Arlene Ledesma Yu, MD, MBA
NPI 1144744772ActiveIndividual· Internal Medicine, Medical Oncology· Cerritos, CA
Internal Medicine, Medical Oncology (MD, MBA) with Providence Medical Foundation and 1 other group, practicing in Cerritos, California. Their prescriptions cost Medicare Part D more than their services did: $619,191 for 256 claims, against $200,443 paid for services in 2024. Novartis Pharmaceuticals Corporation was the largest of 43 companies reporting payments in 2025, $5,025 in all, mostly food and beverage. Lists Jerold Phelps Community Hospital and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1144744772 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD, MBA |
| Sole proprietor | No |
| NPI issued | Jul 26, 2017 |
| Last updated in NPPES | Mar 4, 2024 |
| Certified by provider | Mar 4, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Medical Oncology Primary | 207RX0202X | A185391 | CA |
| Internal Medicine | 207R00000X | A185391 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Hematology/Oncology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 77 |
|---|---|
| Services billed | 5,903 across 57 procedure codes |
| Paid by Medicare | $200,443 |
Part D prescriptions in 2024
| Prescriptions (claims) | 256 · 296 30-day fills |
|---|---|
| Patients | 55 |
| Total drug cost | $619,191 |
| Generic share | 72% of claims |
Education and affiliations
| Graduation year | 2014 |
|---|---|
| Medicare specialty | Hematology/Oncology |
| Telehealth | Offers telehealth |
Medical groups
- Providence Medical FoundationVictorville, CA · 1,466 clinicians
- The Oncology Institute Ca, A Professional CorporationSan Gabriel, CA · 113 clinicians
Hospital affiliations
- Jerold Phelps Community HospitalGarberville, CA
- Mad River Community HospitalArcata, CA
- Providence Redwood Memorial HospitalFortuna, CA
- Providence St Joseph HospitalEureka, CA
Industry payments (Open Payments)
- 2025$5,025 · 176 payments from 43 companies
- 2024$4,605 · 196 payments from 40 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novartis Pharmaceuticals Corporation | $1,240 | 19 |
| Janssen Biotech, Inc. | $546.92 | 23 |
| Astrazeneca Pharmaceuticals LP | $362.60 | 19 |
| Pfizer Inc. | $242.61 | 15 |
| Celgene Corporation | $201.62 | 8 |
What the 2025 payments were for
- Food and Beverage$3,804 · 161 payments
- Long term medical supply or device loan$1,080 · 11 payments
- Education$140.30 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other medical oncologists in Cerritos
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- 1477753903