Dr. Michael John Jelinek, MD

  • Chicago, IL
  • Medical oncologist
NPI1720426513PAC ID3375776297
Medicare services, 2024
1,228
Medicare patients, 2024
243
Part D claims, 2024
681
Publications
21
Clinical trials
2
Practice address
1653 West Congress Parkway, Chicago, IL 60612
Practice phone
Call (312) 942-5000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Rush University Medical Center

Hospital · Chicago, Illinois

See all 5 affiliations

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Dr. Michael John Jelinek is a medical oncologist in Chicago, Illinois

Dr. Jelinek practices at Rush University Medical Center in Chicago, Illinois, part of Rush System for Health.

Dr. Jelinek's NPI, 1720426513, was assigned on June 13, 2013. Dr. Jelinek graduated from Rush Medical College in 2013. Dr. Jelinek holds Illinois license 036-139717.

NPI and contact details
Medicare PAC ID
3375776297
NPI enumeration date
June 13, 2013
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(312) 942-5000
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Male
Estimated age
39
Medical school graduation
2013

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Michael John Jelinek practices at Rush University Medical Center in Chicago, Illinois

Dr. Jelinek's primary practice is Rush University Medical Center, at 1653 West Congress Parkway, Chicago, IL 60612 in Cook County. The practice phone is (312) 942-5000.

Source: Dmand AI Affiliation Data

Dr. Michael John Jelinek is affiliated with 4 sites of care and 1 medical group

Dr. Jelinek's primary practice is Rush University Medical Center in Chicago, Illinois, part of Rush System for Health. Dr. Jelinek is also affiliated with Rush Oak Park Hospital. The medical group on file is Rush University Internists. Dmand AI also links Dr. Jelinek to 1 more hospital and 1 group practice or clinic, each named with a free account.

See all 5 affiliations for Dr. Jelinek

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Michael John Jelinek's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Jelinek practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Rush University Medical CenterAvailable with a free account
+3 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Michael John Jelinek is one of 153 medical oncologists in Illinois

Medical oncology is Dr. Jelinek's primary specialty in the NPI Registry, under taxonomy code 207RX0202X. Dr. Jelinek is board certified in internal medicine by the American Board of Internal Medicine. Dr. Jelinek is licensed in Illinois.

Specialties and state licenses

  • Medical oncology, IllinoisPrimaryLicense 036-139717 · 2016 to 2026 · taxonomy 207RX0202X

Clinical focus

Dmand AI lists chronic leukemia, lung cancer and prostate cancer among the conditions Dr. Jelinek treats.

Medical oncologists near Dr. Jelinek

Counts of medical oncologists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Michael John Jelinek billed Medicare for 1,228 services in 2024

CMS data shows 1,228 Medicare services from Dr. Jelinek across 6 procedure codes in 2024, for 243 Medicare patients. Medicare paid $84,614 for them.

Medicare services, 20241,228
Medicare patients243
Paid by Medicare$84,614
Procedure codes6

Dr. Jelinek's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 7422024: 7653%
Other services
2023: 02024: 463

Where Dr. Jelinek's Medicare services took place, 2024

  • In an office37030%
  • In a facility85870%

Dr. Jelinek compared with the Illinois median for medical oncologists, 2024

  • Dr. Jelinek
  • Illinois median
Medicare services
1,228vs 67183% above
Medicare patients
243vs 2306% above
Part D claims
510vs 34548% above

Medians across 140 medical oncologists in Illinois with Dmand AI profiles that report each measure.

Dr. Jelinek's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Jelinek

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Michael John Jelinek treated 243 Medicare patients in 2024, average age 75

CMS counts 243 Medicare patients who saw Dr. Jelinek in 2024. The largest group is 65 to 74, with 123 patients. 74% of them have high blood pressure, and 74% have high cholesterol. 17% are also on Medicaid. Their average risk score is 2.24, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Jelinek's median patient age at 71, with 35% women.

