NPPES file of Aug 9, 2026

Ralph Edmund McDonald, D.D.S.

General Practice Dentistry · Glen Ellyn, IL

Ralph Edmund McDonald, D.D.S. is a general practice dentistry with a practice address in Glen Ellyn, Illinois, and NPI 1992890529, issued on Oct 3, 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
1992890529
Name
Ralph Edmund McDonald
Credential
D.D.S.
Primary taxonomy
General Practice Dentistry 1223G0001X
Practice location
443 Duane Street, Glen Ellyn, IL 60137
Phone
(630) 469-0029
Enumerated
Oct 3, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(630) 469-5040
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 Ralph Edmund McDonald 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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87% fewer Medicare Part D claims than the average general practice dentistry in 2024

11 Medicare Part D claims, 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. Ralph McDonald11
  2. Specialty average83

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.

Ralph Edmund McDonald among 5,276 general practice dentistry records in Illinois

Ralph Edmund McDonald, 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).

28 general practice dentistry records list a practice address in Glen Ellyn

They are 28 of the 684 NPPES records with a practice address in Glen Ellyn, and 5,276 general practice dentistry records in Illinois.

The 8 general practice dentistry records with the nearest ZIP codes

  1. Mark Beck, D.D.S.Glen Ellyn, IL 601371730118456
  2. Glenn Gavin, D.D.S.Glen Ellyn, IL 601371831202712
  3. Jeffrey Gentile, D.D.S.Glen Ellyn, IL 601371205906963
  4. John Giannopoulds, DDSFranklin Park, IL 601371922185719
  5. Walter Janis, DDSGlen Ellyn, IL 601371780779728
  6. Theresa Jansky, D.D.S.Glen Ellyn, IL 601371972531481
  7. Robert Jourdan, D.D.S.Glen Ellyn, IL 601371396858221
  8. Robin Jungblut, D.D.S.Glen Ellyn, IL 601371336151463

Common questions

What is Ralph Edmund McDonald, D.D.S.'s NPI number?

Ralph Edmund McDonald, D.D.S.'s National Provider Identifier (NPI) is 1992890529, issued on Oct 3, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Ralph Edmund McDonald, D.D.S. located?

The NPPES record lists a practice address at 443 Duane Street, Glen Ellyn, IL, 60137. Phone: (630) 469-0029. Providers update this record themselves, so call before visiting.

How can I verify Ralph Edmund McDonald, D.D.S.'s license?

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

How much does Ralph Edmund McDonald, D.D.S. prescribe under Medicare Part D?

In 2024, Ralph Edmund McDonald, D.D.S. had 11 Medicare Part D claims; 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.