Arlene Ledesma Yu, MD, MBA
Medical Oncology Physician · Cerritos, CA
Arlene Ledesma Yu, MD, MBA is a medical oncology physician with a practice address in Cerritos, California, and NPI 1144744772, issued on Jul 26, 2017. Check the license (California A185391, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Arlene Ledesma Yu
- Credential
- MD, MBA
- Primary taxonomy
- Medical Oncology Physician 207RX0202X
- License number
- A185391 CA
Self-reported in NPPES; status is on the state search - Practice location
- 18000 Studebaker RD Ste 800, Cerritos, CA 90703
- Phone
- (562) 735-3226
- Enumerated
- Jul 26, 2017
- Record last updated
- Mar 4, 2024
- Medicare enrollment
- Enrolled (PECOS I20231031001539); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest medical oncology physician records → All 447 in California → Look up another NPI →
Also registered at 18000 Studebaker RD Ste 800
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alicia Alexander, MS,PA-CPhysician Assistant1437402989
- Adamma Amadi, FNPPrimary Care Nurse Practitioner1487030656
- Josephine Assini-StruckAcute Care Nurse Practitioner1194290411
- Babak Baseri, M.D.Hematology & Oncology Physician1659716959
- Alex Ehsan, M.D,Medical Oncology Physician1982883948
- Nawazish Khan, MDMedical Oncology Physician1477753903
Verify Arlene Ledesma Yu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A185391Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
64% fewer Medicare Part D claims than the average medical oncology physician in 2024
256 Medicare Part D claims for 55 beneficiaries, against an average of 703 among the 4,230 providers of this specialty who prescribed in Part D. Brand-name drugs were 28% of claims. 18 claims were for opioids.
Most prescribed
- Ondansetron Hcl22 claims
- Aprepitant16 claims
- Eliquis16 claims
- Prednisone16 claims
- Loperamide15 claims
- Olanzapine14 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $4,604.72
194 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Biotech, Inc. The 3,343 providers of this specialty with any payment received $11,773.47 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Providence Medical FoundationEureka, CA
- The Oncology Institute CA, A Professional CorporationPasadena, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Arlene Ledesma Yu among 447 medical oncology physician records in California
Arlene Ledesma Yu, MD, MBA is one of 447 medical oncology physician records with a practice address in California. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 85% of them.
- NPI issued2017 · 85% of these records are older, 11% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2014 · median 2004 among the 312 with a school on file
- Record last updated2024 · 41% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RX0202X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Medical Oncology Physician providers in California
There are 447 medical oncology physician records in California.
All 447 in California → Every provider in Cerritos → Medical Oncology Physician nationwide →
The 8 medical oncology physician records with the nearest ZIP codes
- Alex Ehsan, M.D,Cerritos, CA 907031982883948
- Nawazish Khan, MDCerritos, CA 907031477753903
- Do Young Kim, MBBSCerritos, CA 907031831695667
- Rajendra Prasad, M.D.Lakewood, CA 907121558585323
- Thomas Reynolds, MDMontebello, CA 906401457398471
- Karla Olmedo Gutierrez, MDLong Beach, CA 908131407210891
- Parvin Peddi, MDTorrance, CA 905051750504577
- Jeena Chorath, M.D.Torrance, CA 905021639529480
Common questions
What is Arlene Ledesma Yu, MD, MBA's NPI number?
Arlene Ledesma Yu, MD, MBA's National Provider Identifier (NPI) is 1144744772, issued on Jul 26, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Arlene Ledesma Yu, MD, MBA located?
The NPPES record lists a practice address at 18000 Studebaker RD Ste 800, Cerritos, CA, 90703. Phone: (562) 735-3226. Providers update this record themselves, so call before visiting.
How can I verify Arlene Ledesma Yu, MD, MBA's license?
NPPES lists California license number A185391, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Arlene Ledesma Yu, MD, MBA prescribe under Medicare Part D?
In 2024, Arlene Ledesma Yu, MD, MBA had 256 Medicare Part D claims for 55 beneficiaries; the average among medical oncology physician prescribers was 703. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.