Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Nurse Practitioner

Susan M. Olszewski

Works at hospitals in Oshkosh, WI · Wisconsin

Summary

Susan M. Olszewski is a nurse practitioner at 210 Wisconsin American Dr, Fond Du Lac, WI 54937. Phone: (920) 907-4800. Accepts Medicare assignment. In 2024, Susan M. Olszewski had 119 Original Medicare patients and 308 services. NPI 1568693828. 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 Susan M. Olszewski, 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 Susan M. Olszewski accept Medicare assignment?
Yes. Medicare's clinician data says Susan M. Olszewski 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 Susan M. Olszewski see?
In 2024, CMS data shows 119 Original Medicare patients and 308 services for Susan M. Olszewski. This counts Original Medicare only and measures volume, not quality.
What is Susan M. Olszewski's NPI number?
1568693828. 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 Susan M. Olszewski, 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 patients119
Services billed to Medicare308
Different services or procedures20
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)153 services
  2. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)47 services
  3. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)21 services
  4. Administration of influenza virus vaccine (G0008)16 services
  5. Influenza vaccine split virus, preservative free (90662)15 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 cholesterol66%
  • Arthritis41%
  • Chronic kidney disease34%
  • Diabetes31%
  • Ischemic heart disease30%

Hospitals where Susan M. Olszewski works

Medicare's Facility Affiliation Data lists Susan M. Olszewski 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.

  • Aurora Medical Center OshkoshOshkosh, WI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 520198

Practice locations

Addresses where Susan M. Olszewski is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Susan M. Olszewski as a member of this group (CMS data updated October 2, 2026).

  • Aurora Medical Group, Inc.3,813 clinicians in the group

Specialties

Find other clinicians: Nurse Practitioner, Wisconsin →

Other nurse practitioners in Fond Du Lac

Clinicians with the same Medicare primary specialty in Fond Du Lac, WI — not a recommendation.

All nurse practitioners in Fond Du Lac →

Other clinicians in Aurora Medical Group, Inc.

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

Clinician information

Graduation year2009
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1568693828
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