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YU-NIEN AGUSTIN LCSW
NPI 1265374391
Social Worker - Clinical in El Monte, CA

Active since April 07, 2026PECOS Enrolled
3401 AERO JET AVE, EL MONTE, CA 91731(626) 286-8700(626) 286-8650 Get Directions Write a Review

NPPES record last updated: April 7, 2026. Verified against the NPPES registry weekly; last sync: September 06, 2026.

About Yu-nien Agustin Lcsw NPPES

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

YU-NIEN AGUSTIN LCSW (NPI 1265374391) is an individual clinical provider in El Monte, California, licensed in California (137944) and active in the NPI registry since April 2026. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1265374391
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameYU-NIEN AGUSTINCredential: LCSW
Location Address3401 AERO JET AVEEl Monte, CA 91731-2801
Mailing Address3401 Aero Jet AveEl Monte, CA 91731-2801 · (626) 286-8700
Phone(626) 286-8700
Fax(626) 286-8650
Sole ProprietorYes
Enumeration DateApril 7, 2026
NPPES CertifiedApril 7, 2026
✔ NPI 1265374391 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 · 137944
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.
3401 AERO JET AVE, El Monte, CA 91731
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Other Names 1

Former Name (1)Yu-nien Chang

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Yu-nien Agustin 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 91731 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 9

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

HERALD CHRISTIAN HEALTH CENTER
Clinic/Center (Federally Qualified Health Center (FQHC))
3401 AERO JET AVE
EL MONTE, CA 91731
Los Angeles County (626) 286-8700
DR. JOHN KENNEDY TANNOUS M.D.
Pediatrics
3401 AERO JET AVE
EL MONTE, CA 91731
Los Angeles County (626) 286-8700
LONG YIN TAM PA
Physician Assistant
3401 AERO JET AVE
EL MONTE, CA 91731
Los Angeles County (626) 286-8700
MENGYING LUO
Nurse Practitioner (Family)
3401 AERO JET AVE
EL MONTE, CA 91731
Los Angeles County (626) 286-8700
HUI SHI SERENA LOH
Nurse Practitioner (Psychiatric/Mental Health)
3401 AERO JET AVE
EL MONTE, CA 91731
Los Angeles County (626) 286-8700
I-CHING WU
Social Worker (Clinical)
3401 AERO JET AVE
EL MONTE, CA 91731
Los Angeles County (626) 286-8700
MISS LAI YI KOE PA-C
Physician Assistant
3401 AERO JET AVE
EL MONTE, CA 91731
Los Angeles County (626) 286-8700
ARIANA CRUZ LOZADA
Student in an Organized Health Care Education/Training Program
3401 AERO JET AVE
EL MONTE, CA 91731
Los Angeles County (626) 286-8700

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 Yu-nien Agustin's NPI number?

The NPI number for Yu-nien Agustin is 1265374391. It was assigned to this individual provider in the NPPES registry on April 7, 2026. The provider is also known as Yu-Nien Chang.

Where is Yu-nien Agustin located?

Yu-nien Agustin practices at 3401 Aero Jet Ave, El Monte, CA 91731. The listed phone number is (626) 286-8700.

What is Yu-nien Agustin's specialty?

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

Is Yu-nien Agustin enrolled in Medicare?

Yes. Yu-nien Agustin is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Yu-nien Agustin was last updated on April 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.