Joel Mark Hartjes, DDS
General Practice Dentistry · Middleton, WI
Joel Mark Hartjes, DDS is a general practice dentistry with a practice address in Middleton, Wisconsin, and NPI 1972677920, issued on Nov 20, 2006. Check the license (Wisconsin 4461, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Joel Mark Hartjes
- Credential
- DDS
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 4461 WI
Self-reported in NPPES; status is on the state search - Practice location
- 1001 N Gammon RD, Middleton, WI 53562
- Phone
- (608) 836-5600
- Enumerated
- Nov 20, 2006
- Record last updated
- Jul 9, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (608) 836-4589
- Medicaid ID
- 33784500 WI
- Entity
- Type 1 · individual
Also registered at 1001 N Gammon RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Brad Hartjes, DDSGeneral Practice Dentistry1205900156
- James Lord, DDSGeneral Practice Dentistry1255349429
- Jennifer Rypel, D.M.D.General Practice Dentistry1851687255
Verify Joel Mark Hartjes in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 4461Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
60% fewer Medicare Part D claims than the average general practice dentistry in 2024
33 Medicare Part D claims for 25 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin16 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.
15 general practice dentistry records list a practice address in Middleton
They are 15 of the 620 NPPES records with a practice address in Middleton, and 2,305 general practice dentistry records in Wisconsin.
All 15 in Middleton → All 2,305 in Wisconsin → Every provider in Middleton →
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 Joel Mark Hartjes, DDS's NPI number?
Joel Mark Hartjes, DDS's National Provider Identifier (NPI) is 1972677920, issued on Nov 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Joel Mark Hartjes, DDS located?
The NPPES record lists a practice address at 1001 N Gammon RD, Middleton, WI, 53562. Phone: (608) 836-5600. Providers update this record themselves, so call before visiting.
How can I verify Joel Mark Hartjes, DDS's license?
NPPES lists Wisconsin license number 4461, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.
How much does Joel Mark Hartjes, DDS prescribe under Medicare Part D?
In 2024, Joel Mark Hartjes, DDS had 33 Medicare Part D claims for 25 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.