Sobiya Ansari, M.D.
Radiation Oncology Physician · Chicago, IL
Sobiya Ansari, M.D. is a radiation oncology physician with a practice address in Chicago, Illinois, and NPI 1336554666, issued on Jun 25, 2014. Check the license (Illinois 125065365, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Sobiya Ansari
- Credential
- M.D.
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License number
- 125065365 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1653 W Congress Pkwy, Chicago, IL 60612
- Phone
- (312) 942-7774
- Enumerated
- Jun 25, 2014
- Record last updated
- Jun 25, 2014 (not updated in 12 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest radiation oncology physician records → All 277 in Illinois → Look up another NPI →
Also registered at 1653 W Congress Pkwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Heidi Aguilar, CRNACertified Registered Nurse Anesthetist1043703796
- Jenny AhnEmergency Registered Nurse1124836622
- Marwah Al Tekreeti, MDAnatomic Pathology & Clinical Pathology Physician1891539268
- Laila Abdulla Al-Harthy, RNRegistered Nurse1619832722
Verify Sobiya Ansari 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 125065365Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
69% fewer Medicare Part D claims than the average radiation oncology physician in 2024
41 Medicare Part D claims for 15 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D.
Most prescribed
- Tamsulosin Hcl27 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.
Industry payments in 2024: $24.74
1 payment: food and beverage; the largest payer was Bayer Healthcare Pharmaceuticals 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.
Sobiya Ansari among 277 radiation oncology physician records in Illinois
Sobiya Ansari, M.D. 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 2014, is newer than 75% of them.
- NPI issued2014 · 75% of these records are older, 23% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileNo · 66% of these records are
- Record last updated2014 · 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 Chicago → Radiation Oncology Physician nationwide →
The 8 radiation oncology physician records with the nearest ZIP codes
- Ross Abrams, M.D.Chicago, IL 606121356317564
- Philip Blumenfeld, M.D.Chicago, IL 606121417397449
- Nathaniel Camden, MDChicago, IL 606121629502208
- Thomas Kim, M.D.Chicago, IL 606121932466208
- Mark Korpics, MDChicago, IL 606121407382526
- Gaurav Marwaha, M.D.Chicago, IL 606121669798062
- Christian Olortegui, M.D.Chicago, IL 606121033564018
- Neilayan Sen, M.D.Chicago, IL 606121407101314
Common questions
What is Sobiya Ansari, M.D.'s NPI number?
Sobiya Ansari, M.D.'s National Provider Identifier (NPI) is 1336554666, issued on Jun 25, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Sobiya Ansari, M.D. located?
The NPPES record lists a practice address at 1653 W Congress Pkwy, Chicago, IL, 60612. Phone: (312) 942-7774. Providers update this record themselves, so call before visiting.
How can I verify Sobiya Ansari, M.D.'s license?
NPPES lists Illinois license number 125065365, 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 Sobiya Ansari, M.D. prescribe under Medicare Part D?
In 2024, Sobiya Ansari, M.D. had 41 Medicare Part D claims for 15 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.