Allen M. Chen, M.D.
NPI 1518992981ActiveIndividual· Radiology, Radiation Oncology· Orange, CA
Radiology, Radiation Oncology (M.D.) in Orange, California, licensed in CA, with an NPI issued in July 2006. Medicare paid $1,145 for services to 16 patients in 2024. Lantheus Medical Imaging, Inc. was the largest of 2 companies reporting payments in 2025, $1,260 in all, mostly consulting fees.
Overview
| NPI | 1518992981 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 12, 2006 |
| Last updated in NPPES | Nov 3, 2022 |
| Certified by provider | Nov 3, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Radiology, Radiation Oncology Primary | 2085R0001X | A84562 | 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 | 16 |
|---|---|
| Services billed | 20 across 3 procedure codes |
| Paid by Medicare | $1,145 |
Industry payments (Open Payments)
- 2025$1,260 · 2 payments from 2 companies
- 2024$735.00 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lantheus Medical Imaging, Inc. | $1,137 | 1 |
| Genmab U.S., Inc. | $123.35 | 1 |
What the 2025 payments were for
- Consulting Fee$1,137 · 1 payment
- Food and Beverage$123.35 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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