Michael Basil Cosmos, DMD
Dentist · Elmhurst, IL
Michael Basil Cosmos, DMD is a dentist with a practice address in Elmhurst, Illinois, and NPI 1508494808, issued on Mar 31, 2020. Check the license (Illinois 019.032569, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Michael Basil Cosmos
- Credential
- DMD
- Primary taxonomy
- Dentist 122300000X
- License number
- 019.032569 IL
Self-reported in NPPES; status is on the state search - Practice location
- 332 N York St, Elmhurst, IL 60126
- Phone
- (630) 832-1212
- Enumerated
- Mar 31, 2020
- Record last updated
- Aug 13, 2025
- Entity
- Type 1 · individual
8 nearest dentist records → All 4,522 in Illinois → Look up another NPI →
Verify Michael Basil Cosmos in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 019.032569Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
19% more Medicare Part D claims than the average dentist in 2024
102 Medicare Part D claims for 52 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.
Most prescribed
- Amoxicillin54 claims
- Chlorhexidine Gluconate18 claims
- Ibuprofen11 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 Basil Cosmos among 4,522 dentist records in Illinois
Michael Basil Cosmos, 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 2020, is newer than 80% of them.
- NPI issued2020 · 80% of these records are older, 18% 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 updated2025 · 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).
Dentist providers in Illinois
There are 4,522 dentist records in Illinois.
All 4,522 in Illinois → Every provider in Elmhurst → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Michael Bicknell, DDS., MSElmhurst, IL 601261356424337
- Matthew Blass, DDSElmhurst, IL 601261508970526
- Susan Burgess, DMDElmhurst, IL 601261184785511
- Ashor Elia, DDSElmhurst, IL 601261467520585
- Keith Guzaitis, DDSElmhurst, IL 601261558439679
- Sejal Jobalia, D.D.SElmhurst, IL 601261801997697
- Michelle Kearney, DDSElmhurst, IL 601261033244967
- Marguerite Kelly, D.D.S.Elmhurst, IL 601261104976513
Common questions
What is Michael Basil Cosmos, DMD's NPI number?
Michael Basil Cosmos, DMD's National Provider Identifier (NPI) is 1508494808, issued on Mar 31, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Michael Basil Cosmos, DMD located?
The NPPES record lists a practice address at 332 N York St, Elmhurst, IL, 60126. Phone: (630) 832-1212. Providers update this record themselves, so call before visiting.
How can I verify Michael Basil Cosmos, DMD's license?
NPPES lists Illinois license number 019.032569, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Michael Basil Cosmos, DMD prescribe under Medicare Part D?
In 2024, Michael Basil Cosmos, DMD had 102 Medicare Part D claims for 52 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.