NPPES file of Aug 9, 2026

Joseph Daniel Nencka, D.D.S.

Dentist · Brookfield, WI

Joseph Daniel Nencka, D.D.S. is a dentist with a practice address in Brookfield, Wisconsin, and NPI 1609959154, issued on Oct 20, 2006. Check the license (Wisconsin 5983-015, 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
1609959154
Name
Joseph Daniel Nencka
Credential
D.D.S.
Primary taxonomy
Dentist 122300000X
License number
5983-015 WI
Self-reported in NPPES; status is on the state search
Practice location
12660 W North Ave, Brookfield, WI 53005
Phone
(262) 432-1600
Enumerated
Oct 20, 2006
Record last updated
May 27, 2015 (not updated in 11 years: call before relying on the address or phone)
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 12660 W North Ave

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

  1. Theodore Calado, D.D.S.General Practice Dentistry1942346580
  2. Todd Engel, D.D.S.Endodontics1154415263
  3. Gregory Haasch, D.D.S.Endodontics1477615532
  4. Thomas Henschel, D.D.S.General Practice Dentistry1225174857
  5. Daniel Nencka, D.D.S.Endodontics1275610768
  6. James Szymczak, D.D.S.Dentist1639147358

Verify Joseph Daniel Nencka 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 5983-015
    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.

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23% more Medicare Part D claims than the average dentist in 2024

106 Medicare Part D claims for 95 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Joseph Nencka106
  2. Specialty average86

Most prescribed

  1. Amoxicillin67 claims
  2. Clindamycin Hcl17 claims
  3. Amoxicillin-Clavulanate Potass12 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.

Joseph Daniel Nencka among 1,750 dentist records in Wisconsin

Joseph Daniel Nencka, D.D.S. is one of 1,750 dentist records with a practice address in Wisconsin. 60% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 2% of them.

  • NPI issued2006 · 2% of these records are older, 78% newer
  • In a Medicare fileYes · 60% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2015 · 67% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 122300000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

30 dentist records list a practice address in Brookfield

They are 30 of the 2,036 NPPES records with a practice address in Brookfield, and 1,750 dentist records in Wisconsin.

The 8 dentist records with the nearest ZIP codes

  1. Thomas Andersen, D.D.S.Brookfield, WI 530051407043417
  2. Krissy Connor, DDSBrookfield, WI 530051346499332
  3. Samantha Cox, D.D.S.Brookfield, WI 530051689994824
  4. Murphy Dupler, D.D.S.Brookfield, WI 530051952487118
  5. Carl Erck, DDSBrookfield, WI 530051912093857
  6. Mark Hackbarth, DDSBrookfield, WI 530051568476083
  7. Edward Hoffmann, D.D.S.Brookfield, WI 530051326255597
  8. Arger Markakis, DDSBrookfield, WI 530051952569105

Common questions

What is Joseph Daniel Nencka, D.D.S.'s NPI number?

Joseph Daniel Nencka, D.D.S.'s National Provider Identifier (NPI) is 1609959154, issued on Oct 20, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Joseph Daniel Nencka, D.D.S. located?

The NPPES record lists a practice address at 12660 W North Ave, Brookfield, WI, 53005. Phone: (262) 432-1600. Providers update this record themselves, so call before visiting.

How can I verify Joseph Daniel Nencka, D.D.S.'s license?

NPPES lists Wisconsin license number 5983-015, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.

How much does Joseph Daniel Nencka, D.D.S. prescribe under Medicare Part D?

In 2024, Joseph Daniel Nencka, D.D.S. had 106 Medicare Part D claims for 95 beneficiaries; the average among dentist prescribers was 86. 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.