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Compare the published Medicare service mix of William E Wallace, DO with clinicians in the same registry specialty: Specialty details in registry.

TX · Exact areaEdit location

2024 published service data · 252 eligible profiles compared. Similarity describes billing patterns, not quality, outcomes, or suitability for your care.

Matthias Peltz, MD

Cardiac Surgery · Thoracic Surgery (CMS) · Dallas, TX

Shared published services
1 shared services · view billing descriptions
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)
66%Service-mix similarityView profile →

Jaime Luis Roman-Pavajeau, M.D.

Cardiac Surgery · General Surgery · Thoracic Surgery · Vascular Surgery (CMS) · Katy, TX

Shared published services
2 shared services · view billing descriptions
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)
57%Service-mix similarityView profile →

Michail Magarakis, M.D.

Thoracic Surgery (CMS) · Corpus Christi, TX

Shared published services
2 shared services · view billing descriptions
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)
  • Critical care, first 30-74 minutes (99291)
56%Service-mix similarityView profile →

Mark R Bielefeld, MD

Cardiac Surgery · Thoracic Surgery · Vascular Surgery (CMS) · Corpus Christi, TX

Shared published services
2 shared services · view billing descriptions
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)
  • Critical care, first 30-74 minutes (99291)
51%Service-mix similarityView profile →

Iyad K Radwan, M.D.

Critical Care (Intensivists) · General Practice · Thoracic Surgery (CMS) · Katy, TX

Shared published services
2 shared services · view billing descriptions
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)
49%Service-mix similarityView profile →

J Mark Morales, M.D.

Thoracic Surgery · Vascular Surgery (CMS) · Corpus Christi, TX

Shared published services
2 shared services · view billing descriptions
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)
  • Critical care, first 30-74 minutes (99291)
46%Service-mix similarityView profile →

Keshava Rajagopal, MD PHD

Cardiac Surgery · Thoracic Surgery (CMS) · Houston, TX

Shared published services
1 shared services · view billing descriptions
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)
46%Service-mix similarityView profile →

Derek Edwin Williams, MD

Thoracic Surgery (CMS) · Richardson, TX

Shared published services
2 shared services · view billing descriptions
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)
45%Service-mix similarityView profile →

Warren Naselsky, MD, MS

Thoracic Surgery (CMS) · Houston, TX

Shared published services
1 shared services · view billing descriptions
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)
43%Service-mix similarityView profile →

Jaye Alexander Weston

Thoracic Surgery (CMS) · Dallas, TX

Shared published services
1 shared services · view billing descriptions
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)
42%Service-mix similarityView profile →

David Benjamin Nelson, M.D.

Thoracic Surgery (CMS) · Dallas, TX

Shared published services
1 shared services · view billing descriptions
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)
40%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.