William Joseph Kinderknecht, DO

Primary specialty

Family Medicine PhysicianTaxonomy code 207Q00000X

License

81522-21 Issued in WI

Practice address

1000 Mineral Point Ave
Janesville, WI 53548-2982

Phone

(608) 756-6868

NPI assigned

Aug 6, 2014

Last updated

May 12, 2026By the provider in NPPES

Sex

Male

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 3

Addresses

Medicare fee-for-service enrollment

Enrolled in WI

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Family Practice

Education

Other, 2014

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Mercy Health System CorporationGroup PAC ID 7416860440, 749 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Mercyhealth at Home Home health agency, Janesville, WI, CCN 527018
• Agrace Hospicecare Hospice, Madison, WI, CCN 521505
• Mercyhealth at Home Hospice, Janesville, WI, CCN 521550
• Mercy Health System Corp Hospital, Janesville, WI, CCN 520066
• Mercy Walworth Hospital & Medical Center Hospital, Lake Geneva, WI, CCN 521357

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: wkinderknecht117202@direct.mhemail.org

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Mercy Health System Corporation

  dba MHS Physician Services

  • Multi-Specialty Clinic/Center
  • Janesville, WI
  • NPI 1598718603
  Medicare reassignment Care Compare group NPD
• Mercy Health System Corporation

  dba Mercy Hospital Janesville

  • General Acute Care Hospital
  • Janesville, WI
  • NPI 1093768962
  NPD
• Mercy Health System Corporation

  dba Mercy Walworth Hospital and Medical Center

  • Critical Access Hospital
  • Lake Geneva, WI
  • NPI 1699728550
  NPD

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Agrace Hospicecare, Incorporated

  • Community Based Hospice Care Agency
  • Fitchburg, WI
  • NPI 1861503534
  Care Compare affiliation
• Mercy Assisted Care, Inc

  dba Mercy Health AtHome

  • Community Based Hospice Care Agency
  • Janesville, WI
  • NPI 1104971050
  Care Compare affiliation
• Mercy Assisted Care, Inc

  dba Mercy Health AtHome

  • Home Health Agency
  • Janesville, WI
  • NPI 1588719439
  Care Compare affiliation
• Mercy Health System Corporation

  dba Mercy Hospital Janesville

  • General Acute Care Hospital
  • Janesville, WI
  • NPI 1093768962
  Care Compare affiliation
• Mercy Health System Corporation

  dba Mercy Walworth Hospital and Medical Center

  • Critical Access Hospital
  • Lake Geneva, WI
  • NPI 1699728550
  Care Compare affiliation

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1407283200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1778544000000",
    "number": "1821407644",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "29624 NETWORK PL",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606731296",
            "telephone_number": "608-741-2430",
            "fax_number": "608-741-2428"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1000 MINERAL POINT AVE",
            "city": "JANESVILLE",
            "state": "WI",
            "postal_code": "535482982",
            "telephone_number": "608-756-6868"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "4 E. Clark Bass Blvd.",
            "address_2": "Suite 301A",
            "address_purpose": "LOCATION",
            "city": "McAlester",
            "state": "OK",
            "postal_code": "74501",
            "country_code": "US",
            "telephone_number": "918-421-6795",
            "fax_number": "918-421-6791",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "KINDERKNECHT",
        "first_name": "WILLIAM",
        "middle_name": "JOSEPH",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2014-08-06",
        "last_updated": "2026-05-12",
        "certification_date": "2026-05-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "204D00000X",
            "taxonomy_group": "",
            "desc": "Neuromusculoskeletal Medicine & OMM",
            "state": "WI",
            "license": "81522-21",
            "primary": false
        },
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "OK",
            "license": "5862",
            "primary": false
        },
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "WI",
            "license": "81522-21",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Kimberly May Kicera, PT
• Emily A Kieck, SLP
• Anne E Kilby, M.D.
• Hyung Joo Kim, MD
• Theresa M. Kind, BS,PT
• Noreen R King, MD
• James G. Kirschbaum, MD
• Lori A. Kisting, PTA
• Douglas D Kittleson, RPH
• Melissa L Klaeser, PT

• Family Medicine Physician in Janesville, WI
• Providers in Janesville, WI by specialty
• Family Medicine Physician in Wisconsin

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 12, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.