NPPES file of Aug 9, 2026

John William Fischer, DDS

General Practice Dentistry · Alton, IL

John William Fischer, DDS is a general practice dentistry with a practice address in Alton, Illinois, and NPI 1639284219, issued on Aug 21, 2006. Check the license with the Illinois board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1639284219
Name
John William Fischer
Credential
DDS
Primary taxonomy
General Practice Dentistry 1223G0001X
Practice location
307 Henry St, Alton, IL 62002
Phone
(618) 465-5653
Enumerated
Aug 21, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
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 307 Henry St

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

  1. John Chanasue, M.D.Dermatology Physician1972618387
  2. Susan Mielke, D.MIN. LCPC (IL)Professional Counselor1114994340
  3. Linda Murray, LCPC, ATR-BCMental Health Counselor1619907219

Verify John William Fischer in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Illinois board licenses this professionCheck 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.

John William Fischer among 5,276 general practice dentistry records in Illinois

John William Fischer, 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 not. Its NPI, issued in 2006, is newer than 4% of them.

  • NPI issued2006 · 4% of these records are older, 68% 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 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).

30 general practice dentistry records list a practice address in Alton

They are 30 of the 1,113 NPPES records with a practice address in Alton, and 5,276 general practice dentistry records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 general practice dentistry records with the nearest ZIP codes

  1. Roy Bower, D.M.D.Alton, IL 620021427185503
  2. Martin Carrow, DMDAlton, IL 620021134185853
  3. Christopher Carrow, D.M.DAlton, IL 620021801015797
  4. Kevin Chapel, DMDAlton, IL 620021083679146
  5. Nicholas Ives, DMDAlton, IL 620021528027851
  6. Francis Madamba, DDSAlton, IL 620021265561799
  7. James Nativi, D.M.D.Alton, IL 620021710037155
  8. Terry Ortman, D.D.S.Alton, IL 620021316004310

Common questions

What is John William Fischer, DDS's NPI number?

John William Fischer, DDS's National Provider Identifier (NPI) is 1639284219, issued on Aug 21, 2006. An NPI identifies a provider in billing; it is not a license.

Where is John William Fischer, DDS located?

The NPPES record lists a practice address at 307 Henry St, Alton, IL, 62002. Phone: (618) 465-5653. Providers update this record themselves, so call before visiting.

How can I verify John William Fischer, DDS's license?

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.