A DIFFERENT WAY TO EXPLORE

Similar work.
More providers to explore.

Compare the published Medicare service mix of Peter John Roffey, M.D. with clinicians in the same registry specialty: Anesthesiology.

LOS ANGELES, CA · Exact areaEdit location

2024 published service data · 337 eligible profiles compared. Similarity describes billing patterns, not quality, outcomes, or suitability for your care.

Roxanne Favis, DO

Anesthesiology · Los Angeles, CA

Shared published services
3 shared services · view billing descriptions
  • Insertion of artery tube for blood sampling or infusion through skin (36620)
  • Critical care, first 30-74 minutes (99291)
  • Ultrasound of heart with probe in esophagus, with report (93312)
75%Service-mix similarityView profile →

Allison Marie Moriarty, MD

Anesthesiology · Los Angeles, CA

Shared published services
3 shared services · view billing descriptions
  • Insertion of artery tube for blood sampling or infusion through skin (36620)
  • Ultrasound of heart with probe in esophagus, with report (93312)
  • Ultrasound of heart blood flow, valves and chambers (93320)
74%Service-mix similarityView profile →

Marisa Elena Hernandez-Morgan, MD

Anesthesiology · Los Angeles, CA

Shared published services
3 shared services · view billing descriptions
  • Insertion of artery tube for blood sampling or infusion through skin (36620)
  • Critical care, first 30-74 minutes (99291)
  • Ultrasound of heart with probe in esophagus, with report (93312)
73%Service-mix similarityView profile →

Krisztina Elise Escallier, M.D.

Anesthesiology · Los Angeles, CA

Shared published services
2 shared services · view billing descriptions
  • Insertion of artery tube for blood sampling or infusion through skin (36620)
  • Critical care, first 30-74 minutes (99291)
65%Service-mix similarityView profile →

John Leo Anderson-Dam, M.D.

Anesthesiology · Los Angeles, CA

Shared published services
3 shared services · view billing descriptions
  • Insertion of artery tube for blood sampling or infusion through skin (36620)
  • Ultrasound of heart with probe in esophagus, with report (93312)
  • Ultrasound of heart blood flow, valves and chambers (93320)
65%Service-mix similarityView profile →

Garret Heiichi Hai-Ming Chan, MD

Anesthesiology · Los Angeles, CA

Shared published services
3 shared services · view billing descriptions
  • Insertion of artery tube for blood sampling or infusion through skin (36620)
  • Ultrasound of heart with probe in esophagus, with report (93312)
  • Ultrasound of heart blood flow, valves and chambers (93320)
64%Service-mix similarityView profile →

Garry P. Dieter, MD

Anesthesiology · Los Angeles, CA

Shared published services
3 shared services · view billing descriptions
  • Insertion of artery tube for blood sampling or infusion through skin (36620)
  • Critical care, first 30-74 minutes (99291)
  • Ultrasound of heart with probe in esophagus, with report (93312)
62%Service-mix similarityView profile →

Jure Marijic, MD

Anesthesiology · Los Angeles, CA

Shared published services
3 shared services · view billing descriptions
  • Insertion of artery tube for blood sampling or infusion through skin (36620)
  • Ultrasound of heart with probe in esophagus, with report (93312)
  • Ultrasound of heart blood flow, valves and chambers (93320)
61%Service-mix similarityView profile →

Jayeshkumar Patel, M.D.

Anesthesiology · Los Angeles, CA

Shared published services
3 shared services · view billing descriptions
  • Insertion of artery tube for blood sampling or infusion through skin (36620)
  • Ultrasound of heart with probe in esophagus, with report (93312)
  • Ultrasound of heart blood flow, valves and chambers (93320)
58%Service-mix similarityView profile →

Albert Lee, MD

Anesthesiology · Los Angeles, CA

Shared published services
2 shared services · view billing descriptions
  • Insertion of artery tube for blood sampling or infusion through skin (36620)
  • Critical care, first 30-74 minutes (99291)
58%Service-mix similarityView profile →

Alireza Cyrus Farrohi, M.D.

Anesthesiology · Los Angeles, CA

Shared published services
3 shared services · view billing descriptions
  • Insertion of artery tube for blood sampling or infusion through skin (36620)
  • Ultrasound of heart with probe in esophagus, with report (93312)
  • Ultrasound of heart blood flow, valves and chambers (93320)
58%Service-mix similarityView profile →

Michael W. Wolfe, MD

Anesthesiology · Los Angeles, CA

Shared published services
3 shared services · view billing descriptions
  • Insertion of artery tube for blood sampling or infusion through skin (36620)
  • Critical care, first 30-74 minutes (99291)
  • Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)
57%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.