Medicare patients, 2024243
Average age75
Average risk score2.24
Also on Medicaid17%

Dr. Jelinek's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Jelinek's Medicare patients by sex, 2024

  • Women8736%
  • Men15664%

Chronic conditions among Dr. Jelinek's Medicare patients, 2024

  1. High blood pressure74%
  2. High cholesterol74%
  3. Ischemic heart disease50%
  4. Arthritis41%
  5. Diabetes31%
  6. Cancer30%
  7. COPD26%
  8. Chronic kidney disease26%

Share of Medicare patients with each condition. A patient can have several.

Dr. Jelinek's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 71

Patient panel by sex, all payers

  • Women35%
  • Men65%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Michael John Jelinek wrote 681 Medicare Part D claims in 2024

In 2024, Dr. Jelinek wrote 681 Medicare Part D claims for 121 patients. 81% of them were for generic drugs. CMS names the drug for 510 of them, across 18 drugs with 11 or more claims each, at $674,099 in total drug cost. In 2023, CMS named 489 claims across 16 drugs.

Part D claims, 2024681
Drugs named by CMS18
Total drug cost$674,099
Part D patients121

Dr. Jelinek's Part D claims by kind of drug, 2024

  • Generic549 claims81%
  • Brand-name132 claims19%

Dr. Jelinek's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Jelinek's Part D claims, 2024

  • Opioids17%116 of 681 claims
  • Antibiotics2%15 of 681 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 4892024: 5104%

Drugs named by CMS: 18 in 2024, 16 in 2023.

See all prescribing by Dr. Jelinek

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Michael John Jelinek offers telehealth to Medicare patients

Dr. Jelinek accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Jelinek as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Michael John Jelinek has 21 publications on record

Dmand AI links 21 papers to Dr. Jelinek, published from 2017 to 2025. 2023 was the busiest year, with 3. The most frequent topics are Head and Neck Neoplasms, Squamous Cell Carcinoma of Head and Neck and Antineoplastic Combined Chemotherapy Protocols. Dr. Jelinek has published most often in Oral Oncol. Dr. Jelinek's most frequent co-authors are Samer Al-Khudari, MD, Nikhil Shashikant Joshi, MD and Nikhil Joshi, MD.

Papers21
Years published2017 to 2025

Dr. Jelinek's papers by year, 2017 to 2025

Topics Dr. Jelinek writes about most

  • Head and Neck Neoplasms
  • Squamous Cell Carcinoma of Head and Neck
  • Antineoplastic Combined Chemotherapy Protocols
  • ErbB Receptors
  • Lung Neoplasms
  • Nivolumab
  • Protein Kinase Inhibitors
  • Acrylamides

Dr. Jelinek's most frequent co-authors

Recent publications by Dr. Jelinek

See all 21 publications and co-authors

See who Dr. Jelinek researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Jelinek works with, so you can find a warm path to the right medical oncologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Michael John Jelinek has worked on 2 clinical trials

Dmand AI links Dr. Jelinek to 2 clinical trials. 2 are still active or recruiting. Conditions studied include Oropharyngeal Neoplasms and Pharyngeal Neoplasms.

Clinical trials with Dr. Jelinek by phase

  1. NonePhase 1: no trials
  2. 1Phase 1/2: 1 trial
  3. NonePhase 2: no trials
  4. 1Phase 2/3: 1 trial
  5. NonePhase 3: no trials
  6. NonePhase 4: no trials

Conditions in Dr. Jelinek's trials

  • Oropharyngeal Neoplasms
  • Pharyngeal Neoplasms

Investigators on the most trials with Dr. Jelinek

Recent clinical trials with Dr. Jelinek

Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Dr. Michael John Jelinek received $180 in industry payments from 2017 to 2022

CMS Open Payments shows 2 general payments to Dr. Jelinek from 2 drug and device companies from 2017 to 2022. Food and beverage make up the largest share, 100% of the total. Millennium Pharmaceuticals, Inc. paid the most, $141.

General payments to Dr. Jelinek by program year, 2017 to 2022

Companies that paid Dr. Jelinek the most, 2017 to 2022

Share is of all general payments to this clinician.

See all payments to Dr. Jelinek

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Michael John Jelinek graduated from Rush Medical College

Dr. Jelinek graduated from Rush Medical College in 2013.

