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Compare the published Medicare service mix of Brent Alan Sparks, C.R.N.A. with clinicians in the same registry specialty: Certified Registered Nurse Anesthetist (Crna) (CMS).

TERRE HAUTE, IN · Exact areaEdit location

2024 published service data · 36 eligible profiles compared. Similarity describes billing patterns, not quality, outcomes, or suitability for your care.

Samuel Irving, CRNA

Certified Registered Nurse Anesthetist (Crna) (CMS) · Terre Haute, IN

Shared published services
2 shared services · view billing descriptions
  • Anesthesia for exam of colon using an endoscope (00812)
  • Anesthesia for other procedure on large bowel using an endoscope (00811)
70%Service-mix similarityView profile →

David A Samons

Certified Registered Nurse Anesthetist (Crna) (CMS) · Terre Haute, IN

Shared published services
2 shared services · view billing descriptions
  • Anesthesia for exam of colon using an endoscope (00812)
  • Anesthesia for other procedure on large bowel using an endoscope (00811)
67%Service-mix similarityView profile →

Andrea Williams

Certified Registered Nurse Anesthetist (Crna) (CMS) · Terre Haute, IN

Shared published services
3 shared services · view billing descriptions
  • Anesthesia for exam of colon using an endoscope (00812)
  • Anesthesia for other procedure on large bowel using an endoscope (00811)
  • Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) (64447)
66%Service-mix similarityView profile →

Garry Michael Payne, RN

Certified Registered Nurse Anesthetist (Crna) (CMS) · Terre Haute, IN

Shared published services
3 shared services · view billing descriptions
  • Anesthesia for exam of colon using an endoscope (00812)
  • Anesthesia for other procedure on large bowel using an endoscope (00811)
  • Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) (64447)
63%Service-mix similarityView profile →

Connor Curley

Certified Registered Nurse Anesthetist (Crna) (CMS) · Terre Haute, IN

Shared published services
3 shared services · view billing descriptions
  • Anesthesia for exam of colon using an endoscope (00812)
  • Anesthesia for other procedure on large bowel using an endoscope (00811)
  • Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) (64447)
63%Service-mix similarityView profile →

Michael Sparks

Certified Registered Nurse Anesthetist (Crna) (CMS) · Terre Haute, IN

Shared published services
2 shared services · view billing descriptions
  • Anesthesia for exam of colon using an endoscope (00812)
  • Anesthesia for other procedure on large bowel using an endoscope (00811)
58%Service-mix similarityView profile →

Paulina Mora, CRNA

Certified Registered Nurse Anesthetist (Crna) (CMS) · Terre Haute, IN

Shared published services
2 shared services · view billing descriptions
  • Anesthesia for exam of colon using an endoscope (00812)
  • Anesthesia for other procedure on large bowel using an endoscope (00811)
56%Service-mix similarityView profile →

Nicholas Charles Rust, CRNA

Certified Registered Nurse Anesthetist (Crna) (CMS) · Terre Haute, IN

Shared published services
2 shared services · view billing descriptions
  • Anesthesia for exam of colon using an endoscope (00812)
  • Anesthesia for other procedure on large bowel using an endoscope (00811)
55%Service-mix similarityView profile →

Caleb Talpas, CRNA

Certified Registered Nurse Anesthetist (Crna) (CMS) · Terre Haute, IN

Shared published services
2 shared services · view billing descriptions
  • Anesthesia for other procedure on large bowel using an endoscope (00811)
  • Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) (64447)
55%Service-mix similarityView profile →

Kenneth Grigsby, CRNA

Certified Registered Nurse Anesthetist (Crna) (CMS) · Terre Haute, IN

Shared published services
1 shared services · view billing descriptions
  • Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) (64447)
52%Service-mix similarityView profile →

Benjamin Bergesen, CRNA

Certified Registered Nurse Anesthetist (Crna) (CMS) · Terre Haute, IN

Shared published services
2 shared services · view billing descriptions
  • Anesthesia for exam of colon using an endoscope (00812)
  • Anesthesia for other procedure on large bowel using an endoscope (00811)
50%Service-mix similarityView profile →

Spencer Greenwood, CRNA

Certified Registered Nurse Anesthetist (Crna) (CMS) · Terre Haute, IN

Shared published services
2 shared services · view billing descriptions
  • Anesthesia for exam of colon using an endoscope (00812)
  • Anesthesia for other procedure on large bowel using an endoscope (00811)
50%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.