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Similar work.
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Compare the published Medicare service mix of Marcus Kessler with clinicians in the same registry specialty: Anesthesiology Assistant (CMS).

JACKSONVILLE, FL · Exact areaEdit location

2024 published service data · 55 eligible profiles compared. Similarity describes billing patterns, not quality, outcomes, or suitability for your care.

Lauren Rose, CAA

Anesthesiology Assistant (CMS) · Jacksonville, FL

Shared published services
3 shared services · view billing descriptions
  • Anesthesia for extensive surgery on spine (00670)
  • Anesthesia for x-ray or radiation therapy (01922)
  • Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)
69%Service-mix similarityView profile →

Taylor Rush Cowart, STUDENT

Anesthesiology Assistant (CMS) · Jacksonville, FL

Shared published services
3 shared services · view billing descriptions
  • Anesthesia for extensive surgery on spine (00670)
  • Anesthesia for x-ray or radiation therapy (01922)
  • Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)
66%Service-mix similarityView profile →

Steven Derek Harris, CAA

Anesthesiology Assistant (CMS) · Jacksonville, FL

Shared published services
2 shared services · view billing descriptions
  • Anesthesia for x-ray or radiation therapy (01922)
  • Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)
64%Service-mix similarityView profile →

Jonathan Kistemaker, AA

Anesthesiology Assistant (CMS) · Jacksonville, FL

Shared published services
2 shared services · view billing descriptions
  • Anesthesia for x-ray or radiation therapy (01922)
  • Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)
64%Service-mix similarityView profile →

Kyle Matthew Hillis, CAA

Anesthesiology Assistant (CMS) · Jacksonville, FL

Shared published services
2 shared services · view billing descriptions
  • Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)
  • Anesthesia for other procedure on urinary system through urethra (00910)
62%Service-mix similarityView profile →

Mccall Cox, CAA

Anesthesiology Assistant (CMS) · Jacksonville, FL

Shared published services
3 shared services · view billing descriptions
  • Anesthesia for extensive surgery on spine (00670)
  • Anesthesia for x-ray or radiation therapy (01922)
  • Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)
60%Service-mix similarityView profile →

Daniel Le Phan

Anesthesiology Assistant (CMS) · Jacksonville, FL

Shared published services
3 shared services · view billing descriptions
  • Anesthesia for extensive surgery on spine (00670)
  • Anesthesia for x-ray or radiation therapy (01922)
  • Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)
59%Service-mix similarityView profile →

Catherine Nicole South

Anesthesiology Assistant (CMS) · Jacksonville, FL

Shared published services
3 shared services · view billing descriptions
  • Anesthesia for x-ray or radiation therapy (01922)
  • Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)
  • Anesthesia for other procedure on urinary system through urethra (00910)
58%Service-mix similarityView profile →

Christopher Daniel Nelson, CAA

Anesthesiology Assistant (CMS) · Jacksonville, FL

Shared published services
3 shared services · view billing descriptions
  • Anesthesia for extensive surgery on spine (00670)
  • Anesthesia for x-ray or radiation therapy (01922)
  • Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)
57%Service-mix similarityView profile →

Jessica Hyams Kennedy, AA-C

Anesthesiology Assistant (CMS) · Jacksonville, FL

Shared published services
2 shared services · view billing descriptions
  • Anesthesia for x-ray or radiation therapy (01922)
  • Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)
53%Service-mix similarityView profile →

Hyun Ah Yoo

Anesthesiology Assistant (CMS) · Jacksonville, FL

Shared published services
3 shared services · view billing descriptions
  • Anesthesia for x-ray or radiation therapy (01922)
  • Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)
  • Anesthesia for other procedure on urinary system through urethra (00910)
52%Service-mix similarityView profile →

Cory Hart, CAA

Anesthesiology Assistant (CMS) · Jacksonville, FL

Shared published services
3 shared services · view billing descriptions
  • Anesthesia for extensive surgery on spine (00670)
  • Anesthesia for x-ray or radiation therapy (01922)
  • Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)
51%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.