DR. RANDALL JAMES BRENNEMAN MD
NPI 1366899841
Radiology - Radiation Oncology in Springfield, IL
About Dr. Randall James Brenneman Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. RANDALL JAMES BRENNEMAN MD (NPI 1366899841) is an individual radiation oncology provider in Springfield, Illinois, licensed in Illinois (036156598) and active in the NPI registry since May 2016. He is enrolled in Medicare PECOS, is affiliated with St Johns Hospital, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Randall James Brenneman Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
4Medicare enrollment records show Randall Brenneman reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Springfield, IL 62703
- Reassigned Medicare billing, Illinois enrollment
- 735 clinicians in this Medicare group
Alton, IL 62002
- Reassigned Medicare billing, Illinois enrollment
- 530 clinicians in this Medicare group
Saint Louis, MO 63141
- Reassigned Medicare billing, Illinois and Missouri enrollments
- 55 clinicians in this Medicare group
Saint Louis, MO 63110
- Reassigned Medicare billing, Missouri enrollment
- 45 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 23
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
St Johns Hospital
Acute Care Hospitals · Springfield, ILMemorial Medical Center
Acute Care Hospitals · Springfield, ILMissouri Baptist Medical Center
Acute Care Hospitals · Town And Country, MOSt Lukes Hospital
Acute Care Hospitals · Chesterfield, MOPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 62781 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Referred Medical Equipment & Supplies CMS DME claims 3
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Randall Brenneman's NPI number?
The NPI number for Randall Brenneman is 1366899841. It was assigned to this individual provider in the NPPES registry on May 16, 2016.
Where is Randall Brenneman located?
Randall Brenneman practices at 701 North 1st Street Radiation Oncology, Springfield, IL 62781. The listed phone number is (217) 528-7541.
What is Randall Brenneman's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.
Is Randall Brenneman enrolled in Medicare?
Yes. Randall Brenneman is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Randall Brenneman's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Randall Brenneman reassigns Medicare benefits to 4 organizations: Springfield Clinic, LLP (Springfield, IL), Washington University Physicians In Illinois Inc (Alton, IL), Urology Of St. Louis, Inc. (Saint Louis, MO) and Washington University (Saint Louis, MO). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Randall Brenneman's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Randall Brenneman accept?
Health plans from Anthem Blue Cross and Blue Shield and UnitedHealthcare list Randall Brenneman as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Randall Brenneman affiliated with any hospitals?
According to CMS data, Randall Brenneman is affiliated with St Johns Hospital, Memorial Medical Center, Missouri Baptist Medical Center and St Lukes Hospital.
When was this NPI record last updated?
The NPPES record for Randall Brenneman was last updated on August 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 57 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.