Arjun Natarajan, MD
Medical Oncology Physician · Aurora, IL
Arjun Natarajan, MD is a medical oncology physician with a practice address in Aurora, Illinois, and NPI 1144682642, issued on Mar 23, 2016. Check the license (Illinois 036.170026, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Arjun Natarajan
- Credential
- MD
- Primary taxonomy
- Medical Oncology Physician 207RX0202X
- License numbers
- 036.170026 IL
2019024566 MO
Self-reported in NPPES; status is on the state search - Practice location
- 1221 N Highland Ave, Aurora, IL 60506
- Phone
- (630) 554-3456
- Enumerated
- Mar 23, 2016
- Record last updated
- Aug 23, 2024
- Fax
- (630) 551-2970
- Medicaid ID
- 200073800 MO
- Medicare enrollment
- Enrolled (PECOS I20240815003258); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest medical oncology physician records → All 182 in Illinois → Look up another NPI →
Also registered at 1221 N Highland Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lawrence Alberti, MDPulmonary Disease Physician1720015431
- Rovena AliajNurse Practitioner1871333120
- Seth Alper, M.D.Diagnostic Radiology Physician1689993768
- Mahmoud Amarna, MDPulmonary Disease Physician1538321518
- Jeffrey Anderson, PTPhysical Therapist1578598512
- Deborah Andras, PTPhysical Therapist1336246743
Verify Arjun Natarajan 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 036.170026Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average medical oncology physician in 2024
73 Medicare Part D claims for 22 beneficiaries, against an average of 703 among the 4,230 providers of this specialty who prescribed in Part D.
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.
Industry payments in 2024: $220.87
8 payments; by number, the most common kind was food and beverage; the largest payer was Lilly USA, LLC. The 3,343 providers of this specialty with any payment received $11,773.47 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 one group practice
- Advocate Health And Hospitals CorporationAurora, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Arjun Natarajan among 182 medical oncology physician records in Illinois
Arjun Natarajan, 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 2016, is newer than 87% of them.
- NPI issued2016 · 87% of these records are older, 10% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated2015 · median 2000 among the 132 with a school on file
- Record last updated2024 · 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 Aurora → Medical Oncology Physician nationwide →
The 8 medical oncology physician records with the nearest ZIP codes
- Revathi Suppiah, M.D.Aurora, IL 605061760644116
- Syed Ahmed, MDOak Brook, IL 605231689867541
- Arvind Kumar, MDTinley Park, IL 604871861590689
- Angelica Tolentino, D.O.Tinley Park, IL 604871417163312
- Vassiliki Saloura, MDBurr Ridge, IL 605271285897413
- Timothy Kuzel, MDOrland Park, IL 604621851325088
- Michael Kahn, MDWarrenville, IL 605551700873643
- Thomas Hoeltgen, MDOak Lawn, IL 604531407856073
Common questions
What is Arjun Natarajan, MD's NPI number?
Arjun Natarajan, MD's National Provider Identifier (NPI) is 1144682642, issued on Mar 23, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Arjun Natarajan, MD located?
The NPPES record lists a practice address at 1221 N Highland Ave, Aurora, IL, 60506. Phone: (630) 554-3456. Providers update this record themselves, so call before visiting.
How can I verify Arjun Natarajan, MD's license?
NPPES lists Illinois license number 036.170026, 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 Arjun Natarajan, MD prescribe under Medicare Part D?
In 2024, Arjun Natarajan, MD had 73 Medicare Part D claims for 22 beneficiaries; the average among medical oncology physician prescribers was 703. Part D covers Medicare prescriptions only.
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.