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Compare the published Medicare service mix of William Allison Barret, M.D. , M.S. with clinicians in the same registry specialty: Diagnostic Radiology · Interventional Radiology (CMS).

NASHVILLE, TN · Exact areaEdit location

2024 published service data · 12 eligible profiles compared. Similarity describes billing patterns, not quality, outcomes, or suitability for your care.

Christopher Noran Taylor, M.D.

Interventional Radiology (CMS) · Nashville, TN

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 1 view (71045)
  • X-ray of chest, 2 views (71046)
  • Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes (99152)
71%Service-mix similarityView profile →

Raj Chandravadan Bant, MD

Diagnostic Radiology · Interventional Radiology (CMS) · Nashville, TN

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 1 view (71045)
  • X-ray of chest, 2 views (71046)
  • Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes (99152)
69%Service-mix similarityView profile →

Michelle Campbell Luschen, MD

Diagnostic Radiology · Interventional Radiology (CMS) · Nashville, TN

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 abdomen and pelvis with contrast (74177)
61%Service-mix similarityView profile →

Robert Steven Young, MD

Diagnostic Radiology (CMS) · Nashville, TN

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 abdomen and pelvis with contrast (74177)
55%Service-mix similarityView profile →

Adonteng A. Kwakye, M.D.

Specialty details in registry · Nashville, TN

Shared published services
3 shared services · view billing descriptions
  • Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes (99152)
  • Review by radiologist of ct guidance for needle placement (77012)
  • Ultrasonic guidance for needle placement (76942)
39%Service-mix similarityView profile →

Filip Banovac, M.D.

Diagnostic Radiology · Interventional Radiology (CMS) · Nashville, TN

Shared published services
3 shared services · view billing descriptions
  • Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes (99152)
  • Review by radiologist of ct guidance for needle placement (77012)
  • Ultrasonic guidance for needle placement (76942)
38%Service-mix similarityView profile →

Meaghan Dendy Case, M.D.

Interventional Radiology (CMS) · Nashville, TN

Shared published services
3 shared services · view billing descriptions
  • Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes (99152)
  • Review by radiologist of ct guidance for needle placement (77012)
  • Ultrasonic guidance for needle placement (76942)
37%Service-mix similarityView profile →

Nicholas Voutsinas, MD, RPVI

Diagnostic Radiology · Interventional Radiology (CMS) · Nashville, TN

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 1 view (71045)
  • Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes (99152)
  • Ct scan of abdomen and pelvis with contrast (74177)
37%Service-mix similarityView profile →

Ryan David Muller, MD

Interventional Radiology (CMS) · Nashville, TN

Shared published services
3 shared services · view billing descriptions
  • Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes (99152)
  • Ultrasonic guidance for needle placement (76942)
  • Needle biopsy of liver through skin (47000)
37%Service-mix similarityView profile →

Andrew Marsala, M.D.

Interventional Radiology (CMS) · Nashville, TN

Shared published services
3 shared services · view billing descriptions
  • Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes (99152)
  • Review by radiologist of ct guidance for needle placement (77012)
  • Ultrasonic guidance for needle placement (76942)
33%Service-mix similarityView profile →

Samdeep Mouli, M.D.

Diagnostic Radiology · Interventional Radiology · Pediatric Medicine (CMS) · Nashville, TN

Shared published services
3 shared services · view billing descriptions
  • Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes (99152)
  • Review by radiologist of ct guidance for needle placement (77012)
  • Ultrasonic guidance for needle placement (76942)
31%Service-mix similarityView profile →

Steven Meranze, MD

Diagnostic Radiology · Interventional Radiology (CMS) · Nashville, TN

Shared published services
2 shared services · view billing descriptions
  • Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes (99152)
  • Fluoroscopic guidance for insertion or removal of central vein access device (77001)
29%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.