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Similar work.
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Compare the published Medicare service mix of James Chung-Ming Tsai, MD with clinicians in the same registry specialty: Diagnostic Radiology (CMS).

PORTLAND, OR · Exact areaEdit location

2024 published service data · 136 eligible profiles compared. Similarity describes billing patterns, not quality, outcomes, or suitability for your care.

Charles Lawrence Croteau, D.O.

Diagnostic Radiology (CMS) · Portland, OR

Shared published services
3 shared services · view billing descriptions
  • Ct scan head or brain without contrast (70450)
  • X-ray of chest, 1 view (71045)
  • Mri scan of brain before and after contrast (70553)
94%Service-mix similarityView profile →

Richard Koesel, MD

Diagnostic Radiology (CMS) · Portland, OR

Shared published services
3 shared services · view billing descriptions
  • Ct scan head or brain without contrast (70450)
  • X-ray of chest, 1 view (71045)
  • Mri scan of brain before and after contrast (70553)
92%Service-mix similarityView profile →

Stephen James Tang, M.D.

Diagnostic Radiology · Interventional Radiology (CMS) · Portland, OR

Shared published services
3 shared services · view billing descriptions
  • Ct scan head or brain without contrast (70450)
  • X-ray of chest, 1 view (71045)
  • Mri scan of brain before and after contrast (70553)
85%Service-mix similarityView profile →

Sarah R Rogers, MD

Diagnostic Radiology (CMS) · Portland, OR

Shared published services
3 shared services · view billing descriptions
  • Ct scan head or brain without contrast (70450)
  • X-ray of chest, 1 view (71045)
  • Mri scan of brain before and after contrast (70553)
84%Service-mix similarityView profile →

Ben E Jacobson, M.D.

Diagnostic Radiology (CMS) · Portland, OR

Shared published services
3 shared services · view billing descriptions
  • Ct scan head or brain without contrast (70450)
  • X-ray of chest, 1 view (71045)
  • Mri scan of brain before and after contrast (70553)
82%Service-mix similarityView profile →

Jeffrey Robert Cagley, MD

Diagnostic Radiology (CMS) · Portland, OR

Shared published services
3 shared services · view billing descriptions
  • Ct scan head or brain without contrast (70450)
  • X-ray of chest, 1 view (71045)
  • Mri scan of brain before and after contrast (70553)
82%Service-mix similarityView profile →

Joao Prola Netto, M.D.

Diagnostic Radiology · Interventional Radiology (CMS) · Portland, OR

Shared published services
3 shared services · view billing descriptions
  • Ct scan head or brain without contrast (70450)
  • X-ray of chest, 1 view (71045)
  • Mri scan of brain before and after contrast (70553)
82%Service-mix similarityView profile →

David Alan Biermann, M.D., PHD

Diagnostic Radiology (CMS) · Portland, OR

Shared published services
3 shared services · view billing descriptions
  • Ct scan head or brain without contrast (70450)
  • X-ray of chest, 1 view (71045)
  • Mri scan of brain before and after contrast (70553)
79%Service-mix similarityView profile →

Thomas Gibson, MD

Diagnostic Radiology (CMS) · Portland, OR

Shared published services
3 shared services · view billing descriptions
  • Ct scan head or brain without contrast (70450)
  • X-ray of chest, 1 view (71045)
  • Mri scan of brain before and after contrast (70553)
77%Service-mix similarityView profile →

Mikhail L Nekhline, MD

Diagnostic Radiology (CMS) · Portland, OR

Shared published services
3 shared services · view billing descriptions
  • Ct scan head or brain without contrast (70450)
  • X-ray of chest, 1 view (71045)
  • Mri scan of brain before and after contrast (70553)
77%Service-mix similarityView profile →

Justin Laplante, M.D.

Diagnostic Radiology (CMS) · Portland, OR

Shared published services
3 shared services · view billing descriptions
  • Ct scan head or brain without contrast (70450)
  • X-ray of chest, 1 view (71045)
  • Mri scan of brain before and after contrast (70553)
76%Service-mix similarityView profile →

David P Ciaverella, DO

Diagnostic Radiology (CMS) · Portland, OR

Shared published services
3 shared services · view billing descriptions
  • Ct scan head or brain without contrast (70450)
  • X-ray of chest, 1 view (71045)
  • Mri scan of brain before and after contrast (70553)
76%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.