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ANNE M IVASKA APNP
NPI 1801147293
Nurse Practitioner in Wausau, WI

Active since September 25, 2012Opted out of Medicare · through May 18, 2027
505 S 24TH AVE STE 204, WAUSAU, WI 54401(715) 240-4150 Get Directions Write a Review

NPPES record last updated: January 6, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jan 6, 2026, May 15, 2018 (2 updates tracked since 2018).

About Anne M Ivaska Apnp NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ANNE M IVASKA APNP (NPI 1801147293) is an individual nurse practitioner in Wausau, Wisconsin, licensed in Wisconsin (5041-033) and active in the NPI registry since September 2012. She has opted out of Medicare through May 18, 2027 and remains eligible to order and refer and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1801147293
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameANNE M IVASKACredential: APNP
Location Address505 S 24TH AVE STE 204Wausau, WI 54401-1706
Mailing Address505 S 24th Ave Ste 204Wausau, WI 54401-1706 · (715) 240-4150
Phone(715) 240-4150
Sole ProprietorYes
Enumeration DateSeptember 25, 2012
Last NPPES UpdateJanuary 6, 20262 updates tracked since enumeration
NPPES CertifiedJanuary 6, 2026
✔ NPI 1801147293 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License✔ Licensed in WI · 5041-033
Definition
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
505 S 24TH AVE STE 204, Wausau, WI 54401
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Other Names 1

Former Name (1)Anne M Twerberg Np

Secondary Practice Locations 2

Location 12633 N Clairemont AveEau Claire, WI 54703-2405 · Phone (715) 240-4150 ext. 00380
Location 27704 Terrace Ave Ste 1Middleton, WI 53562-3122 · Phone (715) 240-4150 ext. 00380

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Anne M Ivaska Apnp has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from May 18, 2023 through May 18, 2027.

Opt-Out Effective DateMay 18, 2023
Opt-Out In Effect ThroughMay 18, 2027Opt-out affidavits renew automatically every two years unless cancelled
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 54401 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$82.92 typical visit price
range $53.90 – $163.24
Typical copayment $20.73 (range $13.47 – $40.81)
Most-billed visit code 99203
Established Patient
$95.41 typical visit price
range $17.40 – $133.76
Typical copayment $23.85 (range $4.35 – $33.44)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ELITE MALE T CLINIC, LLC DBA ELITE HORMONES
Integrative Medicine
505 S 24TH AVE STE 204
WAUSAU, WI 54401
Marathon County (715) 240-4150

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Anne Ivaska's NPI number?

The NPI number for Anne Ivaska is 1801147293. It was assigned to this individual provider in the NPPES registry on September 25, 2012. The provider is also known as Anne M Twerberg Np.

Where is Anne Ivaska located?

Anne Ivaska practices at 505 S 24th Ave Ste 204, Wausau, WI 54401. The listed phone number is (715) 240-4150.

What is Anne Ivaska's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Anne Ivaska enrolled in Medicare?

No. Anne Ivaska has opted out of Medicare through May 18, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

When was this NPI record last updated?

The NPPES record for Anne Ivaska was last updated on January 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.