Iftekhar Y. Ahmad, M.D.
Radiation Oncology Physician · Rockford, IL
Iftekhar Y. Ahmad, M.D. is a radiation oncology physician with a practice address in Rockford, Illinois, and NPI 1164641791, issued on Apr 24, 2007. Check the license (Illinois 036-125259, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Iftekhar Y. Ahmad
- Credential
- M.D.
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License numbers
- 036-125259 IL
4301086154 MI
Self-reported in NPPES; status is on the state search - Practice location
- 5666 East State Street, Rockford, IL 61108
- Phone
- (815) 226-2000
- Enumerated
- Apr 24, 2007
- Record last updated
- Feb 24, 2011 (not updated in 15 years: call before relying on the address or phone)
- Medicaid ID
- 036125259 IL
- Medicare enrollment
- Enrolled (PECOS I20101122000200); accepts Medicare assignment
- Medical or professional school
- Wayne State University School Of Medicine, 2005
- Entity
- Type 1 · individual
Also registered at 5666 East State Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Azra Ali, M.D.Hospitalist Physician1700804028
- George Bryan, MDRadiation Oncology Physician1447287495
- Timothy Coggin, M.D.Emergency Medicine Physician1154453454
- Binoy Kamal, M.D.Internal Medicine Physician1295805174
- Christopher Nielsen, M.D.Emergency Medicine Physician1043280811
- Shylendra Sreenivasappa, M.D.Medical Oncology Physician1972706604
Verify Iftekhar Y. Ahmad 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 036-125259Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.4 times the Medicare Part D claims of the average radiation oncology physician in 2024
320 Medicare Part D claims for 93 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D. 39 claims were for opioids.
Most prescribed
- Tamsulosin Hcl155 claims
- Hydrocodone-Acetaminophen18 claims
- Oxybutynin Chloride Er18 claims
- Dexamethasone12 claims
- Sulfamethoxazole-Trimethoprim11 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.
2 hospitals and group practices
- Saint Anthony Medical CenterRockford, IL · Acute Care Hospitals2 of 5 stars
- Osf Multi-Specialty GroupRockford, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Radiation Oncology Physician providers in Illinois
There are 277 radiation oncology physician records in Illinois.
Other radiation oncology physician records in Illinois
- Mohamed Abazeed, MD, PHDChicago, IL1205096609
- Christopher Abraham, MDSpringfield, IL1083900294
- Ross Abrams, M.D.Chicago, IL1356317564
- Elke Aippersbach, M.D.,M.SC.,Oak Lawn, IL1285754895
- Adil Akthar, M.D.Warrenville, IL1598175531
- Neal Andruska, MD, PHDWarrenville, IL1972035798
- Sobiya Ansari, M.D.Chicago, IL1336554666
- Muzamil Arshad, MD/PHDChicago, IL1518429570
- Guhan Arumugam Shanmugasundaram, M.B.B.S.Chicago, IL1023800943
- Salwa Asaad, MDJoliet, IL1831170539
Common questions
What is Iftekhar Y. Ahmad, M.D.'s NPI number?
Iftekhar Y. Ahmad, M.D.'s National Provider Identifier (NPI) is 1164641791, issued on Apr 24, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Iftekhar Y. Ahmad, M.D. located?
The NPPES record lists a practice address at 5666 East State Street, Rockford, IL, 61108. Phone: (815) 226-2000. Providers update this record themselves, so call before visiting.
How can I verify Iftekhar Y. Ahmad, M.D.'s license?
NPPES lists Illinois license number 036-125259, 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 Iftekhar Y. Ahmad, M.D. prescribe under Medicare Part D?
In 2024, Iftekhar Y. Ahmad, M.D. had 320 Medicare Part D claims for 93 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.