Eric Chen, MD
NPI 1578126124ActiveIndividual· Radiology, Radiation Oncology· Orange, CA
Radiology, Radiation Oncology (MD) with Uc Regents Department of Radiation Oncology, practicing in Orange, California. Mostly services rather than prescriptions: Medicare paid $18,403 for 38 patients in 2024, with only 18 Part D claims. Regeneron Healthcare Solutions, Inc. reported $119.46 in payments in 2025, mostly food and beverage. Lists Hoag Memorial Hospital Presbyterian and 1 other hospital as hospital affiliations.
Overview
| NPI | 1578126124 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 19, 2019 |
| Last updated in NPPES | Sep 5, 2024 |
| Certified by provider | Sep 5, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Radiology, Radiation Oncology Primary | 2085R0001X | A198254 | 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 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 - Radiation Oncology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 38 |
|---|---|
| Services billed | 217 across 15 procedure codes |
| Paid by Medicare | $18,403 |
Part D prescriptions in 2024
| Prescriptions (claims) | 18 · 18 30-day fills |
|---|---|
| Patients | 11 |
| Total drug cost | $150.86 |
| Generic share | 94% of claims |
Education and affiliations
| Graduation year | 2019 |
|---|---|
| Medicare specialty | Radiation Oncology |
| Telehealth | Offers telehealth |
Medical group
- Uc Regents Department of Radiation OncologyOrange, CA · 16 clinicians
Hospital affiliations
- Hoag Memorial Hospital PresbyterianNewport Beach, CA
- Uci Health-OrangeOrange, CA
Industry payments (Open Payments)
- 2025$119.46 · 1 payment from 1 company
- 2024$125.01 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Regeneron Healthcare Solutions, Inc. | $119.46 | 1 |
What the 2025 payments were for
- Food and Beverage$119.46 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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