Tobias Robert Chapman, M.D.
NPI 1588927016ActiveIndividual· Radiology, Radiation Oncology· Fairfax, VA
Radiology, Radiation Oncology (M.D.) in Fairfax, Virginia, trained at Tufts University School of Medicine (class of 2012). 586 Medicare patients in 2024, $323,710 paid; nearly all of their 161 Part D prescriptions were generic (96%). Bioprotect Medical, Inc. was the largest of 2 companies reporting payments in 2025, $1,116 in all, mostly food and beverage.
Overview
| NPI | 1588927016 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 19, 2012 |
| Last updated in NPPES | Jun 28, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Radiology, Radiation Oncology Primary | 2085R0001X | 0101265846 | VA |
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 (DC); Practitioner - Radiation Oncology (VA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 586 |
|---|---|
| Services billed | 3,882 across 33 procedure codes |
| Paid by Medicare | $323,710 |
Part D prescriptions in 2024
| Prescriptions (claims) | 161 · 264 30-day fills |
|---|---|
| Patients | 80 |
| Total drug cost | $2,865 |
| Generic share | 96% of claims |
Education and affiliations
| Medical school | Tufts University School of Medicine |
|---|---|
| Graduation year | 2012 |
| Medicare specialty | Radiation Oncology |
| Telehealth | Offers telehealth |
Medical group
- Radiation Oncology Associates PCWoodbridge, VA · 22 clinicians
Hospital affiliations
- Inova Alexandria HospitalAlexandria, VA
- Inova Fair Oaks HospitalFairfax, VA
- Inova Fairfax HospitalFalls Church, VA
- Inova Loudoun HospitalLeesburg, VA
Industry payments (Open Payments)
- 2025$1,116 · 17 payments from 2 companies
- 2024$251.24 · 4 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Bioprotect Medical, Inc. | $1,022 | 15 |
| Siemens Medical Solutions USA, Inc. | $94.27 | 2 |
What the 2025 payments were for
- Food and Beverage$1,116 · 17 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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