Quick answers
- Which hospitals does Randall J. Brenneman work at?
- Medicare's official clinician data lists Randall J. Brenneman at 4 hospitals: Memorial Medical Center, Missouri Baptist Medical Center, St Johns Hospital and St Lukes Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Randall J. Brenneman see patients?
- Medicare's clinician data lists 9 practice locations, including Springfield, IL, Saint Louis, MO and Jacksonville, IL. Call before your visit to confirm the address.
- What is Randall J. Brenneman's specialty?
- Medicare lists Radiation Oncology as the primary specialty.
- Does Randall J. Brenneman accept Medicare assignment?
- Yes. Medicare's clinician data says Randall J. Brenneman accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Randall J. Brenneman?
- (217) 528-7541, as listed in official Medicare / NPI Registry data.
- What is Randall J. Brenneman's NPI number?
- 1366899841. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Randall J. Brenneman works
Medicare's Facility Affiliation Data lists Randall J. Brenneman at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Memorial Medical CenterSpringfield, IL · Acute Care Hospital · CCN 140148
- Missouri Baptist Medical CenterSaint Louis, MO · Acute Care Hospital · CCN 260108
- St Johns HospitalSpringfield, IL · Acute Care Hospital · CCN 140053
- St Lukes HospitalChesterfield, MO · Acute Care Hospital · CCN 260179
Practice locations
Addresses where Randall J. Brenneman is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 9; the Medicare profile lists all.
- 1025 S 6th StSpringfield, IL 62703 (217) 528‑7541
- 12855 N 40 Dr, Arch Cancer CareSaint Louis, MO 63141 (314) 523‑5444
- 12855 N 40 Dr, Suite 375Saint Louis, MO 63141 (314) 567‑6071
- 2200 Wabash AveSpringfield, IL 62704 (217) 787‑0727
- 567 N Westgate AveJacksonville, IL 62650 (217) 528‑7541
Group practices
Medicare enrollment lists Randall J. Brenneman as a member of these groups (CMS data updated 2026-10-02).
- Springfield Clinic, LLP687 clinicians in the group
- Urology of St Louis Inc94 clinicians in the group
Specialties
- Radiation Oncologyprimary
Other radiation oncologists in Springfield
Clinicians with the same Medicare primary specialty in Springfield, IL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Miami, Lm Miller School Of Medicine |
| Graduation year | 2016 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1366899841 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians