AMBERLYN SIERRA LCSW
NPI 1184180143
Social Worker - Clinical in Norwalk, CA

Active since February 14, 2019PECOS Enrolled
11541 ROSECRANS AVE, NORWALK, CA 90650(562) 923-9414(562) 923-9451 Get Directions Write a Review

NPPES record last updated: July 11, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 11, 2025, Nov 30, 2022, Nov 9, 2022 and 3 more (6 updates tracked since 2019).

About Amberlyn Sierra Lcsw NPPES

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

AMBERLYN SIERRA LCSW (NPI 1184180143) is an individual clinical provider in Norwalk, California, licensed in California (129913) and active in the NPI registry since February 2019. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1184180143
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameAMBERLYN SIERRACredential: LCSW
Location Address11541 ROSECRANS AVENorwalk, CA 90650-3898
Mailing Address11541 Rosecrans AveNorwalk, CA 90650-3898 · (625) 923-9414 · Fax (562) 923-9451
Fax(562) 923-9451
Sole ProprietorNo
Enumeration DateFebruary 14, 2019
Last NPPES UpdateJuly 11, 20256 updates tracked since enumeration
NPPES CertifiedJuly 11, 2025
NPI 1184180143 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 · 129913
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.
11541 ROSECRANS AVE, Norwalk, CA 90650

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Amberlyn Sierra 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90650 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.

Social Worker
11541 ROSECRANS AVE
NORWALK, CA 90650
Social Worker
11541 ROSECRANS AVE
NORWALK, CA 90650
Registered Nurse
11541 ROSECRANS AVE
NORWALK, CA 90650
Social Worker
11541 ROSECRANS AVE
NORWALK, CA 90650
Registered Nurse (Case Management)
11541 ROSECRANS AVE
NORWALK, CA 90650
Licensed Vocational Nurse
11541 ROSECRANS AVE
NORWALK, CA 90650
Occupational Therapist
11541 ROSECRANS AVE
NORWALK, CA 90650
Case Manager/Care Coordinator
11541 ROSECRANS AVE
NORWALK, CA 90650

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 Amberlyn Sierra's NPI number?

The NPI number for Amberlyn Sierra is 1184180143. It was assigned to this individual provider in the NPPES registry on February 14, 2019.

Where is Amberlyn Sierra located?

Amberlyn Sierra practices at 11541 Rosecrans Ave, Norwalk, CA 90650. The listed phone number is (562) 923-9414.

What is Amberlyn Sierra's specialty?

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

Is Amberlyn Sierra enrolled in Medicare?

Yes. Amberlyn Sierra is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Amberlyn Sierra was last updated on July 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.