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Compare the published Medicare service mix of Charles E Johnson, MD with clinicians in the same registry specialty: Diagnostic Radiology (CMS).

AUSTIN, TX · Exact areaEdit location

2024 published service data · 88 eligible profiles compared. Similarity describes billing patterns, not quality, outcomes, or suitability for your care.

Hillel Ben-Avi, MD

Diagnostic Radiology (CMS) · Austin, TX

Shared published services
3 shared services · view billing descriptions
  • Ultrasound study of one arm or leg veins with compression and maneuvers (93971)
  • Ct scan of abdomen and pelvis with contrast (74177)
  • Ultrasound of both sides of head and neck blood flow (93880)
71%Service-mix similarityView profile →

John Manning, MD

Diagnostic Radiology (CMS) · Austin, TX

Shared published services
3 shared services · view billing descriptions
  • Ultrasound study of one arm or leg veins with compression and maneuvers (93971)
  • Ct scan of abdomen and pelvis with contrast (74177)
  • Ultrasound of both sides of head and neck blood flow (93880)
67%Service-mix similarityView profile →

Jason C Naples, MD

Diagnostic Radiology (CMS) · Austin, TX

Shared published services
3 shared services · view billing descriptions
  • Ultrasound study of one arm or leg veins with compression and maneuvers (93971)
  • Ct scan of abdomen and pelvis with contrast (74177)
  • Ct scan of abdomen and pelvis without contrast (74176)
64%Service-mix similarityView profile →

Jason R. Wallace, M.D.

Diagnostic Radiology (CMS) · Austin, TX

Shared published services
3 shared services · view billing descriptions
  • Ultrasound study of one arm or leg veins with compression and maneuvers (93971)
  • Ct scan of abdomen and pelvis with contrast (74177)
  • Ultrasound of both sides of head and neck blood flow (93880)
62%Service-mix similarityView profile →

Rainer N. Poley, M.D.

Diagnostic Radiology (CMS) · Austin, TX

Shared published services
3 shared services · view billing descriptions
  • Ultrasound study of one arm or leg veins with compression and maneuvers (93971)
  • Ct scan of abdomen and pelvis with contrast (74177)
  • Ultrasound of both sides of head and neck blood flow (93880)
61%Service-mix similarityView profile →

Ashkan Shademan, M.D.

Diagnostic Radiology (CMS) · Austin, TX

Shared published services
3 shared services · view billing descriptions
  • Ultrasound study of one arm or leg veins with compression and maneuvers (93971)
  • Ct scan of abdomen and pelvis with contrast (74177)
  • Complete ultrasound scan of abdomen (76700)
61%Service-mix similarityView profile →

Jody J Hooten, MD

Diagnostic Radiology (CMS) · Austin, TX

Shared published services
3 shared services · view billing descriptions
  • Ultrasound study of one arm or leg veins with compression and maneuvers (93971)
  • Ct scan of abdomen and pelvis with contrast (74177)
  • Ultrasound of both sides of head and neck blood flow (93880)
61%Service-mix similarityView profile →

Seth D. O'brien, M.D.

Diagnostic Radiology (CMS) · Austin, TX

Shared published services
3 shared services · view billing descriptions
  • Ultrasound study of one arm or leg veins with compression and maneuvers (93971)
  • Ct scan of abdomen and pelvis with contrast (74177)
  • Ct scan of abdomen and pelvis without contrast (74176)
60%Service-mix similarityView profile →

Elizabeth Moorehead, MD

Diagnostic Radiology (CMS) · Austin, TX

Shared published services
3 shared services · view billing descriptions
  • Ultrasound study of one arm or leg veins with compression and maneuvers (93971)
  • Ct scan of abdomen and pelvis with contrast (74177)
  • Ultrasound of both sides of head and neck blood flow (93880)
60%Service-mix similarityView profile →

James P. Willis, M.D.

Diagnostic Radiology (CMS) · Austin, TX

Shared published services
3 shared services · view billing descriptions
  • Ultrasound study of one arm or leg veins with compression and maneuvers (93971)
  • Ct scan of abdomen and pelvis with contrast (74177)
  • Ultrasound of both sides of head and neck blood flow (93880)
60%Service-mix similarityView profile →

Ian D/ Baronofsky, M.D.

Diagnostic Radiology (CMS) · Austin, TX

Shared published services
3 shared services · view billing descriptions
  • Ultrasound study of one arm or leg veins with compression and maneuvers (93971)
  • Ct scan of abdomen and pelvis with contrast (74177)
  • Ct scan of abdomen and pelvis without contrast (74176)
59%Service-mix similarityView profile →

Marouane R. Bouchareb, M.D.

Diagnostic Radiology (CMS) · Austin, TX

Shared published services
3 shared services · view billing descriptions
  • Ultrasound study of one arm or leg veins with compression and maneuvers (93971)
  • Ct scan of abdomen and pelvis with contrast (74177)
  • Ultrasound of both sides of head and neck blood flow (93880)
59%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.