DR. STELLA KIM YOO M.D.
NPI 1275944084
Radiology - Radiation Oncology in Los Angeles, CA

Q: What is Stella Yoo's NPI number?

The NPI number for Stella Yoo is 1275944084. It was assigned to this individual provider in the NPPES registry on May 14, 2014.

Q: What is Stella Yoo's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.

Q: When was this NPI record last updated?

The NPPES record for Stella Yoo was last updated on November 27, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.

Active since May 14, 2014PECOS Enrolled

1441 EASTLAKE AVE, LOS ANGELES, CA 90089(323) 865-3050 Get Directions Write a Review

NPPES record last updated: November 27, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 17, 2020, Aug 25, 2020 (2 updates tracked since 2020).

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About Dr. Stella Kim Yoo M.d. NPPES

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

DR. STELLA KIM YOO M.D. (NPI 1275944084) is an individual radiation oncology provider in Los Angeles, California, licensed in California (A140409) and active in the NPI registry since May 2014. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1275944084

Entity TypeIndividualFemale

Primary Taxonomy2085R0001X

Provider Legal NameDR. STELLA KIM YOOCredential: M.D.

Location Address1441 EASTLAKE AVELos Angeles, CA 90089-5000

Mailing AddressPo Box 31309Los Angeles, CA 90031-0309 · (323) 865-3050

Phone(323) 865-3050

Sole ProprietorNo

Enumeration DateMay 14, 2014

Last NPPES UpdateNovember 27, 20232 updates tracked since enumeration

NPPES CertifiedSeptember 17, 2020

✔ NPI 1275944084 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyRadiology · Radiation OncologyAllopathic & Osteopathic Physicians

Taxonomy Code2085R0001X

License✔ Licensed in CA · A140409

Definition

A radiologist who deals with the therapeutic applications of radiant energy and its modifiers and the study and management of disease, especially malignant tumors.

Also ListedInternal MedicineTaxonomy 207R00000X · License MT205717 (PA)

1441 EASTLAKE AVE, Los Angeles, CA 90089

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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 (PECOS)

Dr. Stella Kim Yoo M.d. 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.

Medicare Billing Reassignment

Medicare enrollment records show Stella Yoo reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Usc Care Medical Group, Inc

0.1 mi

General Practice

1520 SAN PABLO ST
Los Angeles, CA 90033

Reassigned Medicare billing, California enrollment
2,445 clinicians in this Medicare group

NPI 1902846306 (323) 442-5955

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 90089 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

$187.60 typical visit price

range $62.96 – $187.60

Typical copayment $46.90 (range $15.74 – $46.90)

Most-billed visit code 99205

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.

DR. DANIELLE RENEE STERRENBERG M.D.

Internal Medicine (Hematology & Oncology)

1441 EASTLAKE AVE
LOS ANGELES, CA 90089

Los Angeles County (323) 865-0563

EMILY ELIZABETH TALMICH PA-C

Physician Assistant (Surgical)

1441 EASTLAKE AVE
LOS ANGELES, CA 90089

Los Angeles County (323) 865-3700

DR. NEDA R BLACK M.D.

Dermatology

1441 EASTLAKE AVE, TOPPING TOWER, SUITE 3405
LOS ANGELES, CA 90089

Los Angeles County (818) 634-2514

STEPHANIE TIEMPO BITANGA NP-C

Nurse Practitioner (Acute Care)

1441 EASTLAKE AVE
LOS ANGELES, CA 90089

Los Angeles County (323) 865-3000

CARMEN LUCIA MARTINEZ MS,RD

Dietitian, Registered

1441 EASTLAKE AVE
LOS ANGELES, CA 90089

Los Angeles County (323) 865-3893

DR. BURTON L. EISENBERG MD

Surgery (Surgical Oncology)

1441 EASTLAKE AVE
LOS ANGELES, CA 90089

Los Angeles County (323) 865-3535

DR. ERIC LEON TAM MD

Internal Medicine (Hematology & Oncology)

1441 EASTLAKE AVE
LOS ANGELES, CA 90089

Los Angeles County (323) 865-3105

DR. AKBAR ASHRAFI MD

Student in an Organized Health Care Education/Training Program

1441 EASTLAKE AVE
LOS ANGELES, CA 90089

Los Angeles County (818) 877-5954

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 Stella Yoo's NPI number?

The NPI number for Stella Yoo is 1275944084. It was assigned to this individual provider in the NPPES registry on May 14, 2014.

Where is Stella Yoo located?

Stella Yoo practices at 1441 Eastlake Ave, Los Angeles, CA 90089. The listed phone number is (323) 865-3050.

What is Stella Yoo's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.

Is Stella Yoo enrolled in Medicare?

Yes. Stella Yoo is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Stella Yoo's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Stella Yoo reassigns Medicare benefits to Usc Care Medical Group, 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 Stella Yoo'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 Stella Yoo was last updated on November 27, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.