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Compare the published Medicare service mix of Peter Paul Bertolozzi, D.O. with clinicians in the same registry specialty: Emergency Medicine.

CT · 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.

Benjamin D Armstrong, MD

Emergency Medicine · New London, CT

Shared published services
3 shared services · view billing descriptions
  • Emergency department visit with moderate level of medical decision making (99284)
  • Emergency department visit with low level of medical decision making (99283)
  • Emergency department visit with high level of medical decision making (99285)
99%Service-mix similarityView profile →

Jonathan Maisel, MD

Emergency Medicine · Bridgeport, CT

Shared published services
3 shared services · view billing descriptions
  • Emergency department visit with moderate level of medical decision making (99284)
  • Emergency department visit with low level of medical decision making (99283)
  • Emergency department visit with high level of medical decision making (99285)
99%Service-mix similarityView profile →

Shree Priya Govindarajan

Emergency Medicine · New Haven, CT

Shared published services
3 shared services · view billing descriptions
  • Emergency department visit with moderate level of medical decision making (99284)
  • Emergency department visit with low level of medical decision making (99283)
  • Emergency department visit with high level of medical decision making (99285)
99%Service-mix similarityView profile →

Matthew Ledford, D.O.

Emergency Medicine · West Hartford, CT

Shared published services
3 shared services · view billing descriptions
  • Emergency department visit with moderate level of medical decision making (99284)
  • Emergency department visit with low level of medical decision making (99283)
  • Emergency department visit with high level of medical decision making (99285)
99%Service-mix similarityView profile →

Karl Alexander Markuszka, M.D.

Emergency Medicine · Hartford, CT

Shared published services
3 shared services · view billing descriptions
  • Emergency department visit with moderate level of medical decision making (99284)
  • Emergency department visit with low level of medical decision making (99283)
  • Emergency department visit with high level of medical decision making (99285)
98%Service-mix similarityView profile →

John Lynch, MD

Emergency Medicine · Middletown, CT

Shared published services
3 shared services · view billing descriptions
  • Emergency department visit with moderate level of medical decision making (99284)
  • Emergency department visit with low level of medical decision making (99283)
  • Emergency department visit with high level of medical decision making (99285)
98%Service-mix similarityView profile →

Si Hyung Woo, M.D.

Emergency Medicine · Farmington, CT

Shared published services
3 shared services · view billing descriptions
  • Emergency department visit with moderate level of medical decision making (99284)
  • Emergency department visit with low level of medical decision making (99283)
  • Emergency department visit with high level of medical decision making (99285)
98%Service-mix similarityView profile →

Jacob Bartel Lotstein, M.D.

Emergency Medicine · Danbury, CT

Shared published services
3 shared services · view billing descriptions
  • Emergency department visit with moderate level of medical decision making (99284)
  • Emergency department visit with low level of medical decision making (99283)
  • Emergency department visit with high level of medical decision making (99285)
95%Service-mix similarityView profile →

Wesley Kyle, M.D.

Emergency Medicine · Hartford, CT

Shared published services
3 shared services · view billing descriptions
  • Emergency department visit with moderate level of medical decision making (99284)
  • Emergency department visit with low level of medical decision making (99283)
  • Emergency department visit with high level of medical decision making (99285)
95%Service-mix similarityView profile →

Nader M Bahadory, DO

Emergency Medicine · New London, CT

Shared published services
3 shared services · view billing descriptions
  • Emergency department visit with moderate level of medical decision making (99284)
  • Emergency department visit with low level of medical decision making (99283)
  • Emergency department visit with high level of medical decision making (99285)
95%Service-mix similarityView profile →

Susan L Collemer, M.D.

Emergency Medicine · Norwich, CT

Shared published services
3 shared services · view billing descriptions
  • Emergency department visit with moderate level of medical decision making (99284)
  • Emergency department visit with low level of medical decision making (99283)
  • Emergency department visit with high level of medical decision making (99285)
95%Service-mix similarityView profile →

Elizabeth York Schiller, MD

Emergency Medicine · Hartford, CT

Shared published services
3 shared services · view billing descriptions
  • Emergency department visit with moderate level of medical decision making (99284)
  • Emergency department visit with low level of medical decision making (99283)
  • Emergency department visit with high level of medical decision making (99285)
95%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.