Jon James Gruchalski, DDS
General Practice Dentistry · New Berlin, WI
Jon James Gruchalski, DDS is a general practice dentistry with a practice address in New Berlin, Wisconsin, and NPI 1083873004, issued on Jun 5, 2008. Check the license (Wisconsin 3978, 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.
- Name
- Jon James Gruchalski
- Credential
- DDS
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 3978 WI
Self-reported in NPPES; status is on the state search - Practice location
- 4010 South Church Drive, New Berlin, WI 53151
- Phone
- (262) 784-2449
- Enumerated
- Jun 5, 2008
- Record last updated
- Jun 5, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (262) 784-7873
- Entity
- Type 1 · individual
Also registered at 4010 South Church Drive
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jeffrey Gruchalski, DDSGeneral Practice Dentistry1366603995
Verify Jon James Gruchalski in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 3978Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
17 general practice dentistry records list a practice address in New Berlin
They are 17 of the 662 NPPES records with a practice address in New Berlin, and 2,305 general practice dentistry records in Wisconsin. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 17 in New Berlin → All 2,305 in Wisconsin → Every provider in New Berlin →
Other general practice dentistry records in Wisconsin
- Komail Abbas, D.M.D.Kenosha, WI1114206109
- Dennis Abere, DDSWaukesha, WI1962585281
- Caleb Abfall, DDSGreen Bay, WI1336851765
- Margaret Aboagye, DDSRacine, WI1629150289
- Jennifer Abraham, D.D.S.Thiensville, WI1295944619
- Reena Abraham, DMDMarshfield, WI1457589491
- Theresa Adamczyk, DDSOshkosh, WI1962882308
- Frances Adjepon-YamoahMadison, WI1689281081
- Mohamed Adl, DDSWest Allis, WI1083640460
- Dennis Adler, DDSMount Horeb, WI1083787626
Common questions
What is Jon James Gruchalski, DDS's NPI number?
Jon James Gruchalski, DDS's National Provider Identifier (NPI) is 1083873004, issued on Jun 5, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Jon James Gruchalski, DDS located?
The NPPES record lists a practice address at 4010 South Church Drive, New Berlin, WI, 53151. Phone: (262) 784-2449. Providers update this record themselves, so call before visiting.
How can I verify Jon James Gruchalski, DDS's license?
NPPES lists Wisconsin license number 3978, 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), 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.