Randall James Brenneman, MD
Radiation Oncology Physician · Springfield, IL
Randall James Brenneman, MD is a radiation oncology physician with a practice address in Springfield, Illinois, and NPI 1366899841, issued on May 16, 2016. Check the license (Illinois 036156598, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Randall James Brenneman
- Credential
- MD
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License numbers
- 036156598 IL
2021019467 MO
Self-reported in NPPES; status is on the state search - Practice location
- 701 North 1St Street Radiation Oncology, Springfield, IL 62781
- Phone
- (217) 528-7541
- Enumerated
- May 16, 2016
- Record last updated
- Aug 19, 2024
- Fax
- (314) 747-9557
- Medicaid ID
- 200061655 MO
- Medicare enrollment
- Enrolled (PECOS I20210707003560); accepts Medicare assignment
- Medical or professional school
- University Of Miami, Lm Miller School Of Medicine, 2016
- Entity
- Type 1 · individual
8 nearest radiation oncology physician records → All 277 in Illinois → Look up another NPI →
Verify Randall James Brenneman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036156598Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.2 times the Medicare Part D claims of the average radiation oncology physician in 2024
295 Medicare Part D claims for 108 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 33 claims were for opioids.
Most prescribed
- Tamsulosin Hcl41 claims
- Lidocaine Hcl Viscous28 claims
- Memantine Hcl23 claims
- Dexamethasone18 claims
- Ondansetron Hcl17 claims
- Orgovyx16 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 89.3 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $216.49
10 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Biotech, Inc. The 3,275 providers of this specialty with any payment received $1,897.85 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Springfield Clinic, LLPSpringfield, IL
- Urology OF St Louis IncSaint Louis, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Randall James Brenneman among 277 radiation oncology physician records in Illinois
Randall James Brenneman, MD is one of 277 radiation oncology physician records with a practice address in Illinois. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 79% of them.
- NPI issued2016 · 79% of these records are older, 19% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2016 · median 2004 among the 184 with a school on file
- Record last updated2024 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0001X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Radiation Oncology Physician providers in Illinois
There are 277 radiation oncology physician records in Illinois.
All 277 in Illinois → Every provider in Springfield → Radiation Oncology Physician nationwide →
The 8 radiation oncology physician records with the nearest ZIP codes
- Christopher Abraham, MDSpringfield, IL 627811083900294
- Christopher Bradbury, M.D., PH.D.Springfield, IL 627811063723930
- Daniel Ferraro, M.D., PHDSpringfield, IL 627811629237409
- Prachi Jain, M.D.Springfield, IL 627811326333626
- Parashar Nanavati, M.D.Springfield, IL 627811548359938
- James Wynstra, M.D.Springfield, IL 627811467541946
- Cathy Clausen, M.D.Springfield, IL 627691073526091
- Michael Payne, MDSpringfield, IL 627691154364347
Common questions
What is Randall James Brenneman, MD's NPI number?
Randall James Brenneman, MD's National Provider Identifier (NPI) is 1366899841, issued on May 16, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Randall James Brenneman, MD located?
The NPPES record lists a practice address at 701 North 1St Street Radiation Oncology, Springfield, IL, 62781. Phone: (217) 528-7541. Providers update this record themselves, so call before visiting.
How can I verify Randall James Brenneman, MD's license?
NPPES lists Illinois license number 036156598, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Randall James Brenneman, MD prescribe under Medicare Part D?
In 2024, Randall James Brenneman, MD had 295 Medicare Part D claims for 108 beneficiaries; the average among radiation oncology physician prescribers was 134. Part D covers Medicare prescriptions only.
What is Randall James Brenneman, MD's MIPS final score?
The 2023 MIPS final score is 89.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.