NPPES file of Aug 9, 2026

Marek J. Mroczka, D.D.S.

General Practice Dentistry · Roselle, IL

Marek J. Mroczka, D.D.S. is a general practice dentistry with a practice address in Roselle, Illinois, and NPI 1922164995, issued on Dec 27, 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
1922164995
Name
Marek J. Mroczka
Credential
D.D.S.
Primary taxonomy
General Practice Dentistry 1223G0001X
Practice location
25 E Main St, Roselle, IL 60172
Phone
(630) 924-1185
Enumerated
Dec 27, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(630) 924-1186
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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Verify Marek J. Mroczka 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
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48% fewer Medicare Part D claims than the average general practice dentistry in 2024

43 Medicare Part D claims for 26 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. Marek Mroczka43
  2. Specialty average83

Most prescribed

  1. Chlorhexidine Gluconate22 claims
  2. Amoxicillin14 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.

Marek J. Mroczka among 5,276 general practice dentistry records in Illinois

Marek J. Mroczka, D.D.S. 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).

17 general practice dentistry records list a practice address in Roselle

They are 17 of the 175 NPPES records with a practice address in Roselle, and 5,276 general practice dentistry records in Illinois.

The 8 general practice dentistry records with the nearest ZIP codes

  1. Peter Chang, D.D.S.Roselle, IL 601721053320606
  2. William Kao, D.D.S.Roselle, IL 601721154519882
  3. Harjinder Khaira, DMDRoselle, IL 601721790849222
  4. Brainard Llanes, D.D.S.Roselle, IL 601721366575375
  5. Jay Mueller, D.D.S.Roselle, IL 601721801965553
  6. Robert Mueller, DDSRoselle, IL 601721316067853
  7. George Mueller, DDSRoselle, IL 601721003029349
  8. Misbah Muzaffer, DDSRoselle, IL 601721497324685

Common questions

What is Marek J. Mroczka, D.D.S.'s NPI number?

Marek J. Mroczka, D.D.S.'s National Provider Identifier (NPI) is 1922164995, issued on Dec 27, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Marek J. Mroczka, D.D.S. located?

The NPPES record lists a practice address at 25 E Main St, Roselle, IL, 60172. Phone: (630) 924-1185. Providers update this record themselves, so call before visiting.

How can I verify Marek J. Mroczka, D.D.S.'s license?

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

How much does Marek J. Mroczka, D.D.S. prescribe under Medicare Part D?

In 2024, Marek J. Mroczka, D.D.S. had 43 Medicare Part D claims for 26 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.

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.