE
Los Angeles, CA 90038
  • Reassigned Medicare billing, California enrollment
  • 156 clinicians in this Medicare group
NPI 1114162260 (323) 463-2119

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 90038 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.

EMQ HOLLYGROVE
Community/Behavioral Health
815 N EL CENTRO AVE
LOS ANGELES, CA 90038
Los Angeles County (323) 463-2119
LEAH YASHAR
Marriage & Family Therapist
815 N EL CENTRO AVE
LOS ANGELES, CA 90038
Los Angeles County (323) 463-2119
MS. XOCHITL GANTES B.A.
Specialist
815 N EL CENTRO AVE
LOS ANGELES, CA 90038
Los Angeles County (323) 769-7174
MARIA VALENTINA ALHAMBRA MSW
Social Worker
815 N EL CENTRO AVE
LOS ANGELES, CA 90038
Los Angeles County (323) 463-2119
HUGO CHACON MHRS
Case Manager/Care Coordinator
815 N EL CENTRO AVE
LOS ANGELES, CA 90038
Los Angeles County (323) 463-2119
LAUREN MACKENZIE BUTTS
Social Worker (Clinical)
815 N EL CENTRO AVE
LOS ANGELES, CA 90038
Los Angeles County (323) 463-2119
DANIELA HAYDEE ARDON
Social Worker
815 N EL CENTRO AVE
LOS ANGELES, CA 90038
Los Angeles County (626) 649-9758
JOSEPH BRANCH
Case Manager/Care Coordinator
815 N EL CENTRO AVE
LOS ANGELES, CA 90038
Los Angeles County (323) 463-2119

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 Esmeralda Leon's NPI number?

The NPI number for Esmeralda Leon is 1063159457. It was assigned to this individual provider in the NPPES registry on May 17, 2022.

Where is Esmeralda Leon located?

Esmeralda Leon practices at 815 N El Centro Ave, Los Angeles, CA 90038. The listed phone number is (909) 485-0838.

What is Esmeralda Leon's specialty?

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

Is Esmeralda Leon enrolled in Medicare?

Yes. Esmeralda Leon is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Esmeralda Leon's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Esmeralda Leon reassigns Medicare benefits to Pacific Clinics (Los Angeles, 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 Esmeralda Leon'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 Esmeralda Leon was last updated on August 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months 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.