NPPES file of Aug 9, 2026

Kyle Evan Warren Williams, MD

Emergency Medicine Physician · Chicago, IL

Kyle Evan Warren Williams, MD is an emergency medicine physician with a practice address in Chicago, Illinois, and NPI 1760060669, issued on Mar 31, 2021. Check the license (Illinois 036169451, 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
1760060669
Name
Kyle Evan Warren Williams
Credential
MD
Primary taxonomy
Emergency Medicine Physician 207P00000X
License numbers
036169451 IL
125.078713 IL
Self-reported in NPPES; status is on the state search
Practice location
251 E Huron St, Chicago, IL 60611
Phone
(312) 926-2000
Enumerated
Mar 31, 2021
Record last updated
May 16, 2025
Medicare enrollment
Enrolled (PECOS I20240530000853); accepts Medicare assignment
Medical or professional school
Wisconsin College Of Physicians And Surgeons, 2021
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 251 E Huron St

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

  1. Brian Abarbanel, MDPhysical Medicine & Rehabilitation Physician1124600291
  2. Mohamed Abazeed, MD, PHDRadiation Oncology Physician1205096609
  3. Allison AbbottCertified Registered Nurse Anesthetist1720446594
  4. Kathryn AbbottPsychiatry Physician1295537561
  5. Ramez Abdalla, M.B., B. CHNeuroradiology Physician1407410392
  6. Dena Abdelhameed, PHARM.D.Nuclear Pharmacist1073954301

Verify Kyle Evan Warren Williams 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 036169451
    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.

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46% fewer Medicare Part D claims than the average emergency medicine physician in 2024

121 Medicare Part D claims for 86 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.

  1. Kyle Williams121
  2. Specialty average226

Most prescribed

  1. Cephalexin20 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 2 group practices

  1. Cepamerica Illinois LLPBloomington, IL
  2. Northwestern Medical Faculty FoundationChicago, IL

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

Kyle Evan Warren Williams among 3,291 emergency medicine physician records in Illinois

Kyle Evan Warren Williams, MD is one of 3,291 emergency medicine physician records with a practice address in Illinois. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 82% of them.

  • NPI issued2021 · 82% of these records are older, 15% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 57% of these records are
  • Graduated2021 · median 2012 among the 1,867 with a school on file
  • Record last updated2025 · 47% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

1,310 emergency medicine physician records list a practice address in Chicago

They are 1,310 of the 63,379 NPPES records with a practice address in Chicago, and 3,291 emergency medicine physician records in Illinois.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. James Adams, MDChicago, IL 606111912993411
  2. Amer Aldeen, MDChicago, IL 606111124069000
  3. John Bailitz, M.D.Chicago, IL 606111710988654
  4. Emily Baran, MDChicago, IL 606111568407641
  5. George Chiampas, D.O.Chicago, IL 606111538169636
  6. Matthew Kippenhan, MDChicago, IL 606111639106974
  7. Amy Kontrick, MDChicago, IL 606111215973367
  8. Theodore Koutouzis, MDChicago, IL 606111891773321

Common questions

What is Kyle Evan Warren Williams, MD's NPI number?

Kyle Evan Warren Williams, MD's National Provider Identifier (NPI) is 1760060669, issued on Mar 31, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Kyle Evan Warren Williams, MD located?

The NPPES record lists a practice address at 251 E Huron St, Chicago, IL, 60611. Phone: (312) 926-2000. Providers update this record themselves, so call before visiting.

How can I verify Kyle Evan Warren Williams, MD's license?

NPPES lists Illinois license number 036169451, 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 Kyle Evan Warren Williams, MD prescribe under Medicare Part D?

In 2024, Kyle Evan Warren Williams, MD had 121 Medicare Part D claims for 86 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.