NPPES file of Aug 9, 2026

Keith Clarence Winternheimer, DDS

Dentist · Grayville, IL

Keith Clarence Winternheimer, DDS is a dentist with a practice address in Grayville, Illinois, and NPI 1700221074, issued on May 1, 2013. Check the license (Illinois 019024049, 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.

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

NPPES recordNPPES file of Aug 9, 2026
1700221074
Name
Keith Clarence Winternheimer
Credential
DDS
Primary taxonomy
Dentist 122300000X
License number
019024049 IL
Self-reported in NPPES; status is on the state search
Practice location
610 North Court, Grayville, IL 62844
Phone
(618) 375-6341
Enumerated
May 1, 2013
Record last updated
May 1, 2013 (not updated in 13 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.
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Verify Keith Clarence Winternheimer 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 019024049
    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.

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Keith Clarence Winternheimer among 4,522 dentist records in Illinois

Keith Clarence Winternheimer, DDS 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 2013, is newer than 58% of them.

  • NPI issued2013 · 58% of these records are older, 38% 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 updated2013 · 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).

1 dentist record lists a practice address in Grayville

They are 1 of the 12 NPPES records with a practice address in Grayville, and 4,522 dentist records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 dentist records with the nearest ZIP codes

  1. Rebecca Greff, DMDFlora, IL 628391639471915
  2. Dewain Kramer, DDSFairfield, IL 628371528110616
  3. Bradley Kramer, DMDFairfield, IL 628371790840825
  4. David Link, DMDFairfield, IL 628371760558316
  5. Kasey Pyron, D.M.D.Du Quoin, IL 628321750730917
  6. David Miller, DDSMount Carmel, IL 628631972649390
  7. Bryce MillerMount Carmel, IL 628631740697358
  8. Cheryl Beckmann, D.M.D.Mt Vernon, IL 628641053501791

Common questions

What is Keith Clarence Winternheimer, DDS's NPI number?

Keith Clarence Winternheimer, DDS's National Provider Identifier (NPI) is 1700221074, issued on May 1, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Keith Clarence Winternheimer, DDS located?

The NPPES record lists a practice address at 610 North Court, Grayville, IL, 62844. Phone: (618) 375-6341. Providers update this record themselves, so call before visiting.

How can I verify Keith Clarence Winternheimer, DDS's license?

NPPES lists Illinois license number 019024049, 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.