NPPES file of Aug 9, 2026

Yahya Sayed Suliman Atassi, DDS, MS

Periodontics · Downers Grove, IL

Yahya Sayed Suliman Atassi, DDS, MS is a periodontics with a practice address in Downers Grove, Illinois, and NPI 1639956758, issued on Sep 12, 2023. Check the license (Illinois 021.003290, 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
1639956758
Name
Yahya Sayed Suliman Atassi
Credential
DDS, MS
Primary taxonomy
Periodontics 1223P0300X
License numbers
021.003290 IL
019.034585 IL
Self-reported in NPPES; status is on the state search
Practice location
6800 Main St Ste 3, Downers Grove, IL 60516
Phone
(716) 243-2656
Enumerated
Sep 12, 2023
Record last updated
Mar 17, 2026
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.
Download card Updates feed

Also registered at 6800 Main St Ste 3

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

  1. Chadwick Augusty, D.M.D.Orthodontics and Dentofacial Orthopedics Dentistry1144775305

Verify Yahya Sayed Suliman Atassi 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 021.003290
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

51% fewer Medicare Part D claims than the average periodontics in 2024

135 Medicare Part D claims for 53 beneficiaries, against an average of 277 among the 4,191 providers of this specialty who prescribed in Part D.

  1. Yahya Sayed Suliman Atassi135
  2. Specialty average277

Most prescribed

  1. Chlorhexidine Gluconate49 claims
  2. Amoxicillin28 claims
  3. Etodolac23 claims
  4. Clindamycin Hcl13 claims
  5. Dexamethasone13 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.

Periodontics providers in Illinois

There are 214 periodontics records in Illinois.

Other periodontics records in Illinois

  1. Basem Abdullah, D.D.S.Arlington Heights, IL1104846609
  2. Orlando Abreu, DDS, MSPalatine, IL1508282344
  3. Timothy Aiossa, D.D.S.Elmwood Park, IL1134261951
  4. Haider Aljewari, DMDChampaign, IL1245686724
  5. Nicholas Amigoni, DDSRolling Meadows, IL1467660365
  6. Dorothy Anasinski, D.D.S.Niles, IL1083763965
  7. John AndersonGurnee, IL1558515726
  8. Katrine Andreasen, D.M.D., MSRockford, IL1114372422
  9. Patrick Angelo, D.D.S., M.S.River Forest, IL1770601650
  10. Terry Annex, D.D.S.Skokie, IL1568478360

Common questions

What is Yahya Sayed Suliman Atassi, DDS, MS's NPI number?

Yahya Sayed Suliman Atassi, DDS, MS's National Provider Identifier (NPI) is 1639956758, issued on Sep 12, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Yahya Sayed Suliman Atassi, DDS, MS located?

The NPPES record lists a practice address at 6800 Main St Ste 3, Downers Grove, IL, 60516. Phone: (716) 243-2656. Providers update this record themselves, so call before visiting.

How can I verify Yahya Sayed Suliman Atassi, DDS, MS's license?

NPPES lists Illinois license number 021.003290, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

How much does Yahya Sayed Suliman Atassi, DDS, MS prescribe under Medicare Part D?

In 2024, Yahya Sayed Suliman Atassi, DDS, MS had 135 Medicare Part D claims for 53 beneficiaries; the average among periodontics prescribers was 277. 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.