Richard J. Ryan, D.D.S.
Dentist · Warrenville, IL
Richard J. Ryan, D.D.S. is a dentist with a practice address in Warrenville, Illinois, and NPI 1780738773, issued on Jan 23, 2007. Check the license (Illinois 019-015908, as entered in NPPES) with the Illinois board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Richard J. Ryan
- Credential
- D.D.S.
- Primary taxonomy
- Dentist 122300000X
- License number
- 019-015908 IL
Self-reported in NPPES; status is on the state search - Practice location
- 2 South 631 Route 59, Warrenville, IL 60555
- Phone
- (630) 393-2733
- Enumerated
- Jan 23, 2007
- Record last updated
- Oct 29, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (630) 836-1198
- Entity
- Type 1 · individual
8 nearest dentist records → All 4,522 in Illinois → Look up another NPI →
Verify Richard J. Ryan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 019-015908Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Richard J. Ryan among 4,522 dentist records in Illinois
Richard J. 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 not. Its NPI, issued in 2007, is newer than 19% of them.
- NPI issued2007 · 19% of these records are older, 62% newer
- In a Medicare fileNo · 64% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2008 · 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. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 4,522 in Illinois → Every provider in Warrenville → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Viraj Ketkar, DDSWarrenville, IL 605551942041306
- Sumayyah Khan, DDSWarrenville, IL 605551609060821
- Bryce Larson, D.M.D.Warrenville, IL 605551245613249
- Steven Theodosis, DDSWarrenville, IL 605551104012939
- Russell Tripp, D.D.S.Warrenville, IL 605551275698789
- Omar Asfour, DDSSugar Grove, IL 605541427628585
- Donald Fee, D.D.S.Sugar Grove, IL 605541053482083
- Suhayb MustafaSugar Grove, IL 605541588339295
Common questions
What is Richard J. Ryan, D.D.S.'s NPI number?
Richard J. Ryan, D.D.S.'s National Provider Identifier (NPI) is 1780738773, issued on Jan 23, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Richard J. Ryan, D.D.S. located?
The NPPES record lists a practice address at 2 South 631 Route 59, Warrenville, IL, 60555. Phone: (630) 393-2733. Providers update this record themselves, so call before visiting.
How can I verify Richard J. Ryan, D.D.S.'s license?
NPPES lists Illinois license number 019-015908, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity 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. 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.