Walter G. Janis, DDS
General Practice Dentistry · Glen Ellyn, IL
Walter G. Janis, DDS is a general practice dentistry with a practice address in Glen Ellyn, Illinois, and NPI 1780779728, issued on Oct 4, 2006. Check the license (Illinois 19-A14078, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Walter G. Janis
- Credential
- DDS
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 19-A14078 IL
Self-reported in NPPES; status is on the state search - Practice location
- 45 S Park Blvd, Glen Ellyn, IL 60137
- Phone
- (630) 858-0089
- Enumerated
- Oct 4, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 5,276 in Illinois → Look up another NPI →
Also registered at 45 S Park Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Katrina Appiah, LCSWClinical Social Worker1780889196
- Penny Belke, D.D.S.General Practice Dentistry1891866927
- Erika BergProfessional Counselor1659993681
- John Borello, D.D.S.Periodontics1629149752
- Katherine Borello, D.D.SGeneral Practice Dentistry1316252869
- Robert Brandys, DDS, MSDEndodontics1952529414
Verify Walter G. Janis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 19-A14078Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
82% fewer Medicare Part D claims than the average general practice dentistry in 2024
15 Medicare Part D claims for 12 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Amoxicillin14 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.
Walter G. Janis among 5,276 general practice dentistry records in Illinois
Walter G. Janis, DDS is one of 5,276 general practice dentistry 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 4% of them.
- NPI issued2006 · 4% of these records are older, 68% 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 · 75% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223G0001X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
28 general practice dentistry records list a practice address in Glen Ellyn
They are 28 of the 684 NPPES records with a practice address in Glen Ellyn, and 5,276 general practice dentistry records in Illinois.
All 5,276 in Illinois → Every provider in Glen Ellyn → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Mark Beck, D.D.S.Glen Ellyn, IL 601371730118456
- Glenn Gavin, D.D.S.Glen Ellyn, IL 601371831202712
- Jeffrey Gentile, D.D.S.Glen Ellyn, IL 601371205906963
- John Giannopoulds, DDSFranklin Park, IL 601371922185719
- Theresa Jansky, D.D.S.Glen Ellyn, IL 601371972531481
- Robert Jourdan, D.D.S.Glen Ellyn, IL 601371396858221
- Robin Jungblut, D.D.S.Glen Ellyn, IL 601371336151463
- Frank Kaman, DDS PCGlen Ellyn, IL 601371578632436
Common questions
What is Walter G. Janis, DDS's NPI number?
Walter G. Janis, DDS's National Provider Identifier (NPI) is 1780779728, issued on Oct 4, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Walter G. Janis, DDS located?
The NPPES record lists a practice address at 45 S Park Blvd, Glen Ellyn, IL, 60137. Phone: (630) 858-0089. Providers update this record themselves, so call before visiting.
How can I verify Walter G. Janis, DDS's license?
NPPES lists Illinois license number 19-A14078, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Walter G. Janis, DDS prescribe under Medicare Part D?
In 2024, Walter G. Janis, DDS had 15 Medicare Part D claims for 12 beneficiaries; the average among general practice dentistry prescribers was 83. 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.