NPPES file of Aug 9, 2026

Timothy Gordon Walker

Emergency Medicine Physician · Chicago, IL

Timothy Gordon Walker is an emergency medicine physician with a practice address in Chicago, Illinois, and NPI 1730933466, issued on Apr 17, 2024. Check the license (Illinois 125.084293, 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
1730933466
Name
Timothy Gordon Walker
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
125.084293 IL
Self-reported in NPPES; status is on the state search
Practice location
7435 W Talcott Ave, Chicago, IL 60631
Phone
(773) 792-7921
Enumerated
Apr 17, 2024
Record last updated
Jun 17, 2024
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 7435 W Talcott Ave

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

  1. Logan Abel, MDEmergency Medicine Physician1447900592
  2. Rachel Abrams, M.D.Emergency Medicine Physician1659786317
  3. Eva Adams, P.T.Physical Therapist1265780753
  4. Jennifer AdamsStudent in an Organized Health Care Education/Training Program1710681473
  5. John Affinito, MDFamily Medicine Physician1316930191
  6. Omar Ahmed, DOEmergency Medicine Physician1043896947

Verify Timothy Gordon Walker 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 125.084293
    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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94% fewer Medicare Part D claims than the average emergency medicine physician in 2024

14 Medicare Part D claims, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Timothy Walker14
  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.

Timothy Gordon Walker among 3,291 emergency medicine physician records in Illinois

Timothy Gordon Walker 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 2024, is newer than 92% of them.

  • NPI issued2024 · 92% of these records are older, 4% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileNo · 57% of these records are
  • Record last updated2024 · 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. Stephen Bozek, M.D.Chicago, IL 606311841285103
  2. Shu Chan, M.D.Chicago, IL 606311790770014
  3. Steve Christos, D.O.Chicago, IL 606311902891237
  4. Darien Cohen, M.D.Chicago, IL 606311366437626
  5. James Harlan, M.D.Chicago, IL 606311619126372
  6. Linda Herman, M.D.Chicago, IL 606311619957776
  7. Matthew Jordan, M.D.Chicago, IL 606311952302101
  8. Robert Marshall, MDChicago, IL 606311316031396

Common questions

What is Timothy Gordon Walker's NPI number?

Timothy Gordon Walker's National Provider Identifier (NPI) is 1730933466, issued on Apr 17, 2024. An NPI identifies a provider in billing; it is not a license.

Where is Timothy Gordon Walker located?

The NPPES record lists a practice address at 7435 W Talcott Ave, Chicago, IL, 60631. Phone: (773) 792-7921. Providers update this record themselves, so call before visiting.

How can I verify Timothy Gordon Walker's license?

NPPES lists Illinois license number 125.084293, 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 Timothy Gordon Walker prescribe under Medicare Part D?

In 2024, Timothy Gordon Walker had 14 Medicare Part D claims; 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.