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Compare the published Medicare service mix of Justin Tholany, M.D. with clinicians in the same registry specialty: Diagnostic Radiology (CMS).

HOUSTON, TX · 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.

Dan Duy Nguyen, MD

Diagnostic Radiology (CMS) · Houston, TX

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 1 view (71045)
  • Nuclear medicine study from skull base to mid-thigh with ct scan (78815)
  • Ct scan head or brain without contrast (70450)
76%Service-mix similarityView profile →

Monica Andrea Gonzalez-Deluna, M.D.

Diagnostic Radiology (CMS) · Houston, TX

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 1 view (71045)
  • Nuclear medicine study from skull base to mid-thigh with ct scan (78815)
  • X-ray of chest, 2 views (71046)
73%Service-mix similarityView profile →

Robert C Matteson, M.D.

Specialty details in registry · Houston, TX

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 1 view (71045)
  • Ct scan head or brain without contrast (70450)
  • X-ray of chest, 2 views (71046)
72%Service-mix similarityView profile →

Thuan Vu, MD

Diagnostic Radiology (CMS) · Houston, TX

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 1 view (71045)
  • Nuclear medicine study from skull base to mid-thigh with ct scan (78815)
  • X-ray of chest, 2 views (71046)
72%Service-mix similarityView profile →

David Meredith Kerner, D.O.

Diagnostic Radiology (CMS) · Houston, TX

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 1 view (71045)
  • Ct scan head or brain without contrast (70450)
  • X-ray of chest, 2 views (71046)
71%Service-mix similarityView profile →

Elizabeth Mary Birkenfeld, M. D.

Diagnostic Radiology (CMS) · Houston, TX

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 1 view (71045)
  • Nuclear medicine study from skull base to mid-thigh with ct scan (78815)
  • Ct scan head or brain without contrast (70450)
70%Service-mix similarityView profile →

Edwin Rodriguez-Reyes, MD

Diagnostic Radiology (CMS) · Houston, TX

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 1 view (71045)
  • Nuclear medicine study from skull base to mid-thigh with ct scan (78815)
  • Ct scan head or brain without contrast (70450)
70%Service-mix similarityView profile →

Steven S Chua, MD PHD

Diagnostic Radiology (CMS) · Houston, TX

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 1 view (71045)
  • Ct scan head or brain without contrast (70450)
  • Imaging for evaluation of swallowing function (74230)
69%Service-mix similarityView profile →

Michael S Rodriguez, MD

Diagnostic Radiology (CMS) · Houston, TX

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

Hai N. Nguyen, M.D.

Diagnostic Radiology (CMS) · Houston, TX

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 1 view (71045)
  • Nuclear medicine study from skull base to mid-thigh with ct scan (78815)
  • Ct scan head or brain without contrast (70450)
67%Service-mix similarityView profile →

Seth H. Roberts, M.D.

Diagnostic Radiology (CMS) · Houston, TX

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 1 view (71045)
  • Ct scan head or brain without contrast (70450)
  • X-ray of chest, 2 views (71046)
67%Service-mix similarityView profile →

Chand Mathur, MD

Diagnostic Radiology (CMS) · Houston, TX

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)
66%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.