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Similar work.
More providers to explore.

Compare the published Medicare service mix of Sarah Marie Halliday, ACNP with clinicians in the same registry specialty: Nurse Practitioner.

SAINT LOUIS, MO · Exact areaEdit location

2024 published service data · 212 eligible profiles compared. Similarity describes billing patterns, not quality, outcomes, or suitability for your care.

Kathleen C Gittemeier, AGACNP-BC

Nurse Practitioner · Saint Louis, MO

Shared published services
2 shared services · view billing descriptions
  • Advance care planning, first 30 minutes (99497)
  • Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)
84%Service-mix similarityView profile →

Tiana J. Butler, AGNP-C

Nurse Practitioner · Saint Louis, MO

Shared published services
2 shared services · view billing descriptions
  • Advance care planning, first 30 minutes (99497)
  • Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)
84%Service-mix similarityView profile →

Jamie M Collins, ACNP

Nurse Practitioner · Saint Louis, MO

Shared published services
1 shared services · view billing descriptions
  • Critical care, first 30-74 minutes (99291)
54%Service-mix similarityView profile →

John D Descher, FNP

Nurse Practitioner · Saint Louis, MO

Shared published services
2 shared services · view billing descriptions
  • Advance care planning, first 30 minutes (99497)
  • Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)
52%Service-mix similarityView profile →

Jonathan Christopher Hanson, ANP

Nurse Practitioner · Saint Louis, MO

Shared published services
2 shared services · view billing descriptions
  • Advance care planning, first 30 minutes (99497)
  • Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)
49%Service-mix similarityView profile →

Amanda Barich, NP

Nurse Practitioner · Saint Louis, MO

Shared published services
3 shared services · view billing descriptions
  • Advance care planning, first 30 minutes (99497)
  • Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)
  • Critical care, first 30-74 minutes (99291)
49%Service-mix similarityView profile →

Colleen R Gilmore, AGNP

Nurse Practitioner · Saint Louis, MO

Shared published services
1 shared services · view billing descriptions
  • Advance care planning, first 30 minutes (99497)
39%Service-mix similarityView profile →

Amber Marie Patterson, BSN,MSN,APRN, FNP-BC

Nurse Practitioner · Saint Louis, MO

Shared published services
1 shared services · view billing descriptions
  • Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)
39%Service-mix similarityView profile →

Evelyn Kay Scrivner, ACNP

Nurse Practitioner · Saint Louis, MO

Shared published services
1 shared services · view billing descriptions
  • Critical care, first 30-74 minutes (99291)
30%Service-mix similarityView profile →

Samantha Merritt

Nurse Practitioner · Saint Louis, MO

Shared published services
1 shared services · view billing descriptions
  • Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)
29%Service-mix similarityView profile →

Kelly Marie Houston, ACNP

Nurse Practitioner · Saint Louis, MO

Shared published services
1 shared services · view billing descriptions
  • Critical care, first 30-74 minutes (99291)
28%Service-mix similarityView profile →

Jennifer Christine Raffaelli, ANP

Nurse Practitioner · Saint Louis, MO

Shared published services
1 shared services · view billing descriptions
  • Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)
28%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.