NPPES file of Aug 9, 2026

William Herman Koenig, DDS

General Practice Dentistry · Waukesha, WI

William Herman Koenig, DDS is a general practice dentistry with a practice address in Waukesha, Wisconsin, and NPI 1700044955, issued on May 23, 2008. Check the license (Wisconsin 5000176015, 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, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1700044955
Name
William Herman Koenig
Credential
DDS
Primary taxonomy
General Practice Dentistry 1223G0001X
License number
5000176015 WI
Self-reported in NPPES; status is on the state search
Practice location
217 Wisconsin Ave, Waukesha, WI 53186
Phone
(262) 547-6602
Enumerated
May 23, 2008
Record last updated
May 23, 2008 (not updated in 18 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 217 Wisconsin Ave

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

  1. Megan HassPhysical Therapist1811748007

Verify William Herman Koenig 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 5000176015
    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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William Herman Koenig among 2,305 general practice dentistry records in Wisconsin

William Herman Koenig, DDS 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 not. Its NPI, issued in 2008, is newer than 57% of them.

  • NPI issued2008 · 57% of these records are older, 38% newer
  • In a Medicare fileNo · 57% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2008 · 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).

45 general practice dentistry records list a practice address in Waukesha

They are 45 of the 2,814 NPPES records with a practice address in Waukesha, and 2,305 general practice dentistry records in Wisconsin. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 general practice dentistry records with the nearest ZIP codes

  1. Dennis Abere, DDSWaukesha, WI 531861962585281
  2. Joseph Fahl, D.D.S.Waukesha, WI 531861912070566
  3. Joseph GrayWaukesha, WI 531861992861371
  4. Michael Lafratta, D.D.S.Waukesha, WI 531861871612903
  5. James LudkeWaukesha, WI 531861316003924
  6. Vincent McAvoy, D.D.S.Waukesha, WI 531861588792055
  7. James Murphy, D.D.S.Waukesha, WI 531861669591780
  8. Gerald Petersen, D.D.S.Waukesha, WI 531861194922575

Common questions

What is William Herman Koenig, DDS's NPI number?

William Herman Koenig, DDS's National Provider Identifier (NPI) is 1700044955, issued on May 23, 2008. An NPI identifies a provider in billing; it is not a license.

Where is William Herman Koenig, DDS located?

The NPPES record lists a practice address at 217 Wisconsin Ave, Waukesha, WI, 53186. Phone: (262) 547-6602. Providers update this record themselves, so call before visiting.

How can I verify William Herman Koenig, DDS's license?

NPPES lists Wisconsin license number 5000176015, 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.