Randall James Brenneman, MD
Radiation Oncology (CMS) · Springfield, IL
At a glance
701 North 1St Street Radiation Oncology, Springfield, IL 62781-1032
NPPES record updated Aug 27, 2026. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
701 North 1St Street Radiation OncologySpringfield, IL 62781-1032
Additional reported practice locations
326 Fountains PkwyFairview Hts, IL 622082041
Phone: 6182773109 12855 N 40 Dr Ste Ll
Saint Louis, MO 631418663
Phone: 3145676071
Education & affiliations
- Medical / professional school
- University Of Miami, Lm Miller School Of Medicine
- Graduation year
- 2016
- CMS specialties
- Radiation Oncology
Practice groups
Reported hospital affiliations
- Memorial Medical Center Springfield, IL
- Missouri Baptist Medical Center Saint Louis, MO
- St Johns Hospital Springfield, IL
- St Lukes Hospital Chesterfield, MO
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Source: CMS Facility Affiliation Data · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
No displayed procedure-category record in this release. This does not mean the clinician performs no procedures.
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Find providers with a similar service mix
Compare 2024 published Medicare activity in the same reported specialty, here or in another city.
Industry-reported general payments
Includes reported transfers of value, such as meals, travel, or consulting. Payments do not establish improper conduct or quality of care. Research funding and ownership values are excluded from this total.
See payment purposes and reporting companies
Reported purposes
| Purpose | Amount |
|---|---|
| Food and beverage | $430.20 |
Reporting companies
| Company | Amount |
|---|---|
| TACTILE SYSTEMS TECHNOLOGY INC | $105.85 |
| BOSTON SCIENTIFIC CORPORATION | $48.96 |
| DAIICHI SANKYO INC. | $48.26 |
| IPSEN BIOPHARMACEUTICALS, INC | $34.37 |
| JANSSEN BIOTECH, INC. | $33.71 |
| TERSERA THERAPEUTICS LLC | $27.62 |
| NOVARTIS PHARMACEUTICALS CORPORATION | $23.45 |
| IMMUNOCORE LIMITED | $23.10 |
| Other reporting companies | $84.88 |
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Radiation Oncology (CMS)
- Taxonomy code
- 2085R0001X
- Enumeration date
- May 16, 2016
- Record updated
- Aug 27, 2026
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- MD
Reported taxonomies and licenses
2085R0001X
License reported: 2021019467 MO
2085R0001X · Primary
License reported: 036156598 IL
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
701 North 1St Street Radiation OncologySpringfield, IL 62781-1032
- Phone
- (217) 528-7541
- Fax
- (314) 747-9557
Mailing address
4921 PARKVIEW PLDEPT RADIATION ONCOLOGY, LL
SAINT LOUIS, MO 631101032
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
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