Matthew W. Allen, MD
NPI 1235301714ActiveIndividual· Radiology, Radiation Oncology· Redding, CA
Radiology, Radiation Oncology (MD) in Redding, California, trained at Harvard Medical School (class of 2003). 661 Medicare patients in 2024, $3,904,187 paid; nearly all of their 137 Part D prescriptions were generic (90%). Tempus Ai, Inc was the largest of 2 companies reporting payments in 2025, $67.30 in all, mostly food and beverage.
Overview
| NPI | 1235301714 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 25, 2008 |
| Last updated in NPPES | May 24, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Radiology, Radiation Oncology Primary | 2085R0001X | A111934 | CA |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
| Radiology, Radiation Oncology | 2085R0001X | ME102606 | FL |
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 - Radiation Oncology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 661 |
|---|---|
| Services billed | 13,737 across 39 procedure codes |
| Paid by Medicare | $3,904,187 |
Part D prescriptions in 2024
| Prescriptions (claims) | 137 · 176 30-day fills |
|---|---|
| Patients | 75 |
| Total drug cost | $12,272 |
| Generic share | 90% of claims |
Education and affiliations
| Medical school | Harvard Medical School |
|---|---|
| Graduation year | 2003 |
| Medicare specialty | Radiation Oncology |
Medical group
- Paragon Chico Medical Group IncChico, CA · 10 clinicians
Hospital affiliations
- Mercy Medical Center of Mt ShastaMount Shasta, CA
- Mercy Medical Center ReddingRedding, CA
- Shasta Regional Medical CenterRedding, CA
- St Elizabeth Community HospitalRed Bluff, CA
- Trinity HospitalWeaverville, CA
Industry payments (Open Payments)
- 2025$67.30 · 3 payments from 2 companies
- 2024$158.78 · 7 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Tempus Ai, Inc | $46.80 | 2 |
| Novocure Inc. | $20.50 | 1 |
What the 2025 payments were for
- Food and Beverage$67.30 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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