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Diagnostic Radiology

Susan R. Oneson, MD

Sees patients in Mequon, WI · New Berlin, WI · Hartford, WI … · Wisconsin

Summary

Dr. Susan R. Oneson, MD is a radiologist at 12203 N Corporate Pkwy, Mequon, WI 53092. Phone: (262) 827-2955. Accepts Medicare assignment. In 2024, Susan R. Oneson had 839 Original Medicare patients and 2,443 services. NPI 1538199690. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Radiologist (Medicare lists Diagnostic Radiology)
  • Address: 12203 N Corporate Pkwy, Mequon, WI 53092 · Directions (12 more locations)
  • Phone: (262) 827‑2955
  • Medicare: Accepts Medicare assignment
  • Group practice: Aurora Medical Group, Inc. (+2 more)
  • Medical school: University Of Wisconsin School Of Medicine · graduated 1988 (38 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Susan R. Oneson, 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 R. Oneson accept Medicare assignment?
Yes. Medicare's clinician data says Susan R. Oneson 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 R. Oneson see?
In 2024, CMS data shows 839 Original Medicare patients and 2,443 services for Susan R. Oneson. This counts Original Medicare only and measures volume, not quality.
What is Susan R. Oneson's NPI number?
1538199690. 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 R. Oneson, 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 patients839
Services billed to Medicare2,443
Different services or procedures62
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. Screening 3d breast mammography (77063)278 services
  2. Screening mammography (77067)278 services
  3. Low dose ct scan of chest for lung cancer screening (71271)100 services
  4. Diagnostic digital breast tomosynthesis, unilateral or bilateral (list separately in addition to 77065 or 77066) (G0279)57 services
  5. X-ray of foot, minimum of 3 views (73630)51 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 cholesterol74%
  • High blood pressure69%
  • Arthritis55%
  • Diabetes25%
  • Ischemic heart disease25%
  • Chronic kidney disease23%

Practice locations

Addresses where Susan R. Oneson is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 13; the Medicare profile lists all.

Group practices

Medicare enrollment lists Susan R. Oneson as a member of these groups (CMS data updated October 2, 2026).

  • Aurora Medical Group, Inc.3,813 clinicians in the group
  • Aurora Advanced Healthcare, Inc.1,124 clinicians in the group
  • Lakeshore Medical Clinic LLC379 clinicians in the group

Specialties

Find other Diagnostic Radiology doctors in Wisconsin →

Other radiologists in Mequon

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

All radiologists in Mequon →

Other clinicians in Aurora Medical Group, Inc.

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

Clinician information

CredentialMD
Medical schoolUniversity Of Wisconsin School Of Medicine
Graduation year1988 (38 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1538199690
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians