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Compare the published Medicare service mix of Margreta Purcell, PA-C with clinicians in the same registry specialty: Physician Assistant.

MOUNTAIN VIEW, CA · Exact areaEdit location

2024 published service data · 47 eligible profiles compared. Similarity describes billing patterns, not quality, outcomes, or suitability for your care.

Alison Superko, N.P.

Physician Assistant · Mountain View, CA

Shared published services
3 shared services · view billing descriptions
  • Anticoagulant management of patient taking warfarin (93793)
  • Provision of test materials and equipment for home inr monitoring of patient with either mechanical heart valve(s), chronic atrial fibrillation, or venous thromboembolism who meets medicare coverage criteria; includes: provision of materials for use in the (G0249)
  • Physician review, interpretation, and patient management of home inr testing for patient with either mechanical heart valve(s), chronic atrial fibrillation, or venous thromboembolism who meets medicare coverage criteria; testing not occurring more frequent (G0250)
96%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.