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Nurse Practitioner

Sarah J. Staff

Works at hospitals in Rhinelander, WI · Tomahawk, WI · Wausau, WI … · Wisconsin

Summary

Sarah J. Staff is a nurse practitioner at 201 Hospital Rd, Eagle River, WI 54521. Phone: (715) 479-7411. Accepts Medicare assignment. In 2024, Sarah J. Staff had 48 Original Medicare patients and 83 services. NPI 1881944858. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about Sarah J. Staff, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Sarah J. Staff accept Medicare assignment?
Yes. Medicare's clinician data says Sarah J. Staff accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Sarah J. Staff see?
In 2024, CMS data shows 48 Original Medicare patients and 83 services for Sarah J. Staff. This counts Original Medicare only and measures volume, not quality.
What is Sarah J. Staff's NPI number?
1881944858. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Sarah J. Staff, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients48
Services billed to Medicare83
Different services or procedures9
Participating Medicare providerYes
Average age of these patients79

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)31 services
  2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)26 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol75%
  • Arthritis52%
  • Chronic kidney disease46%
  • Heart failure46%
  • Anxiety44%

Hospitals where Sarah J. Staff works

Medicare's Facility Affiliation Data lists Sarah J. Staff at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

  • Aspirus Rhinelander HospitalRhinelander, WI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 520019
  • Aspirus Tomahawk HospitalTomahawk, WI · Critical Access Hospital · Emergency services: listed by Medicare · CCN 521313
  • Aspirus Wausau HospitalWausau, WI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 520030
  • Howard Young Medical CenterWoodruff, WI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 520091

Practice locations

Addresses where Sarah J. Staff is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 6; the Medicare profile lists all.

Group practices

Medicare enrollment lists Sarah J. Staff as a member of these groups (CMS data updated October 2, 2026).

  • Aspirus Rhinelander and Tomahawk Hospitals and Clinics, Inc.574 clinicians in the group
  • Aspirus Wausau Hospital Inc237 clinicians in the group
  • Howard Young Medical Center Inc of Woodruff Wisconsin56 clinicians in the group
  • Aspirus Eagle River Hospital and Clinics, Inc34 clinicians in the group

Specialties

Find other clinicians: Nurse Practitioner, Wisconsin →

Other nurse practitioners in Eagle River

Clinicians with the same Medicare primary specialty in Eagle River, WI — not a recommendation.

All nurse practitioners in Eagle River →

Other clinicians in Aspirus Rhinelander and Tomahawk Hospitals and Clinics, Inc.

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

Graduation year2012
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1881944858
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians