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JESSICA MYUNG JIN YUN LCSW
NPI 1306323506
Social Worker - Clinical in Los Angeles, CA

Active since July 20, 2018PECOS EnrolledAccepts Medicare Assignment
520 S LAFAYETTE PARK PL, UNIT 300, LOS ANGELES, CA 90057(213) 252-2100 Get Directions Write a Review

NPPES record last updated: December 19, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Dec 19, 2022, Jun 4, 2019, Jul 20, 2018 (3 updates tracked since 2018).

About Jessica Myung Jin Yun Lcsw NPPES

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

JESSICA MYUNG JIN YUN LCSW (NPI 1306323506) is an individual clinical provider in Los Angeles, California, licensed in California (LCSW111693) and active in the NPI registry since July 2018. She is enrolled in Medicare PECOS and is a graduate of Other (2019).

NPPES Registry Identity

NPI1306323506
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameJESSICA MYUNG JIN YUNCredential: LCSW
Location Address520 S LAFAYETTE PARK PL, UNIT 300Los Angeles, CA 90057
Mailing Address715 S Oxford Ave Apt 310Los Angeles, CA 90005-2990 · (213) 905-9231
Phone(213) 252-2100
Sole ProprietorNo
Medical School CMSOtherGraduated 2019
Enumeration DateJuly 20, 2018
Last NPPES UpdateDecember 19, 20223 updates tracked since enumeration
NPPES CertifiedDecember 19, 2022
✔ NPI 1306323506 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 · LCSW111693
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 89210 (CA)
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
520 S LAFAYETTE PARK PL, Los Angeles, CA 90057
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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 and accepts Medicare assignment

Jessica Myung Jin Yun Lcsw is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5698148799
PECOS Enrollment IDI20230309002247
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 Jessica Yun reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Special Service For Groups, Inc.
Same address
Psychologist
520 S LA FAYETTE PARK PL, #300
Los Angeles, CA 90057
  • Reassigned Medicare billing, California enrollment
  • 131 clinicians in this Medicare group
NPI 1912951732 (213) 252-2100

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 90057 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.

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 Jessica Yun's NPI number?

The NPI number for Jessica Yun is 1306323506. It was assigned to this individual provider in the NPPES registry on July 20, 2018.

Where is Jessica Yun located?

Jessica Yun practices at 520 S Lafayette Park Pl Unit 300, Los Angeles, CA 90057. The listed phone number is (213) 252-2100.

What is Jessica Yun's specialty?

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

Is Jessica Yun enrolled in Medicare?

Yes. Jessica Yun is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Jessica Yun's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jessica Yun reassigns Medicare benefits to Special Service For Groups, Inc. (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 Jessica Yun'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 Jessica Yun was last updated on December 19, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.