NPPES file of Aug 9, 2026

John R. Zrelak, D.C.

Chiropractor · Chicago, IL

John R. Zrelak, D.C. is a chiropractor with a practice address in Chicago, Illinois, and NPI 1386612562, issued on Mar 14, 2006. Check the license 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
1386612562
Name
John R. Zrelak
Credential
D.C.
Primary taxonomy
Chiropractor 111N00000X
Practice location
414 N Orleans St, Chicago, IL 60610
Phone
(312) 832-9700
Enumerated
Mar 14, 2006
Record last updated
Jan 17, 2008 (not updated in 18 years: call before relying on the address or phone)
Fax
(312) 832-9702
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 414 N Orleans St

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

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Verify John R. Zrelak in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Illinois board licenses this professionCheck 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

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Chiropractor providers in Illinois

There are 4,524 chiropractor records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 4,524 in Illinois → Every provider in Chicago →

Other chiropractor records in Illinois

  1. Jill Aardema, D.C.Oak Park, IL1063508497
  2. Robert Aarestad, DC, B.S., MMPPlainfield, IL1871939165
  3. Michael Abbett, DCGranite City, IL1144741703
  4. Wala Abu-Mallouh, DCRomeoville, IL1902327232
  5. Rashid Abu-Shanab, D.C.Bridgeview, IL1033298591
  6. Azza Abugisisa, D.C.Bridgeview, IL1164618468
  7. Kristen Accardo, D.C.Oswego, IL1215087598
  8. Allison Adair, DCAurora, IL1861954364
  9. Brent Adams, DCBradley, IL1992854251
  10. Erianne Adams, DCChicago, IL1295497915

Common questions

What is John R. Zrelak, D.C.'s NPI number?

John R. Zrelak, D.C.'s National Provider Identifier (NPI) is 1386612562, issued on Mar 14, 2006. An NPI identifies a provider in billing; it is not a license.

Where is John R. Zrelak, D.C. located?

The NPPES record lists a practice address at 414 N Orleans St, Chicago, IL, 60610. Phone: (312) 832-9700. Providers update this record themselves, so call before visiting.

How can I verify John R. Zrelak, D.C.'s license?

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.