Charles V Nye, M.D.
Anesthesiology · East Saint Louis, IL
Shared published services1 shared services · view billing descriptions
80%Service-mix similarityView profile →
Similar work.
More providers to explore.
Compare the published Medicare service mix of Carmen Maria Rivera, M.D. with clinicians in the same registry specialty: Anesthesiology.
IL · 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.
Ahmed Zaki, M.D.
Anesthesiology · La Grange, IL
Shared published services1 shared services · view billing descriptions
71%Service-mix similarityView profile →
Safwat F Eskandar, MD
Anesthesiology · Oak Lawn, IL
Shared published services1 shared services · view billing descriptions
62%Service-mix similarityView profile →
Sridhar Chigurupati, MD
Anesthesiology · Dekalb, IL
Shared published services1 shared services · view billing descriptions
62%Service-mix similarityView profile →
Hassam Rasool, MD
Anesthesiology · Chicago, IL
Shared published services1 shared services · view billing descriptions
56%Service-mix similarityView profile →
Jacob H Shields, MD
Anesthesiology · Silvis, IL
Shared published services1 shared services · view billing descriptions
54%Service-mix similarityView profile →
Steven M Freed, MD
Anesthesiology · Rock Island, IL
Shared published services1 shared services · view billing descriptions
53%Service-mix similarityView profile →
Yvonne I Claflin, M.D.
Anesthesiology · Chicago, IL
Shared published services1 shared services · view billing descriptions
52%Service-mix similarityView profile →
John J. Ippolito, MD
Anesthesiology · Oak Lawn, IL
Shared published services1 shared services · view billing descriptions
52%Service-mix similarityView profile →
George G. Theotikos, D.O.
Anesthesiology · Oak Park, IL
Shared published services1 shared services · view billing descriptions
51%Service-mix similarityView profile →
Michael D Coulson, D.O.
Anesthesiology · Dekalb, IL
Shared published services1 shared services · view billing descriptions
51%Service-mix similarityView profile →
Jessica L Drescher, DO
Anesthesiology · Lake Forest, IL
Shared published services1 shared services · view billing descriptions
50%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.