Olga Kantor, M.D.
Surgical Oncology Physician · Chicago, IL
Olga Kantor, M.D. is a surgical oncology physician with a practice address in Chicago, Illinois, and NPI 1417202623, issued on Jul 13, 2012. Check the license (Illinois 036136530, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Olga Kantor
- Credential
- M.D.
- Primary taxonomy
- Surgical Oncology Physician 2086X0206X
- License numbers
- 036136530 IL
125060906 IL
Self-reported in NPPES; status is on the state search - Practice location
- 5841 S Maryland Ave, Chicago, IL 60637
- Phone
- (773) 702-1000
- Enumerated
- Jul 13, 2012
- Record last updated
- Dec 18, 2025
- Medicare enrollment
- Enrolled (PECOS I20251118000936); accepts Medicare assignment
- Medical or professional school
- University Of Illinois College Of Med (Chi/Peor/Rock/Chm-Urb), 2012
- Entity
- Type 1 · individual
8 nearest surgical oncology physician records → All 71 in Illinois → Look up another NPI →
Also registered at 5841 S Maryland Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Sara Abdelaziz, MDEndocrinology, Diabetes & Metabolism Physician1598258089
- Noor Abdelrahman, PA-CPhysician Assistant1851012413
- Unknown Abdul Hanan, MDBlood Banking & Transfusion Medicine Physician1750022240
Verify Olga Kantor 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 036136530Check 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 surgical oncology physician in 2024
27 Medicare Part D claims for 16 beneficiaries, against an average of 87 among the 1,237 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Tamoxifen Citrate18 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.
Bills Medicare through 3 group practices
- Brigham And Womens Physicians Organization IncBoston, MA
- Dana-Farber Cancer Institute, Inc.Boston, MA
- Northwestern Medical Faculty FoundationChicago, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Olga Kantor among 71 surgical oncology physician records in Illinois
Olga Kantor, M.D. is one of 71 surgical 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 2012, is newer than 75% of them.
- NPI issued2012 · 75% of these records are older, 23% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated2012 · median 2005 among the 55 with a school on file
- Record last updated2025 · 39% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2086X0206X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgical Oncology Physician providers in Illinois
There are 71 surgical oncology physician records in Illinois.
All 71 in Illinois → Every provider in Chicago → Surgical Oncology Physician nationwide →
The 8 surgical oncology physician records with the nearest ZIP codes
- Jingjing AnChicago, IL 606371235692666
- Fadi Dahdaleh, M.D.Chicago, IL 606371235424656
- Xavier Keutgen, M.D.Chicago, IL 606371831336528
- Jeffrey MatthewsChicago, IL 606371679540736
- Ryan Merkow, MDChicago, IL 606371396968889
- Mecker Moller, M.D.Chicago, IL 606371962601492
- Mitchell PosnerChicago, IL 606371700941531
- Rohit Sharma, M.D.Chicago, IL 606371922265032
Common questions
What is Olga Kantor, M.D.'s NPI number?
Olga Kantor, M.D.'s National Provider Identifier (NPI) is 1417202623, issued on Jul 13, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Olga Kantor, M.D. located?
The NPPES record lists a practice address at 5841 S Maryland Ave, Chicago, IL, 60637. Phone: (773) 702-1000. Providers update this record themselves, so call before visiting.
How can I verify Olga Kantor, M.D.'s license?
NPPES lists Illinois license number 036136530, 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 Olga Kantor, M.D. prescribe under Medicare Part D?
In 2024, Olga Kantor, M.D. had 27 Medicare Part D claims for 16 beneficiaries; the average among surgical oncology physician prescribers was 87. 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.