Ramji Ramaswamy Rajendran, MD
Radiation Oncology Physician · Elk Grove Village, IL
Ramji Ramaswamy Rajendran, MD is a radiation oncology physician with a practice address in Elk Grove Village, Illinois, and NPI 1982760773, issued on Dec 28, 2006. Check the license (Illinois 036-124964, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Ramji Ramaswamy Rajendran
- Credential
- MD
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License number
- 036-124964 IL
Self-reported in NPPES; status is on the state search - Practice location
- 800 Biesterfield RD, Elk Grove Village, IL 60007
- Phone
- (847) 981-5760
- Enumerated
- Dec 28, 2006
- Record last updated
- May 18, 2026
- Fax
- (847) 956-5138
- Medicaid ID
- 036124964 IL
- Medicare enrollment
- Enrolled (PECOS I20100818000121); accepts Medicare assignment
- Medical or professional school
- University Of Illinois College Of Med (Chi/Peor/Rock/Chm-Urb), 2005
- Entity
- Type 1 · individual
8 nearest radiation oncology physician records → All 277 in Illinois → Look up another NPI →
Also registered at 800 Biesterfield RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Susan Abbinanti, PA-CPhysician Assistant1679647358
- Dennis Abella, DOInternal Medicine Physician1962498451
- Vanita Achar, MS,RD,LDN,CDE,CNSDRegistered Dietitian1104033810
- Gregory Adamo, M.D.Diagnostic Radiology Physician1790712347
- Maria Agopian, NPAcute Care Nurse Practitioner1235407735
- Bruce Bank, M.D.Hematology & Oncology Physician1225099823
Verify Ramji Ramaswamy Rajendran 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 036-124964Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
42% fewer Medicare Part D claims than the average radiation oncology physician in 2024
78 Medicare Part D claims for 48 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D. 12 claims were for opioids.
Most prescribed
- Dexamethasone14 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 MIPS final score for 2023 (Medicare payment program): 94.1 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $48,520.12
59 payments; by number, the most common kind was food and beverage; the largest payer was Novocure 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
- Radiation Oncology Consultants, LtdElk Grove Village, IL
- Uropartners LLCWestchester, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ramji Ramaswamy Rajendran among 277 radiation oncology physician records in Illinois
Ramji Ramaswamy Rajendran, 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 2006, is newer than 19% of them.
- NPI issued2006 · 19% of these records are older, 51% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2005 · median 2004 among the 184 with a school on file
- Record last updated2026 · 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 Elk Grove Village → Radiation Oncology Physician nationwide →
The 8 radiation oncology physician records with the nearest ZIP codes
- Martin Boyer, D.O.Elk Grove Vlg, IL 600071043200165
- Alexander Harris, M.D.Elk Grove Village, IL 600071700236635
- Kaitlin Qualls, MDElk Grove Village, IL 600071366904989
- Philip Lobo, M.D.Arlington Heights, IL 600051124003967
- Najeeb Mohideen, M.D.Arlington Heights, IL 600051932184678
- Stephen Nigh, M.D.Arlington Heights, IL 600051396721874
- Andrew Lee, M.D.Barrington, IL 600101407118359
- Catherine Park Leonard, MDBarrington, IL 600101710149968
Common questions
What is Ramji Ramaswamy Rajendran, MD's NPI number?
Ramji Ramaswamy Rajendran, MD's National Provider Identifier (NPI) is 1982760773, issued on Dec 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ramji Ramaswamy Rajendran, MD located?
The NPPES record lists a practice address at 800 Biesterfield RD, Elk Grove Village, IL, 60007. Phone: (847) 981-5760. Providers update this record themselves, so call before visiting.
How can I verify Ramji Ramaswamy Rajendran, MD's license?
NPPES lists Illinois license number 036-124964, 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 Ramji Ramaswamy Rajendran, MD prescribe under Medicare Part D?
In 2024, Ramji Ramaswamy Rajendran, MD had 78 Medicare Part D claims for 48 beneficiaries; the average among radiation oncology physician prescribers was 134. Part D covers Medicare prescriptions only.
What is Ramji Ramaswamy Rajendran, MD's MIPS final score?
The 2023 MIPS final score is 94.1 of 100. 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.