JENNY SEONG
NPI 1861996399
Anesthesiology in Los Angeles, CA

Active since March 20, 2018PECOS EnrolledAccepts Medicare Assignment
757 WESTWOOD PLZ, LOS ANGELES, CA 90095(310) 825-9111 Get Directions Write a Review

NPPES record last updated: December 10, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Dec 10, 2025, Sep 21, 2022, Mar 20, 2018 (3 updates tracked since 2018).

About Jenny Seong NPPES

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

JENNY SEONG (NPI 1861996399) is an individual anesthesiology provider in Los Angeles, California, licensed in California (A165609) and active in the NPI registry since March 2018. She is enrolled in Medicare PECOS and is a graduate of University Of California, Irvine, California College Of Medicine (2018).

NPPES Registry Identity

NPI1861996399
Entity TypeIndividualFemale
Primary Taxonomy207L00000X
Provider Legal NameJENNY SEONG
Location Address757 WESTWOOD PLZLos Angeles, CA 90095-8358
Mailing Address293 N State College Blvd Apt 4021Orange, CA 92868-5727 · (651) 468-9225
Sole ProprietorNo
Medical School CMSUniversity Of California, Irvine, California College Of MedicineGraduated 2018
Enumeration DateMarch 20, 2018
Last NPPES UpdateDecember 10, 20253 updates tracked since enumeration
NPPES CertifiedDecember 10, 2025
✔ NPI 1861996399 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in CA · A165609
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
757 WESTWOOD PLZ, Los Angeles, CA 90095

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

Jenny Seong 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 ID1153797469
PECOS Enrollment IDI20221011002309
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 Reassignments

4

Medicare enrollment records show Jenny Seong reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Anesthesiology
8700 BEVERLY BLVD STE SB-290
Los Angeles, CA 90048
  • Reassigned Medicare billing, California enrollment
  • 2,118 clinicians in this Medicare group
Health Maintenance Organization
6041 CADILLAC AVE
Los Angeles, CA 90034
  • Reassigned Medicare billing, California enrollment
  • 13,921 clinicians in this Medicare group
General Acute Care Hospital
1720 E CESAR E CHAVEZ AVE
Los Angeles, CA 90033
  • Reassigned Medicare billing, California enrollment
  • 131 clinicians in this Medicare group
Psychiatric Unit
1509 WILSON TER
Glendale, CA 91206
  • Reassigned Medicare billing, California enrollment
  • 164 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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.

Anesthesiology
757 WESTWOOD PLZ
LOS ANGELES, CA 90095
Pediatrics
757 WESTWOOD PLZ, B711 RRUMC
LOS ANGELES, CA 90095
Anesthesiology
757 WESTWOOD PLZ
LOS ANGELES, CA 90095
Internal Medicine
757 WESTWOOD PLZ
LOS ANGELES, CA 90095
Student in an Organized Health Care Education/Training Program
757 WESTWOOD PLZ
LOS ANGELES, CA 90095
Student in an Organized Health Care Education/Training Program
757 WESTWOOD PLZ
LOS ANGELES, CA 90095
Student in an Organized Health Care Education/Training Program
757 WESTWOOD PLZ
LOS ANGELES, CA 90095
Student in an Organized Health Care Education/Training Program
757 WESTWOOD PLZ
LOS ANGELES, CA 90095

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 Jenny Seong's NPI number?

The NPI number for Jenny Seong is 1861996399. It was assigned to this individual provider in the NPPES registry on March 20, 2018.

Where is Jenny Seong located?

Jenny Seong practices at 757 Westwood Plz, Los Angeles, CA 90095. The listed phone number is (310) 825-9111.

What is Jenny Seong's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Jenny Seong enrolled in Medicare?

Yes. Jenny Seong 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 organizations bill Medicare for Jenny Seong's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jenny Seong reassigns Medicare benefits to 4 organizations: Cedars-Sinai Medical Care Foundation (Los Angeles, CA), Southern California Permanente Medical Group (Los Angeles, CA), White Memorial Medical Center (Los Angeles, CA) and Glendale Adventist Medical Center (Glendale, CA). Each 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 Jenny Seong'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 Jenny Seong was last updated on December 10, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.