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ERIKA ALEX MERCIER
NPI 1407404809
Social Worker - Clinical in Los Angeles, CA

Active since August 28, 2019PECOS Enrolled
222 S HILL ST, LOS ANGELES, CA 90012(323) 544-3181 Get Directions Write a Review

NPPES record last updated: June 6, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jun 6, 2025, Nov 26, 2023, Nov 5, 2020 and 2 more (5 updates tracked since 2019).

About Erika Alex Mercier NPPES

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

ERIKA ALEX MERCIER (NPI 1407404809) is an individual clinical provider in Los Angeles, California, licensed in California (116221) and active in the NPI registry since August 2019. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1407404809
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameERIKA ALEX MERCIER
Location Address222 S HILL STLos Angeles, CA 90012-3506
Mailing Address222 S Hill StLos Angeles, CA 90012-3506 · (323) 544-3181
Phone(323) 544-3181
Sole ProprietorNo
Enumeration DateAugust 28, 2019
Last NPPES UpdateJune 6, 20255 updates tracked since enumeration
NPPES CertifiedJune 6, 2025
✔ NPI 1407404809 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 · 116221
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.
222 S HILL ST, Los Angeles, CA 90012
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Erika Alex Mercier 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 90012 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.

MONIQUE ESTHER ACOSTA
Counselor (Addiction (Substance Use Disorder))
222 S HILL ST
LOS ANGELES, CA 90012
Los Angeles County (800) 854-7771
ANDRE RICHARDS
Social Worker (Clinical)
222 S HILL ST
LOS ANGELES, CA 90012
Los Angeles County (805) 901-3942
VIOLA ELISA ORR MSW
Social Worker (Clinical)
222 S HILL ST
LOS ANGELES, CA 90012
Los Angeles County (310) 450-4050
MR. TRAMON DESHON MCZEAL
Community Health Worker
222 S HILL ST
LOS ANGELES, CA 90012
Los Angeles County (213) 922-8142
ROCIO AGUAS FLORES
Registered Nurse (Psychiatric/Mental Health)
222 S HILL ST
LOS ANGELES, CA 90012
Los Angeles County (323) 804-1612
YOLANDA VERONICA KLIEWER
Marriage & Family Therapist
222 S HILL ST
LOS ANGELES, CA 90012
Los Angeles County (213) 505-7013
JENEEN TURNER RN
Registered Nurse
222 S HILL ST
LOS ANGELES, CA 90012
Los Angeles County (661) 350-7683
JANNETTE SANCHEZ
Student in an Organized Health Care Education/Training Program
222 S HILL ST
LOS ANGELES, CA 90012
Los Angeles County (213) 434-0293

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 Erika Mercier's NPI number?

The NPI number for Erika Mercier is 1407404809. It was assigned to this individual provider in the NPPES registry on August 28, 2019.

Where is Erika Mercier located?

Erika Mercier practices at 222 S Hill St, Los Angeles, CA 90012. The listed phone number is (323) 544-3181.

What is Erika Mercier's specialty?

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

Is Erika Mercier enrolled in Medicare?

Yes. Erika Mercier is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Erika Mercier was last updated on June 6, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.