NPPES file of Aug 9, 2026

John D. McKenzie, M.D.

Specialist · Park Ridge, IL

John D. McKenzie, M.D. is a specialist with a practice address in Park Ridge, Illinois, and NPI 1003853748, issued on Jun 1, 2006. Check the license (Illinois 036058544, as entered in NPPES) with the Illinois board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1003853748
Name
John D. McKenzie
Credential
M.D.
Primary taxonomy
Specialist 174400000X
License number
036058544 IL
Self-reported in NPPES; status is on the state search
Practice location
1600 W Dempster St, Park Ridge, IL 60068
Phone
(847) 894-0467
Enumerated
Jun 1, 2006
Record last updated
Aug 12, 2024
Fax
(847) 925-0292
Medicaid ID
036058544 IL
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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8 nearest specialist records → All 1,154 in Illinois → Look up another NPI →

Also registered at 1600 W Dempster St

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  4. Janice Ruth Klich, M.D.Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician1053312561
  5. Lisa MelnickMedical Physician Assistant1720256886
  6. Eunyoung Park, D.D.S.General Practice Dentistry1134398035

Verify John D. McKenzie in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Illinois board licenses this profession
    Search for license 036058544    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
Find 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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John D. McKenzie among 1,154 specialist records in Illinois

John D. McKenzie, M.D. is one of 1,154 specialist records with a practice address in Illinois. 19% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 8% of them.

  • NPI issued2006 · 8% of these records are older, 58% newer
  • In a Medicare fileNo · 19% of these records are
  • In the CMS Doctors and Clinicians fileNo · 11% of these records are
  • Record last updated2024 · 84% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Specialist providers in Illinois

There are 1,154 specialist records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 1,154 in Illinois → Every provider in Park Ridge → Specialist nationwide →

The 8 specialist records with the nearest ZIP codes

  1. Steven Abern, M.D.Park Ridge, IL 600681922027424
  2. Jeanne De Lisle, PTPark Ridge, IL 600681205076874
  3. Therese Hanigan, APN,CNPPark Ridge, IL 600681942228978
  4. Katherine Katsoyannis, M.D.Park Ridge, IL 600681023123015
  5. Slawomir Marecik, MDPark Ridge, IL 600681538245964
  6. Michael Pins, M.D.Park Ridge, IL 600681639155328
  7. David Ronin, M.D.Park Ridge, IL 600681588640924
  8. Wayne Rubinstein, M.D.Park Ridge, IL 600681427036011

Common questions

What is John D. McKenzie, M.D.'s NPI number?

John D. McKenzie, M.D.'s National Provider Identifier (NPI) is 1003853748, issued on Jun 1, 2006. An NPI identifies a provider in billing; it is not a license.

Where is John D. McKenzie, M.D. located?

The NPPES record lists a practice address at 1600 W Dempster St, Park Ridge, IL, 60068. Phone: (847) 894-0467. Providers update this record themselves, so call before visiting.

How can I verify John D. McKenzie, M.D.'s license?

NPPES lists Illinois license number 036058544, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity 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. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.