Christopher Douglas Abraham, MD
NPI 1083900294ActiveIndividual· Radiology, Radiation Oncology· Springfield, IL
Radiology, Radiation Oncology (MD) with Washington University and 2 other groups, practicing in Springfield, Illinois. 173 Medicare patients in 2024, $102,683 paid; nearly all of their 133 Part D prescriptions were generic (96%). Siemens Medical Solutions USA, Inc. reported $216.44 in payments in 2025, mostly food and beverage. Lists Alton Memorial Hospital and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1083900294 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 27, 2011 |
| Last updated in NPPES | Feb 26, 2026 |
| Certified by provider | Feb 26, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Radiology, Radiation Oncology Primary | 2085R0001X | 036141682 | IL |
| Radiology, Radiation Oncology | 2085R0001X | 2016028022 | MO |
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 (IL); Practitioner - Radiation Oncology (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 173 |
|---|---|
| Services billed | 1,266 across 28 procedure codes |
| Paid by Medicare | $102,683 |
Part D prescriptions in 2024
| Prescriptions (claims) | 133 · 143 30-day fills |
|---|---|
| Patients | 59 |
| Total drug cost | $3,149 |
| Generic share | 96% of claims |
Education and affiliations
| Graduation year | 2011 |
|---|---|
| Medicare specialty | Radiation Oncology |
Medical groups
- Washington UniversitySaint Louis, MO · 3,029 clinicians
- Springfield Clinic, LLPSpringfield, IL · 687 clinicians
- Washington University Physicians in Illinois IncSaint Louis, MO · 175 clinicians
Hospital affiliations
- Alton Memorial HospitalAlton, IL
- Barnes Jewish HospitalSaint Louis, MO
- Barnes-Jewish St Peters HospitalSaint Peters, MO
- Christian Hospital NortheastSaint Louis, MO
- Memorial Medical CenterSpringfield, IL
Industry payments (Open Payments)
- 2025$216.44 · 3 payments from 1 company
- 2024$144.91 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Siemens Medical Solutions USA, Inc. | $216.44 | 3 |
What the 2025 payments were for
- Food and Beverage$216.44 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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