Winston Wei Lien, MD
NPI 1255490991ActiveIndividual· Radiology, Radiation Oncology· Los Angeles, CA
Radiology, Radiation Oncology (MD) in Los Angeles, California, trained at University of California, San Diego School of Medicine (class of 2004). Part D covered 212 prescriptions written in 2024, 88% of them generic. Siemens Medical Solutions USA, Inc. was the largest of 4 companies reporting payments in 2025, $843.39 in all, mostly food and beverage.
Overview
| NPI | 1255490991 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Dec 8, 2006 |
| Last updated in NPPES | Dec 21, 2021 |
| Certified by provider | Dec 21, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Radiology, Radiation Oncology Primary | 2085R0001X | A95489 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Radiation Oncology (CA) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 212 · 320 30-day fills |
|---|---|
| Patients | 83 |
| Total drug cost | $15,108 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | University of California, San Diego School of Medicine |
|---|---|
| Graduation year | 2004 |
| Medicare specialty | Radiation Oncology |
Medical group
- Southern California Permanente Medical GroupRedlands, CA · 11,293 clinicians
Industry payments (Open Payments)
- 2025$843.39 · 7 payments from 4 companies
- 2024$324.39 · 4 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Siemens Medical Solutions USA, Inc. | $477.82 | 3 |
| Brainlab, Inc. | $200.00 | 2 |
| Elekta, Inc. | $137.35 | 1 |
| Novocure Inc. | $28.22 | 1 |
What the 2025 payments were for
- Food and Beverage$843.39 · 7 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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