Michael John Jelinek, M.D.
Medical Oncology Physician · Chicago, IL
Michael John Jelinek, M.D. is a medical oncology physician with a practice address in Chicago, Illinois, and NPI 1720426513, issued on Jun 13, 2013. Check the license (Illinois 036-139717, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Michael John Jelinek
- Credential
- M.D.
- Primary taxonomy
- Medical Oncology Physician 207RX0202X
- License number
- 036-139717 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1725 W Harrison St Ste 809, Chicago, IL 60612
- Phone
- (312) 942-5904
- Enumerated
- Jun 13, 2013
- Record last updated
- Jun 24, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20190628000717); accepts Medicare assignment
- Medical or professional school
- Rush Medical College Of Rush University, 2013
- 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 1725 W Harrison St Ste 809
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Elysa Bond, MS, CGCGenetic Counselor (M.S.)1942814934
- Laura Lopez Santibanez JacomeGenetic Counselor (M.S.)1255000774
- Maria Stone, FNP-BCFamily Nurse Practitioner1013310739
- Jennifer Thompson, MS, CGCGenetic Counselor (M.S.)1043721830
Verify Michael John Jelinek 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 036-139717Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3% fewer Medicare Part D claims than the average medical oncology physician in 2024
681 Medicare Part D claims for 121 beneficiaries, against an average of 703 among the 4,230 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims. 116 claims were for opioids.
Most prescribed
- Ondansetron Hcl61 claims
- Levothyroxine Sodium60 claims
- Prednisone44 claims
- Oxycodone Hcl40 claims
- Dexamethasone38 claims
- Prochlorperazine Maleate38 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 one group practice
- Rush University Medical GroupChicago, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael John Jelinek among 182 medical oncology physician records in Illinois
Michael John Jelinek, M.D. 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 2013, is newer than 79% of them.
- NPI issued2013 · 79% of these records are older, 19% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated2013 · median 2000 among the 132 with a school on file
- Record last updated2019 · 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 Chicago → Medical Oncology Physician nationwide →
The 8 medical oncology physician records with the nearest ZIP codes
- Marta Batus, MDChicago, IL 606121003087768
- Philip Bonomi, M.D.Chicago, IL 606121235198573
- Melody Cobleigh, M.D.Chicago, IL 606121861451122
- Kevin Conlon, M.D.Chicago, IL 606121013977370
- Mary Fidler, M.D.Chicago, IL 606121598960494
- Katherine Kabaker, M.D.Chicago, IL 606121699951137
- Thomas Lad, M.D.Chicago, IL 606121972511632
- Sarah Lincoln, M.D.Chicago, IL 606121841250552
Common questions
What is Michael John Jelinek, M.D.'s NPI number?
Michael John Jelinek, M.D.'s National Provider Identifier (NPI) is 1720426513, issued on Jun 13, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Michael John Jelinek, M.D. located?
The NPPES record lists a practice address at 1725 W Harrison St Ste 809, Chicago, IL, 60612. Phone: (312) 942-5904. Providers update this record themselves, so call before visiting.
How can I verify Michael John Jelinek, M.D.'s license?
NPPES lists Illinois license number 036-139717, 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 Michael John Jelinek, M.D. prescribe under Medicare Part D?
In 2024, Michael John Jelinek, M.D. had 681 Medicare Part D claims for 121 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.