NPPES file of Aug 9, 2026

Jeffrey Michael Ksiazek, M.D.

Otolaryngology Physician · Winfield, IL

Jeffrey Michael Ksiazek, M.D. is an otolaryngology physician with a practice address in Winfield, Illinois, and NPI 1679735104, issued on Jun 26, 2008. Check the license (Illinois 036132930, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1679735104
Name
Jeffrey Michael Ksiazek
Credential
M.D.
Primary taxonomy
Otolaryngology Physician 207Y00000X
License number
036132930 IL
Self-reported in NPPES; status is on the state search
Practice location
25 N Winfield Road, Winfield, IL 60190
Phone
(630) 668-2180
Enumerated
Jun 26, 2008
Record last updated
Mar 6, 2015 (not updated in 11 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20140207000044); accepts Medicare assignment
Medical or professional school
Loyola University Of Chicago, Stritch School Of Medicine, 2008
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 25 N Winfield Road

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Lawrence Ariano, M.D.Anatomic Pathology & Clinical Pathology Physician1679642383
  2. Joshua Blomgren, D.O.Sports Medicine (Family Medicine) Physician1194981019
  3. Jennifer Chiaramonte, M.S. CCC-SLPSpeech-Language Pathologist1871823971
  4. Lee De Dore, PASurgical Physician Assistant1790017085
  5. Thomas Eiseman, M.D.Emergency Medicine Physician1073514360
  6. Brian Fort, M.D.Emergency Medicine Physician1841587599

Verify Jeffrey Michael Ksiazek in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
    Search for license 036132930
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Illinois license search

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60% fewer Medicare Part D claims than the average otolaryngology physician in 2024

217 Medicare Part D claims for 84 beneficiaries, against an average of 541 among the 8,339 providers of this specialty who prescribed in Part D.

  1. Jeffrey Ksiazek217
  2. Specialty average541

Most prescribed

  1. Mupirocin39 claims
  2. Famotidine36 claims
  3. Ipratropium Bromide36 claims
  4. Prednisone31 claims
  5. Amoxicillin-Clavulanate Potass23 claims
  6. Fluticasone Propionate18 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: $1,159.83

60 payments; by number, the most common kind was food and beverage; the largest payer was Stryker Corporation. The 6,429 providers of this specialty with any payment received $1,922.50 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Jeffrey Ksiazek$1,159.83
  2. Specialty average$1,922.50

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Exhale Sinus PLLCSchaumburg, IL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Jeffrey Michael Ksiazek among 482 otolaryngology physician records in Illinois

Jeffrey Michael Ksiazek, M.D. is one of 482 otolaryngology 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 2008, is newer than 52% of them.

  • NPI issued2008 · 52% of these records are older, 42% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated2008 · median 2005 among the 290 with a school on file
  • Record last updated2015 · 46% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Y00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Otolaryngology Physician providers in Illinois

There are 482 otolaryngology physician records in Illinois.

The 8 otolaryngology physician records with the nearest ZIP codes

  1. Tyler Cebulko, M.D.Winfield, IL 601901174987242
  2. James Chow, M.D.Winfield, IL 601901164599577
  3. Seth Kay, M.D.Winfield, IL 601901023317450
  4. Riddhi Patel, M.D.Winfield, IL 601901164747754
  5. Patrick Simon, M.D.Winfield, IL 601901518114313
  6. Raymond Konior, MDOakbrook Terrace, IL 601811376682724
  7. Roger Plotkin, M.D.Evanston, IL 602011770706798
  8. Abraham Lotan, MDSycamore, IL 601781760418214

Common questions

What is Jeffrey Michael Ksiazek, M.D.'s NPI number?

Jeffrey Michael Ksiazek, M.D.'s National Provider Identifier (NPI) is 1679735104, issued on Jun 26, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Jeffrey Michael Ksiazek, M.D. located?

The NPPES record lists a practice address at 25 N Winfield Road, Winfield, IL, 60190. Phone: (630) 668-2180. Providers update this record themselves, so call before visiting.

How can I verify Jeffrey Michael Ksiazek, M.D.'s license?

NPPES lists Illinois license number 036132930, 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 Jeffrey Michael Ksiazek, M.D. prescribe under Medicare Part D?

In 2024, Jeffrey Michael Ksiazek, M.D. had 217 Medicare Part D claims for 84 beneficiaries; the average among otolaryngology physician prescribers was 541. 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.