Registry data as of Aug 27, 2026

Robert Ryan, DDS

Periodontics · Mt Prospect, IL

Robert Ryan, DDS is a periodontics with a practice address in Mt Prospect, Illinois, and NPI 1780771436, issued on Oct 6, 2006. Check the license (Illinois 215965, 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, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1780771436
Name
Robert Ryan
Credential
DDS
Primary taxonomy
Periodontics 1223P0300X
License numbers
215965 IL
19A15156 IL
33145 CA
Self-reported in NPPES; status is on the state search
Practice location
601 W Central RD, Mt Prospect, IL 60056
Phone
(847) 506-1144
Enumerated
Oct 6, 2006
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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Also registered at 601 W Central RD

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

  1. Bertha Cabrera, MDPediatrics Physician1235142241

Verify Robert 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 215965
    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.

25% fewer Medicare Part D claims than the average periodontics in 2024

208 Medicare Part D claims for 52 beneficiaries, against an average of 279 among the 3,776 providers of this specialty who prescribed in Part D. 13 claims were for opioids.

  1. Robert Ryan208
  2. Specialty average279

Most prescribed

  1. Chlorhexidine Gluconate62 claims
  2. Amoxicillin46 claims
  3. Etodolac34 claims
  4. Doxycycline Hyclate24 claims
  5. Triazolam17 claims
  6. Acetaminophen-Codeine12 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 190 periodontics records in Illinois.

Other periodontics records in Illinois

  1. Orlando Abreu, DDS, MSPalatine, IL1508282344
  2. Haider Aljewari, DMDChampaign, IL1245686724
  3. Nicholas Amigoni, DDSRolling Meadows, IL1467660365
  4. Dorothy Anasinski, D.D.S.Niles, IL1083763965
  5. John AndersonGurnee, IL1558515726
  6. Katrine Andreasen, D.M.D., MSRockford, IL1114372422
  7. Patrick Angelo, D.D.S., M.S.River Forest, IL1770601650
  8. Terry Annex, D.D.S.Skokie, IL1568478360
  9. Ken Arrieta, DDSCrest Hill, IL1336295708
  10. Seema Ashrafi, DDSChicago, IL1922212133

Common questions

What is Robert Ryan, DDS's NPI number?

Robert Ryan, DDS's National Provider Identifier (NPI) is 1780771436, issued on Oct 6, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Robert Ryan, DDS located?

The NPPES record lists a practice address at 601 W Central RD, Mt Prospect, IL, 60056. Phone: (847) 506-1144. Providers update this record themselves, so call before visiting.

How can I verify Robert Ryan, DDS's license?

NPPES lists Illinois license number 215965, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

How much does Robert Ryan, DDS prescribe under Medicare Part D?

In 2024, Robert Ryan, DDS had 208 Medicare Part D claims for 52 beneficiaries; the average among periodontics prescribers was 279. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.