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Similar work.
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Compare the published Medicare service mix of Aaron Raphael Barnard Brandis, MD with clinicians in the same registry specialty: Diagnostic Radiology · Interventional Radiology (CMS).

AZ · Exact areaEdit location

2024 published service data · 66 eligible profiles compared. Similarity describes billing patterns, not quality, outcomes, or suitability for your care.

Ammar Moiyadi, M.D.

Diagnostic Radiology (CMS) · Scottsdale, AZ

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 1 view (71045)
  • X-ray of chest, 2 views (71046)
  • Ct scan head or brain without contrast (70450)
75%Service-mix similarityView profile →

Christopher A Porter, MD

Diagnostic Radiology · Interventional Radiology (CMS) · Kingman, AZ

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 1 view (71045)
  • X-ray of chest, 2 views (71046)
  • Ct scan head or brain without contrast (70450)
74%Service-mix similarityView profile →

Chase Campbell, M.D.

Diagnostic Radiology (CMS) · Scottsdale, AZ

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 1 view (71045)
  • X-ray of chest, 2 views (71046)
  • Ct scan head or brain without contrast (70450)
69%Service-mix similarityView profile →

Thomas R. Cain, M.D.

Diagnostic Radiology (CMS) · Tucson, AZ

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 1 view (71045)
  • X-ray of chest, 2 views (71046)
  • Ct scan of chest without contrast (71250)
67%Service-mix similarityView profile →

Mark Joseph Jorgensen, MD

Diagnostic Radiology · Interventional Radiology (CMS) · Scottsdale, AZ

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 1 view (71045)
  • X-ray of chest, 2 views (71046)
  • Ct scan head or brain without contrast (70450)
66%Service-mix similarityView profile →

Gavin Paul Slethaug, MD

Diagnostic Radiology · Interventional Radiology (CMS) · Scottsdale, AZ

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 1 view (71045)
  • X-ray of chest, 2 views (71046)
  • Ct scan head or brain without contrast (70450)
64%Service-mix similarityView profile →

Curtis Qin, M.D.

Diagnostic Radiology (CMS) · Phoenix, AZ

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 1 view (71045)
  • X-ray of chest, 2 views (71046)
  • Drainage of fluid from abdominal cavity using imaging guidance (49083)
64%Service-mix similarityView profile →

Kavi Raval, D.O

Internal Medicine (CMS) · Phoenix, AZ

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 1 view (71045)
  • X-ray of chest, 2 views (71046)
  • Ct scan head or brain without contrast (70450)
64%Service-mix similarityView profile →

Isael Perez, M.D.

Diagnostic Radiology (CMS) · Mesa, AZ

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 1 view (71045)
  • X-ray of chest, 2 views (71046)
  • Ct scan head or brain without contrast (70450)
64%Service-mix similarityView profile →

Nicholas Joseph Weisman, MD

Diagnostic Radiology (CMS) · Glendale, AZ

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 1 view (71045)
  • X-ray of chest, 2 views (71046)
  • Ct scan head or brain without contrast (70450)
63%Service-mix similarityView profile →

Christopher Thomas Harms, MD

Diagnostic Radiology · Interventional Radiology (CMS) · Tucson, AZ

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 1 view (71045)
  • X-ray of chest, 2 views (71046)
  • Ct scan head or brain without contrast (70450)
63%Service-mix similarityView profile →

Samuel Oats, MD

Diagnostic Radiology · Interventional Radiology (CMS) · Tucson, AZ

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 1 view (71045)
  • X-ray of chest, 2 views (71046)
  • Ct scan head or brain without contrast (70450)
63%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.