NPPES file of Aug 9, 2026

Donald Jonker, D.D.S.

Dentist · Romeoville, IL

Donald Jonker, D.D.S. is a dentist with a practice address in Romeoville, Illinois, and NPI 1588022933, issued on Jan 31, 2016. Check the license (Illinois 019030428, as entered in NPPES) 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
1588022933
Name
Donald Jonker
Credential
D.D.S.
Primary taxonomy
Dentist 122300000X
License number
019030428 IL
Self-reported in NPPES; status is on the state search
Practice location
46 S Weber RD, Romeoville, IL 60446
Phone
(815) 293-1500
Enumerated
Jan 31, 2016
Record last updated
May 18, 2018 (not updated in 8 years: call before relying on the address or phone)
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 46 S Weber RD

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

  1. Eva Coggin, DDSGeneral Practice Dentistry1871668608
  2. Angela Paros, D.D.S.General Practice Dentistry1184836967
  3. Brendan Vastlik, DDSDentist1457975971

Verify Donald Jonker 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 019030428
    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

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9% more Medicare Part D claims than the average dentist in 2024

94 Medicare Part D claims for 65 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Donald Jonker94
  2. Specialty average86

Most prescribed

  1. Amoxicillin57 claims
  2. Clindamycin Hcl13 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.

Donald Jonker among 4,522 dentist records in Illinois

Donald Jonker, D.D.S. is one of 4,522 dentist 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 2016, is newer than 68% of them.

  • NPI issued2016 · 68% of these records are older, 29% 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 updated2018 · 74% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 122300000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

12 dentist records list a practice address in Romeoville

They are 12 of the 320 NPPES records with a practice address in Romeoville, and 4,522 dentist records in Illinois.

The 8 dentist records with the nearest ZIP codes

  1. Keyrolos Bottros, DDSRomeoville, IL 604461083232441
  2. Joseph Jv Castillo, DMDRomeoville, IL 604461184351843
  3. Mirette Hanna, DMDRomeoville, IL 604461134796899
  4. Minalben Kakadia, D.M.D.Romeoville, IL 604461235543257
  5. Rima Modi, DMDRomeoville, IL 604461396363156
  6. Frederick Mueller, DDSRomeoville, IL 604461013085711
  7. Umang Patel, D.D.S.Romeoville, IL 604461396951265
  8. Dhaval Shah, D.M.DRomeoville, IL 604461063760080

Common questions

What is Donald Jonker, D.D.S.'s NPI number?

Donald Jonker, D.D.S.'s National Provider Identifier (NPI) is 1588022933, issued on Jan 31, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Donald Jonker, D.D.S. located?

The NPPES record lists a practice address at 46 S Weber RD, Romeoville, IL, 60446. Phone: (815) 293-1500. Providers update this record themselves, so call before visiting.

How can I verify Donald Jonker, D.D.S.'s license?

NPPES lists Illinois license number 019030428, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

How much does Donald Jonker, D.D.S. prescribe under Medicare Part D?

In 2024, Donald Jonker, D.D.S. had 94 Medicare Part D claims for 65 beneficiaries; the average among dentist prescribers was 86. 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.