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Compare the published Medicare service mix of Charles Grady Stepherson, DO with clinicians in the same registry specialty: Diagnostic Radiology · Nuclear Medicine (CMS).

WI · Exact areaEdit location

2024 published service data · 500 eligible profiles compared. This search reached its 500-profile comparison limit, using NPI order. Narrow the location for a more focused comparison. Similarity describes billing patterns, not quality, outcomes, or suitability for your care.

Perry Leroy Kyser, MD

Specialty details in registry · Eau Claire, WI

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 2 views (71046)
  • X-ray of chest, 1 view (71045)
  • X-ray of hip, 2-3 views (73502)
74%Service-mix similarityView profile →

Robert Kenneth Bour, M.D.

Diagnostic Radiology (CMS) · Madison, WI

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 2 views (71046)
  • X-ray of chest, 1 view (71045)
  • X-ray of hip, 2-3 views (73502)
71%Service-mix similarityView profile →

Bora Ozel, M D

Diagnostic Radiology (CMS) · Madison, WI

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 2 views (71046)
  • X-ray of chest, 1 view (71045)
  • X-ray of hip, 2-3 views (73502)
70%Service-mix similarityView profile →

Jonathan J Uy, MD

Diagnostic Radiology (CMS) · La Crosse, WI

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 2 views (71046)
  • X-ray of chest, 1 view (71045)
  • X-ray of hip, 2-3 views (73502)
70%Service-mix similarityView profile →

Steven Michael Gryniewicz, M.D.

Diagnostic Radiology (CMS) · Milwaukee, WI

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 2 views (71046)
  • X-ray of chest, 1 view (71045)
  • X-ray of hip, 2-3 views (73502)
70%Service-mix similarityView profile →

Christopher Canitz, MD

Diagnostic Radiology (CMS) · Brookfield, WI

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 2 views (71046)
  • X-ray of chest, 1 view (71045)
  • X-ray of hip, 2-3 views (73502)
69%Service-mix similarityView profile →

Peter J Chase, MD

Diagnostic Radiology (CMS) · Madison, WI

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 2 views (71046)
  • X-ray of chest, 1 view (71045)
  • X-ray of hip, 2-3 views (73502)
69%Service-mix similarityView profile →

Robert G Wells, MD

Diagnostic Radiology (CMS) · Milwaukee, WI

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 2 views (71046)
  • X-ray of chest, 1 view (71045)
  • X-ray of shoulder, minimum of 2 views (73030)
69%Service-mix similarityView profile →

Sara L Madsen, DO

Diagnostic Radiology (CMS) · Milwaukee, WI

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 2 views (71046)
  • X-ray of chest, 1 view (71045)
  • X-ray of hip, 2-3 views (73502)
69%Service-mix similarityView profile →

Roger Axtell, M.D.

Diagnostic Radiology (CMS) · New Berlin, WI

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 2 views (71046)
  • X-ray of chest, 1 view (71045)
  • X-ray of hip, 2-3 views (73502)
69%Service-mix similarityView profile →

Murray Sean Donovan, M.D.

Diagnostic Radiology (CMS) · La Crosse, WI

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 2 views (71046)
  • X-ray of chest, 1 view (71045)
  • X-ray of hip, 2-3 views (73502)
69%Service-mix similarityView profile →

Nicholas G Stephani, MD

Diagnostic Radiology (CMS) · Two Rivers, WI

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 2 views (71046)
  • X-ray of chest, 1 view (71045)
  • X-ray of hip, 2-3 views (73502)
69%Service-mix similarityView profile →
How this comparison works

We use the same calendar year of CMS Medicare Physician & Other Practitioners data for both providers. Published non-drug service counts are combined by HCPCS code across places of service. We apply log(1 + count), normalize the vectors, and compare them using cosine similarity.

Candidates share the reference provider’s current NPPES primary taxonomy and match the location you enter. We examine up to 500 candidates in NPI order, then show up to 12 with the highest positive similarity within that set. The score is not a percentile, medical recommendation, or prediction. Suppressed services are not estimated. Medicare fee-for-service data does not describe a provider’s entire practice.

Source: CMS Medicare Physician & Other Practitioners - by Provider and Service : 2024-12-01 · Published May 21, 2026.