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Compare the published Medicare service mix of Crystal Desiree Kafer, CRNA with clinicians in the same registry specialty: Certified Registered Nurse Anesthetist (Crna) (CMS).

NORTH LAS VEGAS, NV · 10 milesEdit location
Within 10 miles · Approximate ZIP-area distance

Approximate straight-line distances between ZIP-area centers; a city search starts from the average of its ZIP centers. Uses the primary reported practice ZIP, not an exact office address or driving distance. Records without matched coordinates are excluded. How distance works

2024 published service data · 35 eligible profiles compared. Similarity describes billing patterns, not quality, outcomes, or suitability for your care.

Karen Z Murphy, APRN, CRNA

Certified Registered Nurse Anesthetist (Crna) (CMS) · Las Vegas, NV

Shared published services
3 shared services · view billing descriptions
  • Anesthesia for exam of colon using an endoscope (00812)
  • Anesthesia for procedure on small and large bowel using an endoscope (00813)
  • Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)
77%Service-mix similarity~7.7 milesView profile →

Dennis L Griggs, CRNA

Certified Registered Nurse Anesthetist (Crna) (CMS) · Las Vegas, NV

Shared published services
3 shared services · view billing descriptions
  • Anesthesia for exam of colon using an endoscope (00812)
  • Anesthesia for procedure on small and large bowel using an endoscope (00813)
  • Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)
77%Service-mix similarity~8.1 milesView profile →

Annmarie Lobiondo, CRNA

Specialty details in registry · Las Vegas, NV

Shared published services
3 shared services · view billing descriptions
  • Anesthesia for exam of colon using an endoscope (00812)
  • Anesthesia for procedure on small and large bowel using an endoscope (00813)
  • Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)
76%Service-mix similarity~4.2 milesView profile →

Joanne K Heins, CRNA

Certified Registered Nurse Anesthetist (Crna) (CMS) · Nellis Afb, NV

Shared published services
3 shared services · view billing descriptions
  • Anesthesia for exam of colon using an endoscope (00812)
  • Anesthesia for procedure on small and large bowel using an endoscope (00813)
  • Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)
64%Service-mix similarity~6.7 milesView profile →

Richard James Anshutz, CRNA

Certified Registered Nurse Anesthetist (Crna) (CMS) · Las Vegas, NV

Shared published services
3 shared services · view billing descriptions
  • Anesthesia for exam of colon using an endoscope (00812)
  • Anesthesia for procedure on small and large bowel using an endoscope (00813)
  • Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)
61%Service-mix similarity~6.7 milesView profile →

Eyde M Baer

Certified Registered Nurse Anesthetist (Crna) (CMS) · Las Vegas, NV

Shared published services
2 shared services · view billing descriptions
  • Anesthesia for lens surgery (00142)
  • Anesthesia for exam of colon using an endoscope (00812)
61%Service-mix similarity~8.1 milesView profile →

Kenneth Narayan, DNP, CRNA

Certified Registered Nurse Anesthetist (Crna) (CMS) · Nellis Afb, NV

Shared published services
2 shared services · view billing descriptions
  • Anesthesia for exam of colon using an endoscope (00812)
  • Anesthesia for procedure on small and large bowel using an endoscope (00813)
59%Service-mix similarity~6.7 milesView profile →

Tamara N Bareng

Certified Registered Nurse Anesthetist (Crna) (CMS) · Las Vegas, NV

Shared published services
2 shared services · view billing descriptions
  • Anesthesia for procedure on small and large bowel using an endoscope (00813)
  • Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)
54%Service-mix similarity~8.1 milesView profile →

David Thomas Kwiatkowski, CRNA

Certified Registered Nurse Anesthetist (Crna) (CMS) · Las Vegas, NV

Shared published services
1 shared services · view billing descriptions
  • Anesthesia for lens surgery (00142)
54%Service-mix similarity~4.2 milesView profile →

Marie Altagrace Garrett, CRNA

Certified Registered Nurse Anesthetist (Crna) (CMS) · Nellis Afb, NV

Shared published services
1 shared services · view billing descriptions
  • Anesthesia for lens surgery (00142)
54%Service-mix similarity~6.7 milesView profile →

Heidi Lynn Beron, CRNA, RN

Certified Registered Nurse Anesthetist (Crna) (CMS) · Las Vegas, NV

Shared published services
2 shared services · view billing descriptions
  • Anesthesia for procedure on small and large bowel using an endoscope (00813)
  • Anesthesia for other procedure on large bowel using an endoscope (00811)
51%Service-mix similarity~8.7 milesView profile →

Andrew Lester C Chua, CRNA

Certified Registered Nurse Anesthetist (Crna) (CMS) · Nellis Afb, NV

Shared published services
2 shared services · view billing descriptions
  • Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)
  • Anesthesia for other procedure on large bowel using an endoscope (00811)
50%Service-mix similarity~6.7 milesView 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 approximate distance 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.