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Similar work.
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Compare the published Medicare service mix of Darin Lee Frerichs, D.O. with clinicians in the same registry specialty: Anesthesiology.

DES MOINES, IA · Exact areaEdit location

2024 published service data · 81 eligible profiles compared. Similarity describes billing patterns, not quality, outcomes, or suitability for your care.

Bryan Michael Purdy, M.D.

Anesthesiology · Des Moines, IA

Shared published services
3 shared services · view billing descriptions
  • Insertion of artery tube for blood sampling or infusion through skin (36620)
  • Injection of anesthetic agent and/or steroid into arm nerve bundle (brachial plexus) (64415)
  • Anesthesia for procedure to assess heart electrical activity (00537)
64%Service-mix similarityView profile →

Sung Kim, M.D.

Anesthesiology · Des Moines, IA

Shared published services
3 shared services · view billing descriptions
  • Insertion of artery tube for blood sampling or infusion through skin (36620)
  • Anesthesia for extensive surgery on spine (00670)
  • Anesthesia for total hip replacement (01214)
63%Service-mix similarityView profile →

Jason Cordes Walker, M.D.

Anesthesiology · Des Moines, IA

Shared published services
3 shared services · view billing descriptions
  • Insertion of artery tube for blood sampling or infusion through skin (36620)
  • Anesthesia for extensive surgery on spine (00670)
  • Anesthesia for total hip replacement (01214)
60%Service-mix similarityView profile →

Gregory James Recker, DO

Anesthesiology · Des Moines, IA

Shared published services
3 shared services · view billing descriptions
  • Insertion of artery tube for blood sampling or infusion through skin (36620)
  • Anesthesia for extensive surgery on spine (00670)
  • Anesthesia for other procedure on upper abdomen (00790)
59%Service-mix similarityView profile →

Eric Nevin Meek, MD

Anesthesiology · Des Moines, IA

Shared published services
3 shared services · view billing descriptions
  • Insertion of artery tube for blood sampling or infusion through skin (36620)
  • Injection of anesthetic agent and/or steroid into arm nerve bundle (brachial plexus) (64415)
  • Anesthesia for procedure to assess heart electrical activity (00537)
57%Service-mix similarityView profile →

Gautam Kumar Reddy, M.D.

Anesthesiology · Des Moines, IA

Shared published services
3 shared services · view billing descriptions
  • Insertion of artery tube for blood sampling or infusion through skin (36620)
  • Injection of anesthetic agent and/or steroid into arm nerve bundle (brachial plexus) (64415)
  • Anesthesia for other procedure on upper abdomen (00790)
56%Service-mix similarityView profile →

Kody Joseph Massner, DO, MHA

Anesthesiology · Des Moines, IA

Shared published services
2 shared services · view billing descriptions
  • Insertion of artery tube for blood sampling or infusion through skin (36620)
  • Injection of anesthetic agent and/or steroid into arm nerve bundle (brachial plexus) (64415)
51%Service-mix similarityView profile →

Gavin Gehret Meredith, DO

Anesthesiology · Des Moines, IA

Shared published services
3 shared services · view billing descriptions
  • Insertion of artery tube for blood sampling or infusion through skin (36620)
  • Injection of anesthetic agent and/or steroid into arm nerve bundle (brachial plexus) (64415)
  • Anesthesia for other procedure on upper abdomen (00790)
50%Service-mix similarityView profile →

Scott D Miller, DO

Anesthesiology · Des Moines, IA

Shared published services
3 shared services · view billing descriptions
  • Insertion of artery tube for blood sampling or infusion through skin (36620)
  • Injection of anesthetic agent and/or steroid into arm nerve bundle (brachial plexus) (64415)
  • Anesthesia for total hip replacement (01214)
49%Service-mix similarityView profile →

Christopher T Lensing, MD

Anesthesiology · Des Moines, IA

Shared published services
1 shared services · view billing descriptions
  • Insertion of artery tube for blood sampling or infusion through skin (36620)
48%Service-mix similarityView profile →

Alexander J Hjelmaas, MD

Anesthesiology · Des Moines, IA

Shared published services
1 shared services · view billing descriptions
  • Insertion of artery tube for blood sampling or infusion through skin (36620)
48%Service-mix similarityView profile →

Bradley David Bergman, D.O.

Anesthesiology · Des Moines, IA

Shared published services
3 shared services · view billing descriptions
  • Anesthesia for extensive surgery on spine (00670)
  • Injection of anesthetic agent and/or steroid into arm nerve bundle (brachial plexus) (64415)
  • Anesthesia for other procedure on upper abdomen (00790)
48%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.