James Yu Chang Shen, M.D.
Internal Medicine, Hematology & Oncology (M.D.) in Arcadia, California, trained at University of Pittsburgh School of Medicine (class of 2010). Their prescriptions cost Medicare Part D more than their services did: $4,878,693 for 1,742 claims, against $2,522,524 paid for services in 2024. Dendreon Pharmaceuticals LLC was the largest of 2 companies reporting payments in 2025, $98.62 in all, mostly food and beverage. A record with the same name and state is on the OIG exclusion list; it carries no NPI, so check it before acting.
Overview
| NPI | 1063792265 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Aug 19, 2011 |
| Last updated in NPPES | Nov 11, 2020 |
| Certified by provider | Nov 11, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | A124341 | CA |
| Internal Medicine, Medical Oncology | 207RX0202X | A124341 | CA |
Exclusion screening
Possible match: verify before acting. The OIG list has a record with the same name in California, but that record carries no NPI, so it may be a different person or business.
| Matched by | Name on OIG list | Exclusion type | Excluded since | Location |
|---|---|---|---|---|
| Name + state | James Shen · Dentist | 1128b4 | Jan 20, 2009 | Huntington Beach, CA |
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | Possible (name) | See above |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 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 | 538 |
|---|---|
| Services billed | 173,631 across 128 procedure codes |
| Paid by Medicare | $2,522,524 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,742 · 2,518 30-day fills |
|---|---|
| Patients | 212 |
| Total drug cost | $4,878,693 |
| Generic share | 74% of claims |
Education and affiliations
| Medical school | University of Pittsburgh School of Medicine |
|---|---|
| Graduation year | 2010 |
| Medicare specialty | Hematology/Oncology |
| Telehealth | Offers telehealth |
Medical group
- City of Hope Medical FoundationDuarte, CA · 982 clinicians
Hospital affiliations
- Huntington HospitalPasadena, CA
- Usc Arcadia HospitalArcadia, CA
Other facilities
- Happy Home Health ServicesHome health agency · Arcadia, CA
- Rose Haven Home HealthHome health agency · Temple City, CA
Industry payments (Open Payments)
- 2025$98.62 · 3 payments from 2 companies
- 2024$475.21 · 5 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Dendreon Pharmaceuticals LLC | $56.73 | 1 |
| Novartis Pharmaceuticals Corporation | $41.89 | 2 |
What the 2025 payments were for
- Food and Beverage$98.62 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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