Individual provider Active NPI

Anne M Ivaska, APNP

  • Nurse Practitioner
  • Wausau, WI
National Provider Identifier
1801147293
Registry record updated Jan 6, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Nurse PractitionerTaxonomy code 363L00000X
License
5041-033 Issued in WI
Practice address
505 S 24TH Ave Ste 204
Wausau, WI 54401-1706
Phone
(715) 240-4150
NPI assigned
Sep 25, 2012
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jan 6, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Nurse Practitioner 363L00000X 5041-033 WI Primary

Addresses

Primary practice location

505 S 24TH Ave Ste 204
Wausau, WI 54401-1706

Mailing address

505 S 24TH Ave Ste 204
Wausau, WI 54401-1706
Phone (715) 240-4150

Other practice location 1

2633 N Clairemont Ave
Eau Claire, WI 54703-2405
Phone (715) 240-4150 ext. 00380

Other practice location 2

7704 Terrace Ave Ste 1
Middleton, WI 53562-3122
Phone (715) 240-4150 ext. 00380

Other names 1

  • Anne M Twerberg Former name

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file
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.
Opted out of Medicare
Yes, effective May 18, 2023 through May 18, 2027

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
5041-033WIMDNurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Elite Male T Clinic, LLC Dba Elite Hormones Past Accepting new patients

Organizations & group practices 1

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.

NPI Registry JSON

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

{
    "created_epoch": "1348531200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1767657600000",
    "number": "1801147293",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "505 S 24TH AVE STE 204",
            "city": "WAUSAU",
            "state": "WI",
            "postal_code": "544011706",
            "telephone_number": "715-240-4150"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "505 S 24TH AVE STE 204",
            "city": "WAUSAU",
            "state": "WI",
            "postal_code": "544011706",
            "telephone_number": "715-240-4150"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2633 N Clairemont Ave",
            "address_purpose": "LOCATION",
            "city": "Eau Claire",
            "state": "WI",
            "postal_code": "547032405",
            "country_code": "US",
            "telephone_number": "715-240-4150 x00380",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "7704 Terrace Ave Ste 1",
            "address_purpose": "LOCATION",
            "city": "Middleton",
            "state": "WI",
            "postal_code": "535623122",
            "country_code": "US",
            "telephone_number": "715-240-4150 x00380",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "IVASKA",
        "first_name": "ANNE",
        "middle_name": "M",
        "credential": "APNP",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2012-09-25",
        "last_updated": "2026-01-06",
        "certification_date": "2026-01-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "WI",
            "license": "5041-033",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "ANNE",
            "last_name": "TWERBERG",
            "middle_name": "M",
            "credential": "NP",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Wausau, WI

Sources for this page

Verify at the official NPI Registry.