Wes Shen-Lin Lee, M.D.
NPI 1376633149ActiveIndividual· Internal Medicine, Medical Oncology· Santa Rosa, CA
Internal Medicine, Medical Oncology (M.D.) in Santa Rosa, California, trained at University of California, Geffen School of Medicine (class of 1993). Their prescriptions cost Medicare Part D more than their services did: $2,043,346 for 704 claims, against $146,094 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 19 companies reporting payments in 2025, $882.65 in all, mostly food and beverage.
Overview
| NPI | 1376633149 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Oct 13, 2006 |
| Last updated in NPPES | Nov 5, 2021 |
| Certified by provider | Nov 5, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Medical Oncology Primary | 207RX0202X | G82213 | CA |
| Internal Medicine, Hematology | 207RH0000X | G82213 | CA |
| Internal Medicine, Hematology & Oncology | 207RH0003X | G82213 | 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 - Medical Oncology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 295 |
|---|---|
| Services billed | 1,978 across 13 procedure codes |
| Paid by Medicare | $146,094 |
Part D prescriptions in 2024
| Prescriptions (claims) | 704 · 824 30-day fills |
|---|---|
| Patients | 150 |
| Total drug cost | $2,043,346 |
| Generic share | 72% of claims |
Education and affiliations
| Medical school | University of California, Geffen School of Medicine |
|---|---|
| Graduation year | 1993 |
| Medicare specialty | Medical Oncology |
| Telehealth | Offers telehealth |
Medical group
- Providence Medical FoundationVictorville, CA · 1,466 clinicians
Hospital affiliations
- Adventist Health ClearlakeClearlake, CA
- Adventist Health Ukiah ValleyUkiah, CA
- Healdsburg HospitalHealdsburg, CA
- Providence Santa Rosa Memorial HospitalSanta Rosa, CA
- Sonoma Valley HospitalSonoma, CA
Industry payments (Open Payments)
- 2025$882.65 · 40 payments from 19 companies
- 2024$446.31 · 21 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $178.22 | 11 |
| Takeda Pharmaceuticals U.S.A., Inc. | $77.92 | 3 |
| Daiichi Sankyo Inc. | $75.85 | 4 |
| Merck Sharp & Dohme LLC | $69.31 | 3 |
| Regeneron Healthcare Solutions, Inc. | $66.22 | 2 |
What the 2025 payments were for
- Food and Beverage$852.00 · 39 payments
- Education$30.65 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other medical oncologists in Santa Rosa
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