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Compare the published Medicare service mix of Ilya B Volfson, MD with clinicians in the same registry specialty: Anesthesiology.

DAVENPORT, IA · Exact areaEdit location

2024 published service data · 15 eligible profiles compared. Similarity describes billing patterns, not quality, outcomes, or suitability for your care.

Edwin Allen Maxwell, DO

Anesthesiology · Davenport, IA

Shared published services
2 shared services · view billing descriptions
  • Anesthesia for fragmenting, manipulation and/or removal of kidney stone including use of an endoscope (00918)
  • Anesthesia for other procedure on urinary system through urethra (00910)
41%Service-mix similarityView profile →

Fritz William Swearingen, DO

Anesthesiology · Davenport, IA

Shared published services
3 shared services · view billing descriptions
  • Anesthesia for fragmenting, manipulation and/or removal of kidney stone including use of an endoscope (00918)
  • Anesthesia for other procedure on urinary system through urethra (00910)
  • Anesthesia for removal of urinary bladder tumors including use of an endoscope (00912)
34%Service-mix similarityView profile →

James Allen Stewart, MD

Anesthesiology · Davenport, IA

Shared published services
2 shared services · view billing descriptions
  • Anesthesia for fragmenting, manipulation and/or removal of kidney stone including use of an endoscope (00918)
  • Anesthesia for other procedure on urinary system through urethra (00910)
31%Service-mix similarityView profile →

Rashad Sirafi, MD

Anesthesiology · Davenport, IA

Shared published services
2 shared services · view billing descriptions
  • Injection of substance into middle or upper spine canal (62320)
  • Anesthesia for other procedure on urinary system through urethra (00910)
20%Service-mix similarityView profile →

Michael Thomas Sunderbruch, M.D.

Anesthesiology · Davenport, IA

Shared published services
2 shared services · view billing descriptions
  • Anesthesia for other procedure on urinary system through urethra (00910)
  • Anesthesia for removal of urinary bladder tumors including use of an endoscope (00912)
18%Service-mix similarityView profile →

Kevin Matthew Beitz, DO

Anesthesiology · Davenport, IA

Shared published services
1 shared services · view billing descriptions
  • Anesthesia for fragmenting, manipulation and/or removal of kidney stone including use of an endoscope (00918)
12%Service-mix similarityView profile →

Sara Fay Reader, DO, MS

Anesthesiology · Davenport, IA

Shared published services
1 shared services · view billing descriptions
  • Anesthesia for other procedure on urinary system through urethra (00910)
10%Service-mix similarityView profile →

Ricky Lee Sedgwick, DO

Anesthesiology · Davenport, IA

Shared published services
1 shared services · view billing descriptions
  • Anesthesia for removal of urinary bladder tumors including use of an endoscope (00912)
6%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.