Individual provider Active NPI

Diane Sue Wilken, FNP-C

  • Nurse Practitioner
  • Eau Claire, WI
National Provider Identifier
1245802032
Registry record updated Feb 4, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Nurse PractitionerTaxonomy code 363L00000X
License
11077-33 Issued in WI
Practice address
733 W Clairemont Ave
Eau Claire, WI 54701-6117
Phone
(715) 838-5340
NPI assigned
Jul 12, 2021
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Feb 4, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Nurse Practitioner 363L00000X 11077-33 WI Primary
Family Nurse Practitioner 363LF0000X 11077-33 WI

Addresses

Primary practice location

733 W Clairemont Ave
Eau Claire, WI 54701-6117

Mailing address

200 1St St SW
Rochester, MN 55905-0002
Phone (715) 838-5222

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in WI, SD2 enrollments
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: No
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20210812001820 WI Practitioner - Nurse Practitioner 5193129146 Reassigns benefits to 2 organizations
I20250909004842 SD Practitioner - Nurse Practitioner 5193129146 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2021
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Monument Health Network IncGroup PAC ID 5991616427, shared by 12 NPIs, 163 clinicians

Practice addresses (Care Compare)

1220 Montgomery St
Custer, SD 57730-1705
Phone (605) 673-4150

Hospital & facility affiliations

  • Monument Health Custer Hospital Hospital, Custer, SD, CCN 431323

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Nurse Practitioner

State licenses

LicenseStateTypeSpecialty
11077-33WIMDNurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Monument Health Network, Inc. CurrentSince Jul 10, 2025 Accepting new patients
Monument Health Network, Inc. Current Accepting new patients
Monument Health Network, Inc CurrentSince Jul 10, 2025 Accepting new patients
Mayo Clinic Health System-Northwest Wisconsin Region, Inc. CurrentSince Jul 21, 2021 Accepting new patients
Mayo Clinic Health System-Northwest Wisconsin Region, Inc. Current Accepting new patients
Monument Health Network, Inc. CurrentSince Jul 22, 2025 Accepting new patients
Mayo Clinic Health System-Northwest Wisconsin Region, Inc. Current Accepting new patients
Mayo Clinic Health System-Northwest Wisconsin Region, Inc. CurrentSince Jul 21, 2021 Accepting new patients
Queen City Regional Medical Clinic Past Accepting new patients

Locations

200 1st St SW
Rochester, MN 55905
Phone (507) 266-4850

1220 Montgomery St
Custer, SD 57730
Phone (605) 673-4150

353 Fairmont Blvd
Rapid City, SD 57701
Phone (605) 719-1000

1440 N Main St
Spearfish, SD 57783
Phone (605) 644-4000

1501 Thompson St
Bloomer, WI 54724
Phone (715) 568-2000

733 W Clairemont Ave
Eau Claire, WI 54701
Phone (715) 838-3806

13025 8th St
Osseo, WI 54758
Phone (715) 597-2575

Organizations & group practices 9

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

Hospital & facility affiliations 2

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

NPI Registry JSON

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

{
    "created_epoch": "1626048000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1770163200000",
    "number": "1245802032",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "200 1ST ST SW",
            "city": "ROCHESTER",
            "state": "MN",
            "postal_code": "559050002",
            "telephone_number": "715-838-5222"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "733 W CLAIREMONT AVE",
            "city": "EAU CLAIRE",
            "state": "WI",
            "postal_code": "547016117",
            "telephone_number": "715-838-5340"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WILKEN",
        "first_name": "DIANE",
        "middle_name": "SUE",
        "credential": "FNP-C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2021-07-12",
        "last_updated": "2026-02-04",
        "certification_date": "2026-02-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "WI",
            "license": "11077-33",
            "primary": true
        },
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "WI",
            "license": "11077-33",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Eau Claire, WI

Sources for this page

Verify at the official NPI Registry.