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Similar work.
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Compare the published Medicare service mix of Robert Jay Williams, PAC with clinicians in the same registry specialty: Physician Assistant (CMS).

HOUSTON, TX · Exact areaEdit location

2024 published service data · 66 eligible profiles compared. Similarity describes billing patterns, not quality, outcomes, or suitability for your care.

Cole Franklin Oliver, PA

Physician Assistant (CMS) · Houston, TX

Shared published services
2 shared services · view billing descriptions
  • Partial removal of spine bone with release of spinal cord and/or nerves, each additional segment (63048)
  • Partial removal of spine bone with release of lower spinal cord and/or nerves, 1 segment (63047)
80%Service-mix similarityView profile →

Timothy David Moore, PA

Physician Assistant (CMS) · Houston, TX

Shared published services
3 shared services · view billing descriptions
  • Partial removal of spine bone with release of spinal cord and/or nerves, each additional segment (63048)
  • Partial removal of spine bone with release of lower spinal cord and/or nerves, 1 segment (63047)
  • Fusion of upper spine bone with removal of disc and release of spinal cord or nerve, each additional disc (22552)
64%Service-mix similarityView profile →

Katherine Buckner Moore, PA-C

Physician Assistant (CMS) · Houston, TX

Shared published services
3 shared services · view billing descriptions
  • Partial removal of spine bone with release of spinal cord and/or nerves, each additional segment (63048)
  • Partial removal of spine bone with release of lower spinal cord and/or nerves, 1 segment (63047)
  • Fusion of upper spine bone with removal of disc and release of spinal cord or nerve, each additional disc (22552)
57%Service-mix similarityView profile →

Darren Downing Gore, PA

Physician Assistant (CMS) · Houston, TX

Shared published services
3 shared services · view billing descriptions
  • Partial removal of spine bone with release of spinal cord and/or nerves, each additional segment (63048)
  • Partial removal of spine bone with release of lower spinal cord and/or nerves, 1 segment (63047)
  • Fusion of upper spine bone with removal of disc and release of spinal cord or nerve, 1 disc (22551)
43%Service-mix similarityView profile →

Victoria Payne Allen, MPAS, PA-C

Physician Assistant (CMS) · Houston, TX

Shared published services
1 shared services · view billing descriptions
  • Partial removal of spine bone with release of lower spinal cord and/or nerves, 1 segment (63047)
12%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.