Randall James Brenneman, MD
NPI 1366899841ActiveIndividual· Radiology, Radiation Oncology· Springfield, IL
Radiology, Radiation Oncology (MD) in Springfield, Illinois, trained at University of Miami, Lm Miller School of Medicine (class of 2016). 157 Medicare patients in 2024, $765,402 paid; nearly all of their 295 Part D prescriptions were generic (91%). Tactile Systems Technology Inc was the largest of 13 companies reporting payments in 2025, $430.20 in all, mostly food and beverage.
Overview
| NPI | 1366899841 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 16, 2016 |
| Last updated in NPPES | Aug 27, 2026 |
| Certified by provider | Aug 27, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Radiology, Radiation Oncology Primary | 2085R0001X | 036156598 | IL |
| Radiology, Radiation Oncology | 2085R0001X | 2021019467 | 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 | 157 |
|---|---|
| Services billed | 4,297 across 37 procedure codes |
| Paid by Medicare | $765,402 |
Part D prescriptions in 2024
| Prescriptions (claims) | 295 · 333 30-day fills |
|---|---|
| Patients | 108 |
| Total drug cost | $49,107 |
| Generic share | 91% of claims |
Education and affiliations
| Medical school | University of Miami, Lm Miller School of Medicine |
|---|---|
| Graduation year | 2016 |
| Medicare specialty | Radiation Oncology |
Medical groups
- Springfield Clinic, LLPSpringfield, IL · 687 clinicians
- Urology of St Louis IncSaint Peters, MO · 94 clinicians
Hospital affiliations
- Memorial Medical CenterSpringfield, IL
- Missouri Baptist Medical CenterSaint Louis, MO
- St Johns HospitalSpringfield, IL
- St Lukes HospitalChesterfield, MO
Industry payments (Open Payments)
- 2025$430.20 · 15 payments from 13 companies
- 2024$216.49 · 10 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Tactile Systems Technology Inc | $105.85 | 1 |
| Boston Scientific Corporation | $48.96 | 2 |
| Daiichi Sankyo Inc. | $48.26 | 2 |
| Ipsen Biopharmaceuticals, Inc | $34.37 | 1 |
| Janssen Biotech, Inc. | $33.71 | 1 |
What the 2025 payments were for
- Food and Beverage$430.20 · 15 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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