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

IA · 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.

Abigail Kulp, PA-C

Physician Assistant · Bettendorf, IA

Shared published services
1 shared services · view billing descriptions
  • Emergency department visit with moderate level of medical decision making (99284)
77%Service-mix similarityView profile →

Tyler King

Physician Assistant · Dubuque, IA

Shared published services
1 shared services · view billing descriptions
  • Emergency department visit with moderate level of medical decision making (99284)
76%Service-mix similarityView profile →

Kevin J Lohmeyer, PAC

Physician Assistant · Cedar Rapids, IA

Shared published services
1 shared services · view billing descriptions
  • Emergency department visit with moderate level of medical decision making (99284)
75%Service-mix similarityView profile →

Jada Engelkes

Physician Assistant · Bettendorf, IA

Shared published services
1 shared services · view billing descriptions
  • Emergency department visit with moderate level of medical decision making (99284)
75%Service-mix similarityView profile →

Tonya Marie Kerker, PA

Physician Assistant · Muscatine, IA

Shared published services
1 shared services · view billing descriptions
  • Emergency department visit with moderate level of medical decision making (99284)
73%Service-mix similarityView profile →

Cynthia Thomas

Physician Assistant · Bettendorf, IA

Shared published services
1 shared services · view billing descriptions
  • Emergency department visit with moderate level of medical decision making (99284)
73%Service-mix similarityView profile →

Brittany Sue Trow

Physician Assistant · Des Moines, IA

Shared published services
1 shared services · view billing descriptions
  • Emergency department visit with moderate level of medical decision making (99284)
72%Service-mix similarityView profile →

Collin Steuber

Physician Assistant · Des Moines, IA

Shared published services
1 shared services · view billing descriptions
  • Emergency department visit with moderate level of medical decision making (99284)
71%Service-mix similarityView profile →

Charles Bradley Hirst, PAC

Physician Assistant · Webster City, IA

Shared published services
1 shared services · view billing descriptions
  • Emergency department visit with moderate level of medical decision making (99284)
70%Service-mix similarityView profile →

Madigan Nicole Arend

Physician Assistant · Des Moines, IA

Shared published services
1 shared services · view billing descriptions
  • Emergency department visit with moderate level of medical decision making (99284)
70%Service-mix similarityView profile →

Bria Schmitz

Physician Assistant · Iowa City, IA

Shared published services
1 shared services · view billing descriptions
  • Emergency department visit with moderate level of medical decision making (99284)
69%Service-mix similarityView profile →

Erin Elizabeth Ryan, PA-C

Physician Assistant · Urbandale, IA

Shared published services
1 shared services · view billing descriptions
  • Emergency department visit with moderate level of medical decision making (99284)
69%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.