NPPES file of Aug 9, 2026

William Madsen, DMD

Dentist · Kirkland, IL

William Madsen, DMD is a dentist with a practice address in Kirkland, Illinois, and NPI 1992220305, issued on Aug 7, 2017. Check the license (Illinois 019.031300, 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
1992220305
Name
William Madsen
Credential
DMD
Primary taxonomy
Dentist 122300000X
License number
019.031300 IL
Self-reported in NPPES; status is on the state search
Practice location
105 Brennan Dr, Kirkland, IL 60146
Phone
(815) 522-3541
Enumerated
Aug 7, 2017
Record last updated
Aug 7, 2017 (not updated in 9 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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Verify William Madsen 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 019.031300
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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67% fewer Medicare Part D claims than the average dentist in 2024

28 Medicare Part D claims for 21 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D.

  1. William Madsen28
  2. Specialty average86

Most prescribed

  1. Amoxicillin17 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.

William Madsen among 4,522 dentist records in Illinois

William Madsen, DMD 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 2017, is newer than 71% of them.

  • NPI issued2017 · 71% of these records are older, 26% 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 updated2017 · 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).

2 dentist records list a practice address in Kirkland

They are 2 of the 10 NPPES records with a practice address in Kirkland, and 4,522 dentist records in Illinois.

The 8 dentist records with the nearest ZIP codes

  1. Barbara Runne, DDSKirkland, IL 601461598783037
  2. Michael CeroneLombard, IL 601481780898148
  3. Patrick Cullinan, DDSLombard, IL 601481477615672
  4. Dean Francis, D.D.S.Lombard, IL 601481700876786
  5. John FrenzelLombard, IL 601481497823009
  6. Sheela Gandhi, D.D.S.Lombard, IL 601481700930526
  7. Mary Ann Hollis, DDSLombard, IL 601481578631180
  8. Kevin Krug, DDSLombard, IL 601481386767242

Common questions

What is William Madsen, DMD's NPI number?

William Madsen, DMD's National Provider Identifier (NPI) is 1992220305, issued on Aug 7, 2017. An NPI identifies a provider in billing; it is not a license.

Where is William Madsen, DMD located?

The NPPES record lists a practice address at 105 Brennan Dr, Kirkland, IL, 60146. Phone: (815) 522-3541. Providers update this record themselves, so call before visiting.

How can I verify William Madsen, DMD's license?

NPPES lists Illinois license number 019.031300, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

How much does William Madsen, DMD prescribe under Medicare Part D?

In 2024, William Madsen, DMD had 28 Medicare Part D claims for 21 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.