  1. Medical schoolRush Medical College
  2. Board certified in internal medicineAmerican Board of Internal Medicine
  3. Board certified in medical oncologyAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Michael John Jelinek accepts plans from 17 insurance carriers

Dr. Jelinek is in network with 17 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 12. Check the plan with the practice before a visit.

Plan types Dr. Jelinek accepts, by number of carriers

  1. PPO12
  2. Medicare10
  3. HMO9
  4. POS7
  5. EPO4

Source: Dmand AI Insurance Network Data

Sources for Dr. Michael John Jelinek's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Michael John Jelinek

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Michael John Jelinek's NPI number?

Dr. Michael John Jelinek's NPI number is 1720426513. It was assigned on June 13, 2013, and it is active in the NPI Registry.

What kind of doctor is Dr. Michael John Jelinek?

Dr. Michael John Jelinek is a medical oncologist in Chicago, Illinois. The primary specialty in the NPI Registry is Medical Oncology Physician (taxonomy code 207RX0202X).

Where does Dr. Michael John Jelinek practice?

Dr. Jelinek practices at 1653 West Congress Parkway, Chicago, IL 60612. Dr. Jelinek's primary practice is Rush University Medical Center in Chicago, Illinois, part of Rush System for Health. Dmand AI also links Dr. Jelinek to 1 hospital and 1 group practice or clinic.

What is Dr. Michael John Jelinek's office phone number?

The practice phone on file for Dr. Jelinek is (312) 942-5000.

What is Dr. Michael John Jelinek's medical license number?

Dr. Jelinek holds Illinois license 036-139717.

Which hospitals is Dr. Michael John Jelinek affiliated with?

Dr. Jelinek practices at Rush University Medical Center in Chicago, Illinois. Dr. Jelinek is also affiliated with Rush Oak Park Hospital. Dmand AI links Dr. Jelinek to 1 more hospital.

What medical group is Dr. Michael John Jelinek part of?

Dr. Jelinek is linked to Rush University Internists.

Does Dr. Michael John Jelinek accept Medicare?

Yes. CMS data shows Dr. Jelinek billed Medicare for 1,228 services in 2024, and Dr. Jelinek accepts Medicare assignment.

Does Dr. Michael John Jelinek offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Jelinek as offering telehealth services.

How many Medicare patients does Dr. Michael John Jelinek see?

CMS counts 243 Medicare patients who saw Dr. Jelinek in 2024, with an average age of 75.

Show 9 more questionsShow fewer questions

Is Dr. Michael John Jelinek board certified?

Yes. Dr. Jelinek is board certified in internal medicine by the American Board of Internal Medicine.

What services does Dr. Michael John Jelinek bill to Medicare?

In 2024, Dr. Jelinek's most billed Medicare services were medicare service (G2211), office visit, established patient (99215) and office visit, established patient (99214).

Where did Dr. Michael John Jelinek go to medical school?

Dr. Jelinek graduated from Rush Medical College in 2013.

What drugs does Dr. Michael John Jelinek prescribe most?

In 2024 Medicare Part D data, Dr. Jelinek's most prescribed drugs by claims were Ondansetron HCl, Levothyroxine Sodium and Prednisone.

Has Dr. Michael John Jelinek received payments from drug or device companies?

CMS Open Payments shows $180 in general payments to Dr. Jelinek from 2 companies from 2017 to 2022. The largest total came from Millennium Pharmaceuticals, Inc.

How long has Dr. Michael John Jelinek been practicing?

Dr. Jelinek graduated from medical school in 2013, 13 years ago.

Does Dr. Michael John Jelinek do research?

Dmand AI links 21 publications to Dr. Jelinek, published from 2017 to 2025. Dr. Jelinek has worked on 2 clinical trials.

Who does Dr. Michael John Jelinek publish with?

Dr. Jelinek's most frequent co-authors are Samer Al-Khudari, MD (5 shared papers), Nikhil Shashikant Joshi, MD (5 shared papers) and Nikhil Joshi, MD (5 shared papers).

What insurance does Dr. Michael John Jelinek accept?

Dr. Jelinek is in network with 17 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 12. Check the plan with the practice before a visit.

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