Zaid Iftekaruddin, MD
Radiation Oncology Physician · Warrenville, IL
Zaid Iftekaruddin, MD is a radiation oncology physician with a practice address in Warrenville, Illinois, and NPI 1437611761, issued on Apr 4, 2019. Check the license (Illinois 036.170440, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Zaid Iftekaruddin
- Credential
- MD
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License numbers
- 036.170440 IL
125.073608 IL
Self-reported in NPPES; status is on the state search - Practice location
- 4405 Weaver Pkwy, Warrenville, IL 60555
- Phone
- (630) 933-7811
- Enumerated
- Apr 4, 2019
- Record last updated
- May 22, 2026
- Fax
- (630) 352-5349
- Medicare enrollment
- Enrolled (PECOS I20240724000608); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest radiation oncology physician records → All 277 in Illinois → Look up another NPI →
Also registered at 4405 Weaver Pkwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
- John Abad, M.D.Surgical Oncology Physician1578722336
- Raanan Alter, MDGynecologic Oncology Physician1558789826
- John Ayers, MDHematology & Oncology Physician1477540821
- Madeline BiceNurse Practitioner1982189221
- Mackenzie Blackburn, APRN, CNPNurse Practitioner1740005511
- Robin Buerki, MDNeurology Physician1881936326
Verify Zaid Iftekaruddin 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 036.170440Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
77% fewer Medicare Part D claims than the average radiation oncology physician in 2024
31 Medicare Part D claims for 16 beneficiaries, against an average of 134 among the 4,851 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: $24.78
1 payment: food and beverage; the largest payer was IsoRay, 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 4 group practices
- Cook CountyChicago, IL
- Cook Radiation Oncology SCChicago, IL
- Illinois Proton Center LLCWarrenville, IL
- Northwestern Medical Faculty FoundationWarrenville, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Zaid Iftekaruddin among 277 radiation oncology physician records in Illinois
Zaid Iftekaruddin, 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 2019, is newer than 87% of them.
- NPI issued2019 · 87% of these records are older, 10% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2019 · 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).
8 radiation oncology physician records list a practice address in Warrenville
They are 8 of the 517 NPPES records with a practice address in Warrenville, and 277 radiation oncology physician records in Illinois.
All 277 in Illinois → Every provider in Warrenville → Radiation Oncology Physician nationwide →
The 8 radiation oncology physician records with the nearest ZIP codes
- Adil Akthar, M.D.Warrenville, IL 605551598175531
- Neal Andruska, MD, PHDWarrenville, IL 605551972035798
- Vinai Gondi, MDWarrenville, IL 605551457516395
- Christy Kesslering, M.D.Warrenville, IL 605551427049543
- Nasiruddin MohammedWarrenville, IL 605551912111527
- Arpi Thukral, MDWarrenville, IL 605551619032885
- Douglas Tippin, M.D., PHDWarrenville, IL 605551013900281
- Neil Das Gupta, M.D.Naperville, IL 605401316974363
Common questions
What is Zaid Iftekaruddin, MD's NPI number?
Zaid Iftekaruddin, MD's National Provider Identifier (NPI) is 1437611761, issued on Apr 4, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Zaid Iftekaruddin, MD located?
The NPPES record lists a practice address at 4405 Weaver Pkwy, Warrenville, IL, 60555. Phone: (630) 933-7811. Providers update this record themselves, so call before visiting.
How can I verify Zaid Iftekaruddin, MD's license?
NPPES lists Illinois license number 036.170440, 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 Zaid Iftekaruddin, MD prescribe under Medicare Part D?
In 2024, Zaid Iftekaruddin, MD had 31 Medicare Part D claims for 16 beneficiaries; the average among radiation oncology physician prescribers was 134. 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.