Gordon Korthals, D.D.S.
Endodontics · Oshkosh, WI
Gordon Korthals, D.D.S. is an endodontics with a practice address in Oshkosh, Wisconsin, and NPI 1235271792, issued on Feb 13, 2007. Check the license (Wisconsin 4375-015, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Gordon Korthals
- Credential
- D.D.S.
- Primary taxonomy
- Endodontics 1223E0200X
- License number
- 4375-015 WI
Self-reported in NPPES; status is on the state search - Practice location
- 600 S Main St, Oshkosh, WI 54902
- Phone
- (920) 233-8882
- Enumerated
- Feb 13, 2007
- Entity
- Type 1 · individual
Also registered at 600 S Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Terry Kippa, DDSEndodontics1427061647
- Kyle Schroeder, D.D.S.Endodontics1679543714
Verify Gordon Korthals in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 4375-015Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
71% fewer Medicare Part D claims than the average endodontics in 2024
36 Medicare Part D claims for 24 beneficiaries, against an average of 124 among the 3,574 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Amoxicillin21 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.
Endodontics providers in Wisconsin
There are 75 endodontics records in Wisconsin.
Other endodontics records in Wisconsin
- B Austin, DDSMadison, WI1225034374
- Ryan Auth, D.D.S.Appleton, WI1093924326
- Bruce Begotka, D.D.S.Eau Claire, WI1922164359
- David Belardi, D.D.S.Milwaukee, WI1184879108
- Kendra Boda, D.D.S.,M.S.Eau Claire, WI1558519058
- Megan Bollman, DMDEau Claire, WI1659572642
- Raison Bose, DDSWauwatosa, WI1780815928
- Edward Breecher, DDSFranklin, WI1164492377
- Lynne Brock, D.D.SBrookfield, WI1699784421
- Mark Buratti, D.D.S.Kenosha, WI1881717890
Common questions
What is Gordon Korthals, D.D.S.'s NPI number?
Gordon Korthals, D.D.S.'s National Provider Identifier (NPI) is 1235271792, issued on Feb 13, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Gordon Korthals, D.D.S. located?
The NPPES record lists a practice address at 600 S Main St, Oshkosh, WI, 54902. Phone: (920) 233-8882. Providers update this record themselves, so call before visiting.
How can I verify Gordon Korthals, D.D.S.'s license?
NPPES lists Wisconsin license number 4375-015, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.
How much does Gordon Korthals, D.D.S. prescribe under Medicare Part D?
In 2024, Gordon Korthals, D.D.S. had 36 Medicare Part D claims for 24 beneficiaries; the average among endodontics prescribers was 124. 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.