NPPES file of Aug 9, 2026

Casey-John Adrian Keyes, DO

Emergency Medicine Physician · Chicago, IL

Casey-John Adrian Keyes, DO is an emergency medicine physician with a practice address in Chicago, Illinois, and NPI 1093418139, issued on Mar 27, 2023. Check the license (Illinois 125.082710, 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
1093418139
Name
Casey-John Adrian Keyes
Credential
DO
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
125.082710 IL
Self-reported in NPPES; status is on the state search
Practice location
820 S Wood Street, Chicago, IL 60612
Phone
(312) 996-2933
Enumerated
Mar 27, 2023
Record last updated
Jun 20, 2023
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 820 S Wood Street

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

  1. Leslie AmonooStudent in an Organized Health Care Education/Training Program1972245884
  2. Omaima Anis Bhatti, M.DPediatrics Physician1285488940
  3. Daniel Cisneros Montoya, M.D.Pediatrics Physician1174377287
  4. Juan Garcia Vaca, M.D.Pediatrics Physician1952159444
  5. Priyanka Gupta, MBBSStudent in an Organized Health Care Education/Training Program1912601956
  6. Jada McDonald, MDStudent in an Organized Health Care Education/Training Program1134824113

Verify Casey-John Adrian Keyes 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 125.082710
    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 emergency medicine physician in 2024

91 Medicare Part D claims for 36 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.

  1. Casey-John Keyes91
  2. Specialty average226

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.

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.

Other emergency medicine physician records in Illinois

  1. Osama Aaflaq, M.D.Carbondale, IL1083663520
  2. Suresh Abad, M.D.Vernon Hills, IL1639100126
  3. Albert Abalos, M.D.Elmhurst, IL1881983484
  4. Habib Abbasi, M.D.Joliet, IL1902832835
  5. Andrew Abbeg, D.O.Greenville, IL1548490311
  6. Ryan Abbott, DOChicago, IL1477243517
  7. Ahmad Abdulla, MDOak Lawn, IL1467202556
  8. Zakaria Abdulnabi, M.D.Urbana, IL1790135499
  9. Aziz Abed, M.D.Harvey, IL1477874154
  10. Logan Abel, MDChicago, IL1447900592

Common questions

What is Casey-John Adrian Keyes, DO's NPI number?

Casey-John Adrian Keyes, DO's National Provider Identifier (NPI) is 1093418139, issued on Mar 27, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Casey-John Adrian Keyes, DO located?

The NPPES record lists a practice address at 820 S Wood Street, Chicago, IL, 60612. Phone: (312) 996-2933. Providers update this record themselves, so call before visiting.

How can I verify Casey-John Adrian Keyes, DO's license?

NPPES lists Illinois license number 125.082710, 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 Casey-John Adrian Keyes, DO prescribe under Medicare Part D?

In 2024, Casey-John Adrian Keyes, DO had 91 Medicare Part D claims for 36 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.