Guillermo Rodriguez, MD
Medical Oncology Physician · Belleville, IL
Guillermo Rodriguez, MD is a medical oncology physician with a practice address in Belleville, Illinois, and NPI 1861440661, issued on May 4, 2006. Check the license (Illinois 036070727, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Guillermo Rodriguez
- Credential
- MD
- Primary taxonomy
- Medical Oncology Physician 207RX0202X
- License number
- 036070727 IL
Self-reported in NPPES; status is on the state search - Practice location
- 4500 Memorial Dr, Belleville, IL 62226
- Phone
- (800) 647-2098
- Enumerated
- May 4, 2006
- Record last updated
- Apr 21, 2025
- Fax
- (314) 362-3192
- Medicaid ID
- 200058088 MO
- Entity
- Type 1 · individual
8 nearest medical oncology physician records → All 182 in Illinois → Look up another NPI →
Also registered at 4500 Memorial Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Md Ali, MDHospitalist Physician1376163261
- Shadi Altwal, M.D.Hospitalist Physician1417992520
- Aloka Amarakone, MDNeurology Physician1407051329
Verify Guillermo Rodriguez 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 036070727Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 92.4 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).
Guillermo Rodriguez among 182 medical oncology physician records in Illinois
Guillermo Rodriguez, MD is one of 182 medical oncology physician records with a practice address in Illinois. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 11% of them.
- NPI issued2006 · 11% of these records are older, 43% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileNo · 73% of these records are
- Record last updated2025 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RX0202X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Medical Oncology Physician providers in Illinois
There are 182 medical oncology physician records in Illinois.
All 182 in Illinois → Every provider in Belleville → Medical Oncology Physician nationwide →
The 8 medical oncology physician records with the nearest ZIP codes
- Mohammed Siddiqui, MDNashville, IL 622631730115973
- Justin Floyd, DOO Fallon, IL 622691629164678
- Alfred Greco, MDShiloh, IL 622691073501607
- Brett Herzog, MD PHDShiloh, IL 622691023499282
- William Popovic, MDShiloh, IL 622691609824549
- John Visconti, DOShiloh, IL 622691033167846
- Philip Dy, M.D.Effingham, IL 624011710076567
- Robert Siegel, MDAlton, IL 620021518901545
Common questions
What is Guillermo Rodriguez, MD's NPI number?
Guillermo Rodriguez, MD's National Provider Identifier (NPI) is 1861440661, issued on May 4, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Guillermo Rodriguez, MD located?
The NPPES record lists a practice address at 4500 Memorial Dr, Belleville, IL, 62226. Phone: (800) 647-2098. Providers update this record themselves, so call before visiting.
How can I verify Guillermo Rodriguez, MD's license?
NPPES lists Illinois license number 036070727, 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.
What is Guillermo Rodriguez, MD's MIPS final score?
The 2023 MIPS final score is 92.4 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.