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Compare the published Medicare service mix of Uduak Ursula Williams, M.D. with clinicians in the same registry specialty: Anesthesiology.

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.

David George Alleman, MD

Anesthesiology · Houston, 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)
  • Injection of local anesthetic for abdominal wall pain control on both sides using imaging guidance (64488)
79%Service-mix similarityView profile →

Keyuri U. Popat, M.D.

Anesthesiology · Houston, 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)
  • Other procedure on nervous system (64999)
76%Service-mix similarityView profile →

Shannon Brooke Hancher-Hodges, M.D.

Anesthesiology · Houston, 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)
  • Other procedure on nervous system (64999)
  • Injection of local anesthetic for abdominal wall pain control on both sides using imaging guidance (64488)
74%Service-mix similarityView profile →

Antoinette Kee Van Meter, M.D.

Anesthesiology · Houston, 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)
  • Other procedure on nervous system (64999)
74%Service-mix similarityView profile →

Hart Donahue

Anesthesiology · Houston, 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)
  • Other procedure on nervous system (64999)
  • Injection of local anesthetic for abdominal wall pain control on both sides using imaging guidance (64488)
69%Service-mix similarityView profile →

Semhar Ghebremichael, M.D.

Anesthesiology · Houston, 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)
  • Other procedure on nervous system (64999)
  • Injection of local anesthetic for abdominal wall pain control on both sides using imaging guidance (64488)
69%Service-mix similarityView profile →

Jackson Su, M.D.

Anesthesiology · Houston, 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)
67%Service-mix similarityView profile →

Hrishikesh Modi, MD

Anesthesiology · Houston, 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)
67%Service-mix similarityView profile →

Thomas John Oliverson

Anesthesiology · Houston, 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)
  • Injection of local anesthetic for abdominal wall pain control on both sides using imaging guidance (64488)
67%Service-mix similarityView profile →

Neeta U. Hiray, M.D.

Anesthesiology · Houston, 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)
67%Service-mix similarityView profile →

Adebukola Owolabi, M.D

Anesthesiology · Houston, 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)
  • Other procedure on nervous system (64999)
  • Injection of local anesthetic for abdominal wall pain control on both sides using imaging guidance (64488)
64%Service-mix similarityView profile →

Acsa Zavala, M.D.

Anesthesiology · Houston, TX

Shared published services
2 shared services · view billing descriptions
  • Other procedure on nervous system (64999)
  • Injection of local anesthetic for abdominal wall pain control on both sides using imaging guidance (64488)
62%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.