William Joseph Kinderknecht, DO
Family Medicine Physician · Janesville, WI
William Joseph Kinderknecht, DO is a family medicine physician with a practice address in Janesville, Wisconsin, and NPI 1821407644, issued on Aug 6, 2014. Check the license (Wisconsin 81522-21, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- William Joseph Kinderknecht
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- 81522-21 WI
5862 OK
Self-reported in NPPES; status is on the state search - Practice location
- 1000 Mineral Point Ave, Janesville, WI 53548
- Phone
- (608) 756-6868
- Enumerated
- Aug 6, 2014
- Record last updated
- May 12, 2026
- Medicare enrollment
- Enrolled (PECOS I20240830001805); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,765 in Wisconsin → Look up another NPI →
Also registered at 1000 Mineral Point Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify William Joseph Kinderknecht in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 81522-21Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
70% more Medicare Part D claims than the average family medicine physician in 2024
6,008 Medicare Part D claims for 521 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims. 49 claims were for opioids.
Most prescribed
- Atorvastatin Calcium331 claims
- Levothyroxine Sodium295 claims
- Amlodipine Besylate294 claims
- Lisinopril291 claims
- Losartan Potassium264 claims
- Pantoprazole Sodium235 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 98.4 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Mercy Health System CorporationJanesville, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William Joseph Kinderknecht among 3,765 family medicine physician records in Wisconsin
William Joseph Kinderknecht, DO is one of 3,765 family medicine physician records with a practice address in Wisconsin. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 74% of them.
- NPI issued2014 · 74% of these records are older, 24% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2014 · median 2007 among the 2,347 with a school on file
- Record last updated2026 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
73 family medicine physician records list a practice address in Janesville
They are 73 of the 1,538 NPPES records with a practice address in Janesville, and 3,765 family medicine physician records in Wisconsin.
All 3,765 in Wisconsin → Every provider in Janesville → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Marlise Davidson-Fiedler, MDJanesville, WI 535481528590908
- Jennifer Hussli, MDJanesville, WI 535481366515660
- Jean Ibric, M.D.Janesville, WI 535481871608356
- Bryan Ikeudenta, MDJanesville, WI 535481881270627
- Stephen Lindahl, MDJanesville, WI 535481114093408
- Kayla Miller, MDJanesville, WI 535481760969554
- Lauren Mixtacki, M.D.Janesville, WI 535481790171254
- Jason Moen, MDJanesville, WI 535481588152714
Common questions
What is William Joseph Kinderknecht, DO's NPI number?
William Joseph Kinderknecht, DO's National Provider Identifier (NPI) is 1821407644, issued on Aug 6, 2014. An NPI identifies a provider in billing; it is not a license.
Where is William Joseph Kinderknecht, DO located?
The NPPES record lists a practice address at 1000 Mineral Point Ave, Janesville, WI, 53548. Phone: (608) 756-6868. Providers update this record themselves, so call before visiting.
How can I verify William Joseph Kinderknecht, DO's license?
NPPES lists Wisconsin license number 81522-21, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William Joseph Kinderknecht, DO prescribe under Medicare Part D?
In 2024, William Joseph Kinderknecht, DO had 6,008 Medicare Part D claims for 521 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is William Joseph Kinderknecht, DO's MIPS final score?
The 2023 MIPS final score is 98.4 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.