Yi-Jen Chen, MD
NPI 1972698868ActiveIndividual· Radiology, Radiation Oncology· Duarte, CA
Radiology, Radiation Oncology (MD) with City of Hope Medical Foundation, practicing in Duarte, California. Mostly services rather than prescriptions: Medicare paid $99,480 for 106 patients in 2024, with only 15 Part D claims. Accuray Incorporated was the largest of 2 companies reporting payments in 2024, $269.69 in all, mostly food and beverage.
Overview
| NPI | 1972698868 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Oct 4, 2006 |
| Last updated in NPPES | Nov 23, 2020 |
| Certified by provider | Nov 23, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Radiology, Radiation Oncology Primary | 2085R0001X | A69910 | 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) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 106 |
|---|---|
| Services billed | 1,079 across 36 procedure codes |
| Paid by Medicare | $99,480 |
Part D prescriptions in 2024
| Prescriptions (claims) | 15 · 18 30-day fills |
|---|---|
| Patients | 11 |
| Total drug cost | $540.77 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 1984 |
|---|---|
| Medicare specialty | Radiation Oncology |
Medical group
- City of Hope Medical FoundationDuarte, CA · 982 clinicians
Industry payments (Open Payments)
- 2024$269.69 · 3 payments from 2 companies
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Accuray Incorporated | $214.25 | 2 |
| Gt Medical Technologies, Inc | $55.44 | 1 |
What the 2024 payments were for
- Food and Beverage$269.69 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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