DR. ARLENE LEDESMA YU MD, MBA
NPI 1144744772
Internal Medicine - Medical Oncology in Cerritos, CA
About Dr. Arlene Ledesma Yu Md, Mba NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ARLENE LEDESMA YU MD, MBA (NPI 1144744772) is an individual medical oncology provider in Cerritos, California, licensed in California (A185391) and active in the NPI registry since July 2017. She is enrolled in Medicare PECOS and is a graduate of Other (2014).
NPPES Registry Identity
Specialties & Licenses 2
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
Dr. Arlene Ledesma Yu Md, Mba 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.
Medicare Billing Reassignments
2Medicare enrollment records show Arlene Yu reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Downey, CA 90241
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: The Oncology Institute Ca, A Professional Corporation
- 110 clinicians in this Medicare group
Anaheim, CA 92805
- Reassigned Medicare billing, California enrollment
- 1,699 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.
Areas of Expertise CMS Part B claims 3
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 90703 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
CERRITOS, CA 90703
CERRITOS, CA 90703
CERRITOS, CA 90703
CERRITOS, CA 90703
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 Arlene Yu's NPI number?
The NPI number for Arlene Yu is 1144744772. It was assigned to this individual provider in the NPPES registry on July 26, 2017.
Where is Arlene Yu located?
Arlene Yu practices at 18000 Studebaker Rd Ste 800, Cerritos, CA 90703. The listed phone number is (562) 735-3226.
What is Arlene Yu's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.
Is Arlene Yu enrolled in Medicare?
Yes. Arlene Yu 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 Arlene Yu's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Arlene Yu reassigns Medicare benefits to 2 organizations: Starling Oncology Ca, A Professional Corporation (Downey, CA) and Providence Medical Foundation (Anaheim, 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 Arlene Yu'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 Arlene Yu was last updated on March 4, 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.
# Dr. Arlene Ledesma Yu, MD, MBA · NPI 1144744772
Medical Oncology physician in Cerritos, California. Individual provider, active in the CMS NPPES registry since July 26, 2017.
## Identity
- **NPI:** 1144744772 (Entity type: Individual)
- **Enumerated:** July 26, 2017
- **Primary specialty:** Internal Medicine - Medical Oncology · taxonomy 207RX0202X
- **State license:** A185391 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 18000 STUDEBAKER RD STE 800, Cerritos, CA 90703-2671
- **Phone:** (562) 735-3226
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Starling Oncology Ca, A Professional Corporation (NPI 1275651515, Downey, CA); Providence Medical Foundation (NPI 1639715709, Anaheim, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2014
## Record status
- **NPPES last updated:** March 4, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1144744772) · Data from the CMS NPPES public registry.