Registry data as of Aug 27, 2026

Robert Chojnacki

General Practice Dentistry · Hales Corners, WI

Robert Chojnacki is a general practice dentistry with a practice address in Hales Corners, Wisconsin, and NPI 1073668661, issued on Jan 24, 2007. Check the license (Wisconsin 4001864, as entered in NPPES) with the Wisconsin board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1073668661
Name
Robert Chojnacki
Primary taxonomy
General Practice Dentistry 1223G0001X
License number
4001864 WI
Self-reported in NPPES; status is on the state search
Practice location
5301A S 108TH St, Hales Corners, WI 53130
Phone
(414) 529-1850
Enumerated
Jan 24, 2007
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 5301A S 108TH St

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

  1. Steven Jagemann, D.D.S.General Practice Dentistry1891953865
  2. Alicia SuaverdezGeneral Practice Dentistry1255498630

Verify Robert Chojnacki 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 4001864
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

18 general practice dentistry records list a Hales Corners practice address

They are 18 of the 166 NPPES records with a Hales Corners practice address, and 2,305 general practice dentistry records in Wisconsin. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other general practice dentistry records in Wisconsin

  1. Komail Abbas, D.M.D.Kenosha, WI1114206109
  2. Dennis Abere, DDSWaukesha, WI1962585281
  3. Caleb Abfall, DDSGreen Bay, WI1336851765
  4. Margaret Aboagye, DDSRacine, WI1629150289
  5. Jennifer Abraham, D.D.S.Thiensville, WI1295944619
  6. Reena Abraham, DMDMarshfield, WI1457589491
  7. Theresa Adamczyk, DDSOshkosh, WI1962882308
  8. Frances Adjepon-YamoahMadison, WI1689281081
  9. Mohamed Adl, DDSWest Allis, WI1083640460
  10. Dennis Adler, DDSMount Horeb, WI1083787626

Common questions

What is Robert Chojnacki's NPI number?

Robert Chojnacki's National Provider Identifier (NPI) is 1073668661, issued on Jan 24, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Robert Chojnacki located?

The NPPES record lists a practice address at 5301A S 108TH St, Hales Corners, WI, 53130. Phone: (414) 529-1850. Providers update this record themselves, so call before visiting.

How can I verify Robert Chojnacki's license?

NPPES lists Wisconsin license number 4001864, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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) 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 27, 2026.