REBECCA UMAYAM F.N.P
NPI 1740521343
Nurse Practitioner - Family in Los Angeles, CA

Active since March 06, 2013PECOS Enrolled
1441 EASTLAKE AVE, LOS ANGELES, CA 90089(323) 865-3105 Get Directions Write a Review

NPPES record last updated: November 27, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Rebecca Umayam F.n.p NPPES

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

REBECCA UMAYAM F.N.P (NPI 1740521343) is an individual family provider in Los Angeles, California, licensed in California (21838) and active in the NPI registry since March 2013. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1740521343
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameREBECCA UMAYAMCredential: F.N.P
Location Address1441 EASTLAKE AVELos Angeles, CA 90089-1019
Mailing AddressPo Box 31309Los Angeles, CA 90031-0309 · (323) 865-3105
Sole ProprietorYes
Enumeration DateMarch 6, 2013
Last NPPES UpdateNovember 27, 2023
NPPES CertifiedAugust 28, 2020
✔ NPI 1740521343 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in CA · 21838
1441 EASTLAKE AVE, Los Angeles, CA 90089

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Rebecca Umayam F.n.p 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 Rebecca Umayam reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

General Practice
1520 SAN PABLO ST
Los Angeles, CA 90033
  • Reassigned Medicare billing, California enrollment
  • 2,445 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.

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.

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.

Internal Medicine (Hematology & Oncology)
1441 EASTLAKE AVE
LOS ANGELES, CA 90089
Physician Assistant (Surgical)
1441 EASTLAKE AVE
LOS ANGELES, CA 90089
Dermatology
1441 EASTLAKE AVE, TOPPING TOWER, SUITE 3405
LOS ANGELES, CA 90089
Nurse Practitioner (Acute Care)
1441 EASTLAKE AVE
LOS ANGELES, CA 90089
Dietitian, Registered
1441 EASTLAKE AVE
LOS ANGELES, CA 90089
Surgery (Surgical Oncology)
1441 EASTLAKE AVE
LOS ANGELES, CA 90089
Internal Medicine (Hematology & Oncology)
1441 EASTLAKE AVE
LOS ANGELES, CA 90089
Student in an Organized Health Care Education/Training Program
1441 EASTLAKE AVE
LOS ANGELES, CA 90089

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 Rebecca Umayam's NPI number?

The NPI number for Rebecca Umayam is 1740521343. It was assigned to this individual provider in the NPPES registry on March 6, 2013.

Where is Rebecca Umayam located?

Rebecca Umayam practices at 1441 Eastlake Ave, Los Angeles, CA 90089. The listed phone number is (323) 865-3105.

What is Rebecca Umayam's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Rebecca Umayam enrolled in Medicare?

Yes. Rebecca Umayam is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Rebecca Umayam's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Rebecca Umayam 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 Rebecca Umayam'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 Rebecca Umayam 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.