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Similar work.
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Compare the published Medicare service mix of Eric Hsu, MD with clinicians in the same registry specialty: Anesthesiology.

MISSION VIEJO, CA · Exact areaEdit location

2024 published service data · 25 eligible profiles compared. Similarity describes billing patterns, not quality, outcomes, or suitability for your care.

Geoffrey Gonick, MD

Anesthesiology · Mission Viejo, CA

Shared published services
3 shared services · view billing descriptions
  • Anesthesia for lens surgery (00142)
  • Anesthesia for other procedure on large bowel using an endoscope (00811)
  • Anesthesia for procedure on small and large bowel using an endoscope (00813)
98%Service-mix similarityView profile →

John Chang, MD

Anesthesiology · Mission Viejo, CA

Shared published services
3 shared services · view billing descriptions
  • Anesthesia for lens surgery (00142)
  • Anesthesia for other procedure on large bowel using an endoscope (00811)
  • Anesthesia for procedure on small and large bowel using an endoscope (00813)
91%Service-mix similarityView profile →

Steve Wong, MD

Anesthesiology · Mission Viejo, CA

Shared published services
3 shared services · view billing descriptions
  • Anesthesia for lens surgery (00142)
  • Anesthesia for other procedure on large bowel using an endoscope (00811)
  • Anesthesia for procedure on small and large bowel using an endoscope (00813)
84%Service-mix similarityView profile →

Gregory J. Macchio, M.D.

Anesthesiology · Mission Viejo, CA

Shared published services
3 shared services · view billing descriptions
  • Anesthesia for other procedure on large bowel using an endoscope (00811)
  • 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)
82%Service-mix similarityView profile →

Lillian Kim Lee, M.D.

Anesthesiology · Mission Viejo, CA

Shared published services
3 shared services · view billing descriptions
  • Anesthesia for other procedure on large bowel using an endoscope (00811)
  • 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)
82%Service-mix similarityView profile →

Erin Nicole Crawford, M.D.

Anesthesiology · Mission Viejo, CA

Shared published services
3 shared services · view billing descriptions
  • Anesthesia for other procedure on large bowel using an endoscope (00811)
  • 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)
81%Service-mix similarityView profile →

Michelle Takata, MD

Anesthesiology · Mission Viejo, CA

Shared published services
3 shared services · view billing descriptions
  • Anesthesia for other procedure on large bowel using an endoscope (00811)
  • 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)
81%Service-mix similarityView profile →

Greta Jo

Anesthesiology · Mission Viejo, CA

Shared published services
3 shared services · view billing descriptions
  • Anesthesia for other procedure on large bowel using an endoscope (00811)
  • 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)
81%Service-mix similarityView profile →

Xiao Liu, D.O.

Anesthesiology · Mission Viejo, CA

Shared published services
3 shared services · view billing descriptions
  • Anesthesia for other procedure on large bowel using an endoscope (00811)
  • 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)
81%Service-mix similarityView profile →

Henry Ho-Jin Ra, M.D.

Anesthesiology · Mission Viejo, CA

Shared published services
3 shared services · view billing descriptions
  • Anesthesia for lens surgery (00142)
  • 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)
81%Service-mix similarityView profile →

Menaka Ashwini Nageswaran Mentch, MD

Anesthesiology · Mission Viejo, CA

Shared published services
3 shared services · view billing descriptions
  • Anesthesia for lens surgery (00142)
  • Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)
  • Anesthesia for exam of colon using an endoscope (00812)
78%Service-mix similarityView profile →

Perry Eisner, MD

Anesthesiology · Mission Viejo, CA

Shared published services
3 shared services · view billing descriptions
  • Anesthesia for other procedure on large bowel using an endoscope (00811)
  • 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)
69%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.