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Similar work.
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Compare the published Medicare service mix of Alexander Stuart Nelsen, DO with clinicians in the same registry specialty: Anesthesiology.

GREENWOOD VILLAGE, CO · Exact areaEdit location

2024 published service data · 101 eligible profiles compared. Similarity describes billing patterns, not quality, outcomes, or suitability for your care.

John M Haworth, MD

Anesthesiology · Greenwood Village, CO

Shared published services
1 shared services · view billing descriptions
  • Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)
100%Service-mix similarityView profile →

W. Michael Reding, MD

Anesthesiology · Greenwood Village, CO

Shared published services
1 shared services · view billing descriptions
  • Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)
100%Service-mix similarityView profile →

Jimmy Beasley, M.D.

Anesthesiology · Greenwood Village, CO

Shared published services
1 shared services · view billing descriptions
  • Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)
100%Service-mix similarityView profile →

Laura Rose Valente, MD

Anesthesiology · Greenwood Village, CO

Shared published services
1 shared services · view billing descriptions
  • Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)
100%Service-mix similarityView profile →

Bryan Christopher Hamilton, MD

Anesthesiology · Greenwood Village, CO

Shared published services
1 shared services · view billing descriptions
  • Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)
100%Service-mix similarityView profile →

Matthew David Johnson, MD

Anesthesiology · Greenwood Village, CO

Shared published services
1 shared services · view billing descriptions
  • Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)
100%Service-mix similarityView profile →

Anna G Geltser, MD

Anesthesiology · Greenwood Village, CO

Shared published services
1 shared services · view billing descriptions
  • Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)
100%Service-mix similarityView profile →

Michael Lon Tan, MD

Anesthesiology · Greenwood Village, CO

Shared published services
1 shared services · view billing descriptions
  • Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)
80%Service-mix similarityView profile →

Kimberly L Izer, MD

Anesthesiology · Greenwood Village, CO

Shared published services
1 shared services · view billing descriptions
  • Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)
77%Service-mix similarityView profile →

Charles W. Dorroh, M.D.

Anesthesiology · Greenwood Village, CO

Shared published services
1 shared services · view billing descriptions
  • Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)
76%Service-mix similarityView profile →

Kirk Dressen, MD

Anesthesiology · Greenwood Village, CO

Shared published services
1 shared services · view billing descriptions
  • Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)
76%Service-mix similarityView profile →

Aaron Lam, M.D.

Anesthesiology · Greenwood Village, CO

Shared published services
1 shared services · view billing descriptions
  • Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)
71%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.