NPPES file of Aug 9, 2026

John Borja, D.D.S.

General Practice Dentistry · Horicon, WI

John Borja, D.D.S. is a general practice dentistry with a practice address in Horicon, Wisconsin, and NPI 1285754820, issued on Mar 29, 2007. Check the license (Wisconsin 4502, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1285754820
Name
John Borja
Credential
D.D.S.
Primary taxonomy
General Practice Dentistry 1223G0001X
License number
4502 WI
Self-reported in NPPES; status is on the state search
Practice location
501 E Lake St, Horicon, WI 53032
Phone
(920) 485-4831
Enumerated
Mar 29, 2007
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(920) 485-6780
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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Also registered at 501 E Lake St

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

  1. Jean Esser, D.D.S.F.A.G.D.General Practice Dentistry1386768711
  2. Thoedoer Krueger, D.D.S.General Practice Dentistry1689798027
  3. Anna Minnema, DDSGeneral Practice Dentistry1679884498
  4. Megan Oldridge, D.M.D.General Practice Dentistry1699141721

Verify John Borja in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
    Search for license 4502
    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 Wisconsin license search

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2.0 times the Medicare Part D claims of the average general practice dentistry in 2024

167 Medicare Part D claims for 77 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.

  1. John Borja167
  2. Specialty average83

Most prescribed

  1. Amoxicillin54 claims
  2. Sodium Fluoride 5000 Plus31 claims
  3. Clindamycin Hcl23 claims
  4. Etodolac22 claims
  5. Chlorhexidine Gluconate11 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.

John Borja among 2,305 general practice dentistry records in Wisconsin

John Borja, D.D.S. is one of 2,305 general practice dentistry records with a practice address in Wisconsin. 57% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 33% of them.

  • NPI issued2007 · 33% of these records are older, 43% newer
  • In a Medicare fileYes · 57% 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 Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

5 general practice dentistry records list a practice address in Horicon

They are 5 of the 19 NPPES records with a practice address in Horicon, and 2,305 general practice dentistry records in Wisconsin.

The 8 general practice dentistry records with the nearest ZIP codes

  1. Jean Esser, D.D.S.F.A.G.D.Horicon, WI 530321386768711
  2. Thoedoer Krueger, D.D.S.Horicon, WI 530321689798027
  3. Anna Minnema, DDSHoricon, WI 530321679884498
  4. Megan Oldridge, D.M.D.Horicon, WI 530321699141721
  5. Stefan Czechorski, DDSHubertus, WI 530331033243589
  6. Paul Mayer, D.D.S.Hustisford, WI 530341508085119
  7. Terese Bailey, D.D.S.Hartland, WI 530291710122809
  8. Grant Lemke, DDSHartland, WI 530291376636746

Common questions

What is John Borja, D.D.S.'s NPI number?

John Borja, D.D.S.'s National Provider Identifier (NPI) is 1285754820, issued on Mar 29, 2007. An NPI identifies a provider in billing; it is not a license.

Where is John Borja, D.D.S. located?

The NPPES record lists a practice address at 501 E Lake St, Horicon, WI, 53032. Phone: (920) 485-4831. Providers update this record themselves, so call before visiting.

How can I verify John Borja, D.D.S.'s license?

NPPES lists Wisconsin license number 4502, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.

How much does John Borja, D.D.S. prescribe under Medicare Part D?

In 2024, John Borja, D.D.S. had 167 Medicare Part D claims for 77 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.