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Similar work.
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Compare the published Medicare service mix of James Patrick Ryan, MD with clinicians in the same registry specialty: Anesthesiology.

GALVESTON, TX · Exact areaEdit location

2024 published service data · 42 eligible profiles compared. Similarity describes billing patterns, not quality, outcomes, or suitability for your care.

Leonard V. Trapani, M.D.

Anesthesiology · Galveston, TX

Shared published services
3 shared services · view billing descriptions
  • Anesthesia for other procedure on large bowel using an endoscope (00811)
  • Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)
  • Anesthesia for exam of colon using an endoscope (00812)
64%Service-mix similarityView profile →

Dmitry Portnoy, MD

Anesthesiology · Galveston, TX

Shared published services
3 shared services · view billing descriptions
  • Anesthesia for other procedure on large bowel using an endoscope (00811)
  • Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)
  • Anesthesia for exam of colon using an endoscope (00812)
63%Service-mix similarityView profile →

Patrick Musau, M.D

Anesthesiology · Galveston, TX

Shared published services
3 shared services · view billing descriptions
  • Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)
  • Anesthesia for exam of colon using an endoscope (00812)
  • Anesthesia for procedure on small and large bowel using an endoscope (00813)
55%Service-mix similarityView profile →

Dennis Wayne Gray, D.O.

Anesthesiology · Galveston, TX

Shared published services
2 shared services · view billing descriptions
  • Anesthesia for other procedure on large bowel using an endoscope (00811)
  • Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)
53%Service-mix similarityView profile →

Melanie Witte Hayzlett, MD

Anesthesiology · Galveston, TX

Shared published services
2 shared services · view billing descriptions
  • Anesthesia for other procedure on large bowel using an endoscope (00811)
  • Insertion of artery tube for blood sampling or infusion through skin (36620)
50%Service-mix similarityView profile →

Elizabeth Champion, M.D.

Anesthesiology · Galveston, TX

Shared published services
3 shared services · view billing descriptions
  • Anesthesia for other procedure on large bowel using an endoscope (00811)
  • Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)
  • Anesthesia for procedure on small and large bowel using an endoscope (00813)
48%Service-mix similarityView profile →

Darren Clint Samples, M.D.

Anesthesiology · Galveston, TX

Shared published services
2 shared services · view billing descriptions
  • Insertion of artery tube for blood sampling or infusion through skin (36620)
  • Ultrasonic guidance for blood vessel access (76937)
43%Service-mix similarityView profile →

Julie Guilbeau Broussard, MD

Anesthesiology · Galveston, TX

Shared published services
3 shared services · view billing descriptions
  • Anesthesia for other procedure on large bowel using an endoscope (00811)
  • Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)
  • Insertion of artery tube for blood sampling or infusion through skin (36620)
41%Service-mix similarityView profile →

Sandhya Rani Vinta, MD

Anesthesiology · Galveston, TX

Shared published services
1 shared services · view billing descriptions
  • Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)
38%Service-mix similarityView profile →

Daniel Ruiz, MD

Anesthesiology · Galveston, TX

Shared published services
1 shared services · view billing descriptions
  • Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)
38%Service-mix similarityView profile →

Charles Floyd Zehm, M.D.

Anesthesiology · Galveston, TX

Shared published services
2 shared services · view billing descriptions
  • Insertion of artery tube for blood sampling or infusion through skin (36620)
  • Ultrasonic guidance for blood vessel access (76937)
33%Service-mix similarityView profile →

Michael P Dib, MD

Anesthesiology · Galveston, TX

Shared published services
2 shared services · view billing descriptions
  • Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)
  • Insertion of artery tube for blood sampling or infusion through skin (36620)
33%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.