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

HATBORO, PA · 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 · 107 eligible profiles compared. Similarity describes billing patterns, not quality, outcomes, or suitability for your care.

Joseph William Danig, CRNA

Certified Registered Nurse Anesthetist (Crna) (CMS) · Philadelphia, PA

Shared published services
3 shared services · view billing descriptions
  • Anesthesia for other procedure on large bowel using an endoscope (00811)
  • Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)
  • Anesthesia for exam of colon using an endoscope (00812)
100%Service-mix similarity~8.3 milesView profile →

Michael Squillace, RN, CRNA

Certified Registered Nurse Anesthetist (Crna) (CMS) · Philadelphia, PA

Shared published services
3 shared services · view billing descriptions
  • Anesthesia for other procedure on large bowel using an endoscope (00811)
  • Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)
  • Anesthesia for exam of colon using an endoscope (00812)
100%Service-mix similarity~8.3 milesView profile →

Dawn M Monzo, CRNA

Certified Registered Nurse Anesthetist (Crna) (CMS) · Abington, PA

Shared published services
3 shared services · view billing descriptions
  • Anesthesia for other procedure on large bowel using an endoscope (00811)
  • Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)
  • Anesthesia for exam of colon using an endoscope (00812)
100%Service-mix similarity~3.8 milesView profile →

Mark Demshick, CRNA

Specialty details in registry · Doylestown, PA

Shared published services
3 shared services · view billing descriptions
  • Anesthesia for other procedure on large bowel using an endoscope (00811)
  • Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)
  • Anesthesia for exam of colon using an endoscope (00812)
100%Service-mix similarity~9.0 milesView profile →

James Michael Campbell, CRNA

Certified Registered Nurse Anesthetist (Crna) (CMS) · Philadelphia, PA

Shared published services
3 shared services · view billing descriptions
  • Anesthesia for other procedure on large bowel using an endoscope (00811)
  • Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)
  • Anesthesia for exam of colon using an endoscope (00812)
100%Service-mix similarity~8.3 milesView profile →

Maria Costanzo, CRNA

Certified Registered Nurse Anesthetist (Crna) (CMS) · Huntingdon Valley, PA

Shared published services
3 shared services · view billing descriptions
  • Anesthesia for other procedure on large bowel using an endoscope (00811)
  • Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)
  • Anesthesia for exam of colon using an endoscope (00812)
99%Service-mix similarity~4.2 milesView profile →

John David Williams, CRNA

Certified Registered Nurse Anesthetist (Crna) (CMS) · Willow Grove, PA

Shared published services
3 shared services · view billing descriptions
  • Anesthesia for other procedure on large bowel using an endoscope (00811)
  • Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)
  • Anesthesia for exam of colon using an endoscope (00812)
99%Service-mix similarity~1.8 milesView profile →

Kelly Marie Bellamy-Dixon, CRNA

Specialty details in registry · Willow Grove, PA

Shared published services
3 shared services · view billing descriptions
  • Anesthesia for other procedure on large bowel using an endoscope (00811)
  • Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)
  • Anesthesia for exam of colon using an endoscope (00812)
99%Service-mix similarity~1.8 milesView profile →

Michael Savage, CRNA

Certified Registered Nurse Anesthetist (Crna) (CMS) · Meadowbrook, PA

Shared published services
3 shared services · view billing descriptions
  • Anesthesia for other procedure on large bowel using an endoscope (00811)
  • Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)
  • Anesthesia for exam of colon using an endoscope (00812)
96%Service-mix similarity~5.6 milesView profile →

Charyl Josephine Lakoff, CRNA

Certified Registered Nurse Anesthetist (Crna) (CMS) · Jamison, PA

Shared published services
3 shared services · view billing descriptions
  • Anesthesia for other procedure on large bowel using an endoscope (00811)
  • Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)
  • Anesthesia for exam of colon using an endoscope (00812)
94%Service-mix similarity~5.4 milesView profile →

Chelsea Mcfadden, CRNA

Certified Registered Nurse Anesthetist (Crna) (CMS) · Doylestown, PA

Shared published services
3 shared services · view billing descriptions
  • Anesthesia for other procedure on large bowel using an endoscope (00811)
  • Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)
  • Anesthesia for exam of colon using an endoscope (00812)
93%Service-mix similarity~9.0 milesView profile →

Marc Okolowicz, CRNA

Certified Registered Nurse Anesthetist (Crna) (CMS) · Abington, PA

Shared published services
3 shared services · view billing descriptions
  • Anesthesia for other procedure on large bowel using an endoscope (00811)
  • Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)
  • Anesthesia for exam of colon using an endoscope (00812)
89%Service-mix similarity~3.8 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.