NPPES file of Aug 9, 2026

Seth T. Kay, M.D.

Otolaryngology Physician · Winfield, IL

Seth T. Kay, M.D. is an otolaryngology physician with a practice address in Winfield, Illinois, and NPI 1023317450, issued on Mar 24, 2011. Check the license (Illinois 036143382, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1023317450
Name
Seth T. Kay
Credential
M.D.
Primary taxonomy
Otolaryngology Physician 207Y00000X
License numbers
036143382 IL
076098 GA
Self-reported in NPPES; status is on the state search
Practice location
25 N Winfield RD, Winfield, IL 60190
Phone
(630) 933-6879
Enumerated
Mar 24, 2011
Record last updated
Feb 19, 2024
Medicare enrollment
Enrolled (PECOS I20170630000982); accepts Medicare assignment
Medical or professional school
Loyola University Of Chicago, Stritch School Of Medicine, 2011
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.
Download card Updates feed

Also registered at 25 N Winfield RD

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

  1. Pamela Abadi, D.O.Hospitalist Physician1588820179
  2. Hossam Abdel Aziz, MDHospitalist Physician1114558145
  3. Imran Ahmad, M.D.Interventional Cardiology Physician1871760934
  4. Christopher Ahuja, MDNeurological Surgery Physician1316625288
  5. Batul Al-Zubeidy, MDSurgery Physician1568725711
  6. Hia Alazzam, APRN, CRNACertified Registered Nurse Anesthetist1760068167

Verify Seth T. Kay 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 036143382
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

82% fewer Medicare Part D claims than the average otolaryngology physician in 2024

99 Medicare Part D claims for 44 beneficiaries, against an average of 541 among the 8,339 providers of this specialty who prescribed in Part D. Brand-name drugs were 40% of claims.

  1. Seth Kay99
  2. Specialty average541

Most prescribed

  1. Levothyroxine Sodium67 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.

The MIPS final score for 2023 (Medicare payment program): 94.1 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score82.6
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Bills Medicare through 2 group practices

  1. Central Dupage Physician GroupWinfield, IL
  2. Northwestern Medical Faculty FoundationBloomingdale, IL

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

Seth T. Kay among 482 otolaryngology physician records in Illinois

Seth T. Kay, 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 2011, is newer than 64% of them.

  • NPI issued2011 · 64% of these records are older, 35% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated2011 · median 2005 among the 290 with a school on file
  • Record last updated2024 · 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. Jeffrey Ksiazek, M.D.Winfield, IL 601901679735104
  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 Seth T. Kay, M.D.'s NPI number?

Seth T. Kay, M.D.'s National Provider Identifier (NPI) is 1023317450, issued on Mar 24, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Seth T. Kay, M.D. located?

The NPPES record lists a practice address at 25 N Winfield RD, Winfield, IL, 60190. Phone: (630) 933-6879. Providers update this record themselves, so call before visiting.

How can I verify Seth T. Kay, M.D.'s license?

NPPES lists Illinois license number 036143382, 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 Seth T. Kay, M.D. prescribe under Medicare Part D?

In 2024, Seth T. Kay, M.D. had 99 Medicare Part D claims for 44 beneficiaries; the average among otolaryngology physician prescribers was 541. Part D covers Medicare prescriptions only.

What is Seth T. Kay, M.D.'s MIPS final score?

The 2023 MIPS final score is 94.1 of 100. The average among 454,083 clinicians with a measured score was 83.5.

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.