Yu-Wei Chen, M.D.
NPI 1245694801ActiveIndividual· Internal Medicine, Hematology & Oncology· San Diego, CA
Internal Medicine, Hematology & Oncology (M.D.) with Regents of the University of California, practicing in San Diego, California. Their prescriptions cost Medicare Part D more than their services did: $3,345,801 for 971 claims, against $65,540 paid for services in 2024. Eisai Inc. was the largest of 12 companies reporting payments in 2025, $5,142 in all, mostly consulting fees. Lists Uc San Diego Health Hillcrest - Hillcrest Med Ctr as a hospital affiliation.
Overview
| NPI | 1245694801 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Apr 11, 2016 |
| Last updated in NPPES | Nov 12, 2025 |
| Certified by provider | Nov 12, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | A161555 | 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 | 145 |
|---|---|
| Services billed | 955 across 13 procedure codes |
| Paid by Medicare | $65,540 |
Part D prescriptions in 2024
| Prescriptions (claims) | 971 · 1,234 30-day fills |
|---|---|
| Patients | 102 |
| Total drug cost | $3,345,801 |
| Generic share | 71% of claims |
Education and affiliations
| Graduation year | 2012 |
|---|---|
| Medicare specialty | Hematology/Oncology |
| Telehealth | Offers telehealth |
Medical group
- Regents of the University of CaliforniaSan Diego, CA · 2,089 clinicians
Hospital affiliation
- Uc San Diego Health Hillcrest - Hillcrest Med CtrSan Diego, CA
Industry payments (Open Payments)
- 2025$5,142 · 22 payments from 12 companies
- 2024$3,001 · 15 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Eisai Inc. | $2,544 | 3 |
| Janssen Biotech, Inc. | $1,383 | 2 |
| Exelixis Inc. | $422.63 | 7 |
| Pfizer Inc. | $150.00 | 1 |
| Janssen Scientific Affairs, LLC | $129.00 | 1 |
What the 2025 payments were for
- Consulting Fee$3,663 · 2 payments
- Food and Beverage$1,480 · 20 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 95 hematologist-oncologists in San Diego · All hematologist-oncologists in California