MRS. MICHELLE MARIANNA LEON RN, MSN, NP
NPI 1689824310
Nurse Practitioner - Adult Health in Los Angeles, CA

Q: What is Michelle Leon's NPI number?

The NPI number for Michelle Leon is 1689824310. It was assigned to this individual provider in the NPPES registry on September 30, 2008. The provider is also known as Ms. Michelle Marianna Leon.

Q: What is Michelle Leon's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.

Q: When was this NPI record last updated?

The NPPES record for Michelle Leon was last updated on October 15, 2024. 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 September 30, 2008PECOS EnrolledAccepts Medicare Assignment

99.12/100

CMS Quality Rating

1441 EASTLAKE AVE, LOS ANGELES, CA 90089(323) 865-3000 Get Directions Write a Review

NPPES record last updated: October 15, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Nov 12, 2020, Mar 8, 2018 (2 updates tracked since 2018).

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About Mrs. Michelle Marianna Leon Rn, Msn, Np NPPES

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

MRS. MICHELLE MARIANNA LEON RN, MSN, NP (NPI 1689824310) is an individual adult health provider in Los Angeles, California, licensed in California (18449) and active in the NPI registry since September 2008. She is enrolled in Medicare PECOS and is a graduate of Other (2008).

NPPES Registry Identity

NPI1689824310

Entity TypeIndividualFemale

Primary Taxonomy363LA2200X

Provider Legal NameMRS. MICHELLE MARIANNA LEONCredential: RN, MSN, NP

Location Address1441 EASTLAKE AVELos Angeles, CA 90089-3012

Mailing AddressPo Box 31309Los Angeles, CA 90031-0309 · (323) 442-5100

Phone(323) 865-3000

Sole ProprietorYes

Medical School CMSOtherGraduated 2008

Enumeration DateSeptember 30, 2008

Last NPPES UpdateOctober 15, 20242 updates tracked since enumeration

NPPES CertifiedOctober 15, 2024

✔ NPI 1689824310 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · Adult HealthPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LA2200X

License✔ Licensed in CA · 18449

Also ListedNurse PractitionerTaxonomy 363L00000X · License 18449 (CA)

1441 EASTLAKE AVE, Los Angeles, CA 90089

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Other Names 1

Former Name (1)Ms. Michelle Marianna Leon

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

Mrs. Michelle Marianna Leon Rn, Msn, Np 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 ID2567762461

PECOS Enrollment IDI20151125001227

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

Medicare enrollment records show Michelle Leon reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Usc Care Medical Group, Inc

0.2 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

City Of Hope Medical Foundation

14 mi

Hematology & Oncology

1500 DUARTE RD
Duarte, CA 91010

Reassigned Medicare billing, California enrollment
1,335 clinicians in this Medicare group

NPI 1871886366 (626) 256-4673

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

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

252 services62 patients

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

$96.36 typical visit price

range $62.96 – $187.60

Typical copayment $24.09 (range $15.74 – $46.90)

Most-billed visit code 99203

Established Patient

$109.96 typical visit price

range $20.84 – $153.61

Typical copayment $27.49 (range $5.21 – $38.40)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

99.12/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

85.23

Promoting Interoperability

100

Improvement Activities

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Sirolimus, oral, 1 mg J7520

Treatment-Treatment - Miscellaneous · category RX029N

1 supplier27 claims1,560 services$2.56 avg. paid by Medicare

Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for the first prescription in a 30-day period Q0511

Treatment-Chemotherapy · category RH012N

1 supplier26 claims26 services$18.95 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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 Michelle Leon's NPI number?

The NPI number for Michelle Leon is 1689824310. It was assigned to this individual provider in the NPPES registry on September 30, 2008. The provider is also known as Ms. Michelle Marianna Leon.

Where is Michelle Leon located?

Michelle Leon practices at 1441 Eastlake Ave, Los Angeles, CA 90089. The listed phone number is (323) 865-3000.

What is Michelle Leon's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.

Is Michelle Leon enrolled in Medicare?

Yes. Michelle Leon 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 Michelle Leon's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Michelle Leon reassigns Medicare benefits to 2 organizations: Usc Care Medical Group, Inc (Los Angeles, CA) and City Of Hope Medical Foundation (Duarte, 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 Michelle Leon'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 Michelle Leon was last updated on October 15, 2024. 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.