NPPES file of Aug 9, 2026

Michael A. Kozek, DDS

General Practice Dentistry · Oak Lawn, IL

Michael A. Kozek, DDS is a general practice dentistry with a practice address in Oak Lawn, Illinois, and NPI 1083784367, issued on Nov 8, 2006. Check the license with the Illinois board that licenses this profession; 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
1083784367
Name
Michael A. Kozek
Credential
DDS
Primary taxonomy
General Practice Dentistry 1223G0001X
Practice location
4647 W 103RD St, Oak Lawn, IL 60453
Phone
(708) 423-0500
Enumerated
Nov 8, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(708) 423-0501
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 general practice dentistry records → All 5,276 in Illinois → Look up another NPI →

Also registered at 4647 W 103RD St

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

  1. Satinder Dalawari, MDInternal Medicine Physician1750449880
  2. Eugene Decker, DDSGeneral Practice Dentistry1366572620
  3. Geoffrey Decker, DMDGeneral Practice Dentistry1497885750
  4. Hala Gomaa, LPTPhysical Therapist1942249305
  5. Hesham Hegazy, LPTPhysical Therapist1336187962
  6. Richard Hrad, D.D.S.Dentist1164422606

Verify Michael A. Kozek 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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14% more Medicare Part D claims than the average general practice dentistry in 2024

95 Medicare Part D claims for 64 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Michael Kozek95
  2. Specialty average83

Most prescribed

  1. Amoxicillin59 claims
  2. Clindamycin Hcl15 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.

Michael A. Kozek among 5,276 general practice dentistry records in Illinois

Michael A. Kozek, DDS is one of 5,276 general practice dentistry records with a practice address in Illinois. 64% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 4% of them.

  • NPI issued2006 · 4% of these records are older, 68% newer
  • In a Medicare fileYes · 64% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2007 · 75% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223G0001X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

42 general practice dentistry records list a practice address in Oak Lawn

They are 42 of the 2,993 NPPES records with a practice address in Oak Lawn, and 5,276 general practice dentistry records in Illinois.

All 5,276 in Illinois → Every provider in Oak Lawn → General Practice Dentistry nationwide →

The 8 general practice dentistry records with the nearest ZIP codes

  1. Rudolph Burger-Zellinger, DDSOak Lawn, IL 604531174684633
  2. Gerald Connors, D.D.S.Oak Lawn, IL 604531194822668
  3. David Durkin, D.D.S.Oak Lawn, IL 604531508918863
  4. Thomas Fiorenza, DDSOak Lawn, IL 604531518048487
  5. John Fredricksen, DDSOak Lawn, IL 604531487661997
  6. William Grotz, DDSOak Lawn, IL 604531720113855
  7. Thomas King, D.D.S.Oak Lawn, IL 604531003983651
  8. David Levy, D.D.S.Oak Lawn, IL 604531316016090

Common questions

What is Michael A. Kozek, DDS's NPI number?

Michael A. Kozek, DDS's National Provider Identifier (NPI) is 1083784367, issued on Nov 8, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Michael A. Kozek, DDS located?

The NPPES record lists a practice address at 4647 W 103RD St, Oak Lawn, IL, 60453. Phone: (708) 423-0500. Providers update this record themselves, so call before visiting.

How can I verify Michael A. Kozek, DDS's license?

Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

How much does Michael A. Kozek, DDS prescribe under Medicare Part D?

In 2024, Michael A. Kozek, DDS had 95 Medicare Part D claims for 64 beneficiaries; the average among general practice dentistry prescribers was 83. 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.

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.