NPPES file of Aug 9, 2026

Michael A. Ryan, D.D.S.

Dentist · Westmont, IL

Michael A. Ryan, D.D.S. is a dentist with a practice address in Westmont, Illinois, and NPI 1831272632, issued on Oct 23, 2006. Check the license (Illinois 19018455, 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
1831272632
Name
Michael A. Ryan
Credential
D.D.S.
Primary taxonomy
Dentist 122300000X
License number
19018455 IL
Self-reported in NPPES; status is on the state search
Practice location
6024 S Cass Ave, Westmont, IL 60559
Phone
(630) 810-9373
Enumerated
Oct 23, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(630) 810-0560
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 Michael A. Ryan 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 19018455
    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
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1% fewer Medicare Part D claims than the average dentist in 2024

85 Medicare Part D claims for 54 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. Michael Ryan85
  2. Specialty average86

Most prescribed

  1. Chlorhexidine Gluconate38 claims
  2. Amoxicillin23 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. Ryan among 4,522 dentist records in Illinois

Michael A. Ryan, 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 2006, is newer than 2% of them.

  • NPI issued2006 · 2% of these records are older, 81% 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 · 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).

26 dentist records list a practice address in Westmont

They are 26 of the 814 NPPES records with a practice address in Westmont, and 4,522 dentist records in Illinois.

The 8 dentist records with the nearest ZIP codes

  1. Patrick Blaney, D.D.S.Westmont, IL 605591336261502
  2. Hwai Yin Chang, DDSWestmont, IL 605591518048081
  3. Edward Cho, DDSWestmont, IL 605591053479840
  4. Bindu GulatiWestmont, IL 605591073677993
  5. Nichol Houston, DMDWestmont, IL 605591326263831
  6. Ronald Isbell, DDSWestmont, IL 605591952411878
  7. Kathryn Kennedy, DDSWestmont, IL 605591043325194
  8. Stephen Lee, D.D.S., PH.D.Westmont, IL 605591497968267

Common questions

What is Michael A. Ryan, D.D.S.'s NPI number?

Michael A. Ryan, D.D.S.'s National Provider Identifier (NPI) is 1831272632, issued on Oct 23, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Michael A. Ryan, D.D.S. located?

The NPPES record lists a practice address at 6024 S Cass Ave, Westmont, IL, 60559. Phone: (630) 810-9373. Providers update this record themselves, so call before visiting.

How can I verify Michael A. Ryan, D.D.S.'s license?

NPPES lists Illinois license number 19018455, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

How much does Michael A. Ryan, D.D.S. prescribe under Medicare Part D?

In 2024, Michael A. Ryan, D.D.S. had 85 Medicare Part D claims for 54 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.