NPIMap

Individual provider Active NPI

William H Johnston, MD

  • Family Medicine Physician
  • Mosinee, WI
National Provider Identifier
1427017789
Registry record updated Jul 8, 2007
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Medicine PhysicianTaxonomy code 207Q00000X
License
48123 Issued in WI
Practice address
1881 Highway XX
Mosinee, WI 54455
Phone
(715) 355-4040
NPI assigned
Mar 23, 2006
Last updated
Jul 8, 2007By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 8, 2007

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Family Medicine Physician 207Q00000X 48123 WI Primary

Addresses

Primary practice location

1881 Highway XX
Mosinee, WI 54455

Mailing address

3000 Westhill Dr
Suite 303
Wausau, WI 54401-3795
Phone (715) 847-2304

Other identifiers 1

IdentifierTypeStateIssuer
34869200MedicaidWI

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in WI, MN2 enrollments
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20060817000631 WI Practitioner - Family Practice 3577566223 Reassigns benefits to 4 organizations
I20260430002224 MN Practitioner - Family Practice 3577566223 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Family Practice
Education
University of California, Davis School of Medicine, 2003
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Aspirus Medical Group, Inc.Group PAC ID 1052223625, 272 clinicians

Practice addresses (Care Compare)

4005 Community Ctr Dr
Weston, WI 54476-4139
Phone (715) 241-5400

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
87.53 of 100Reported as group
Quality
77.62
Promoting interoperability
100
Improvement activities
40
Cost
78.08

Procedures performed for Medicare patients

ProcedureNumber of procedures
Removal of skin lesions1-10
Removal or shaving of skin growth1-10

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

Practice roles

OrganizationSpecialtyStatusNew patients
Aspirus Wausau Hospital, Inc. CurrentSince Nov 26, 2022 Accepting new patients
Aspirus Wausau Hospital, Inc. CurrentSince Nov 26, 2022 Accepting new patients
Langlade Hospital - Hotel Dieu of St. Joseph of Antigo Wisconsin CurrentSince Jul 9, 2025 Accepting new patients
Aspirus Medical Group, Inc. Current Accepting new patients
Aspirus Medical Group, Inc. CurrentSince Jul 9, 2025 Accepting new patients
Aspirus Medical Group, Inc. CurrentSince Aug 1, 2006 Accepting new patients
Langlade Hospital - Hotel Dieu of St Joseph of Antigo Wisconsin Family Medicine Current Accepting new patients
Aspirus Wausau Hospital, Inc. Current Accepting new patients
Aspirus Medical Group, Inc. CurrentSince Aug 1, 2006 Accepting new patients
Aspirus Medical Group, Inc. Past Accepting new patients
Aspirus Medical Group, Inc. Family Medicine Past Accepting new patients
Aspirus Medical Group, Inc. Past Accepting new patients

Locations

29980 Network Pl
Chicago, IL 60673

N10561 Grandview Ln
Ironwood, MI 49938
Phone (906) 932-1500

N10565 Grandview Ln
Ironwood, MI 49938
Phone (906) 932-1500

112 E 5th Ave
Antigo, WI 54409
Phone (715) 623-2331

333 Pine Ridge Blvd
Wausau, WI 54401
Phone (715) 847-2160

333 Pine Ridge Blvd
Ste 185
Wausau, WI 54401
Phone (715) 847-0477

4005 Community Center Dr
Weston, WI 54476
Phone (715) 241-5400

Organizations & group practices 14

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.

View all 14

Hospital & facility affiliations 29

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

View all 29

NPI Registry JSON

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

{
    "created_epoch": "1143072000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1183852800000",
    "number": "1427017789",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3000 WESTHILL DR",
            "address_2": "SUITE 303",
            "city": "WAUSAU",
            "state": "WI",
            "postal_code": "544013795",
            "telephone_number": "715-847-2304"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1881 HIGHWAY XX",
            "city": "MOSINEE",
            "state": "WI",
            "postal_code": "54455",
            "telephone_number": "715-355-4040"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "JOHNSTON",
        "first_name": "WILLIAM",
        "middle_name": "H",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-03-23",
        "last_updated": "2007-07-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "WI",
            "license": "48123",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "34869200",
            "state": "WI"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Mosinee, WI

Sources for this page

Verify at the official NPI Registry.