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Compare the published Medicare service mix of Mallory Ann Butler, FNP with clinicians in the same registry specialty: Family Nurse Practitioner.

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.

Bethany Walls

Family Nurse Practitioner · Peoria, IL

Shared published services
2 shared services · view billing descriptions
  • Injection of drug or substance under skin or into muscle (96372)
  • Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less (96365)
47%Service-mix similarityView profile →

Angela Zak, APN

Family Nurse Practitioner · Plainfield, IL

Shared published services
1 shared services · view billing descriptions
  • New patient office or other outpatient visit with straightforward medical decision making, if using time, 15 minutes or more (99202)
31%Service-mix similarityView profile →

Mary Lawrence, FNP

Family Nurse Practitioner · Skokie, IL

Shared published services
1 shared services · view billing descriptions
  • Injection of drug or substance under skin or into muscle (96372)
31%Service-mix similarityView profile →

Melanie Cross, FNP

Family Nurse Practitioner · Mount Vernon, IL

Shared published services
1 shared services · view billing descriptions
  • Injection of drug or substance under skin or into muscle (96372)
30%Service-mix similarityView profile →

Kristin Ann Ostergaard, NP

Family Nurse Practitioner · Lincolnshire, IL

Shared published services
1 shared services · view billing descriptions
  • Injection of drug or substance under skin or into muscle (96372)
29%Service-mix similarityView profile →

Donna Marie Avery, NP

Family Nurse Practitioner · East Saint Louis, IL

Shared published services
1 shared services · view billing descriptions
  • New patient office or other outpatient visit with straightforward medical decision making, if using time, 15 minutes or more (99202)
28%Service-mix similarityView profile →

Kelly S Eyer, FNP-BC

Family Nurse Practitioner · Olney, IL

Shared published services
1 shared services · view billing descriptions
  • Injection of drug or substance under skin or into muscle (96372)
28%Service-mix similarityView profile →

Melissa Caldwell, RN, BSN, FNP-C

Family Nurse Practitioner · Moline, IL

Shared published services
1 shared services · view billing descriptions
  • Injection of drug or substance under skin or into muscle (96372)
25%Service-mix similarityView profile →

Lorna Sieger, FNP

Family Nurse Practitioner · Bourbonnais, IL

Shared published services
1 shared services · view billing descriptions
  • Injection of drug or substance under skin or into muscle (96372)
25%Service-mix similarityView profile →

Alexis S Thomas

Family Nurse Practitioner · Chicago Heights, IL

Shared published services
1 shared services · view billing descriptions
  • New patient office or other outpatient visit with straightforward medical decision making, if using time, 15 minutes or more (99202)
24%Service-mix similarityView profile →

Kathleen Patricia Medici, APN

Family Nurse Practitioner · Berwyn, IL

Shared published services
1 shared services · view billing descriptions
  • New patient office or other outpatient visit with straightforward medical decision making, if using time, 15 minutes or more (99202)
23%Service-mix similarityView profile →

Rica Saligan, NP

Family Nurse Practitioner · Urbana, IL

Shared published services
1 shared services · view billing descriptions
  • New patient office or other outpatient visit with straightforward medical decision making, if using time, 15 minutes or more (99202)
22%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.