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Similar work.
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Compare the published Medicare service mix of Bailey Yuguan Shen, MD with clinicians in the same registry specialty: Ophthalmology (CMS).

CA · Exact areaEdit location

2024 published service data · 179 eligible profiles compared. Similarity describes billing patterns, not quality, outcomes, or suitability for your care.

Stavros N. Moysidis, M.D.

Ophthalmology (CMS) · Encino, CA

Shared published services
3 shared services · view billing descriptions
  • Imaging of retina (92134)
  • Established patient complete exam of visual system (92014)
  • Injection of drug into eye (67028)
88%Service-mix similarityView profile →

Darren Knight, MD

Ophthalmology (CMS) · Long Beach, CA

Shared published services
3 shared services · view billing descriptions
  • Imaging of retina (92134)
  • Established patient complete exam of visual system (92014)
  • Injection of drug into eye (67028)
88%Service-mix similarityView profile →

Anthony M Debeus, MD

Ophthalmology (CMS) · Long Beach, CA

Shared published services
3 shared services · view billing descriptions
  • Imaging of retina (92134)
  • Established patient complete exam of visual system (92014)
  • Injection of drug into eye (67028)
88%Service-mix similarityView profile →

Paul A Blacharski, M.D.

Ophthalmology (CMS) · Menifee, CA

Shared published services
3 shared services · view billing descriptions
  • Imaging of retina (92134)
  • Established patient complete exam of visual system (92014)
  • Injection of drug into eye (67028)
86%Service-mix similarityView profile →

Yingna Liu, MD

Ophthalmology (CMS) · Tracy, CA

Shared published services
3 shared services · view billing descriptions
  • Imaging of retina (92134)
  • Established patient complete exam of visual system (92014)
  • Injection of drug into eye (67028)
85%Service-mix similarityView profile →

Denise Kayser, M.D.

Ophthalmology (CMS) · Santa Rosa, CA

Shared published services
3 shared services · view billing descriptions
  • Imaging of retina (92134)
  • Established patient complete exam of visual system (92014)
  • Injection of drug into eye (67028)
85%Service-mix similarityView profile →

Moritz Sebastian Pettenkofer, MD

Ophthalmology (CMS) · Los Angeles, CA

Shared published services
3 shared services · view billing descriptions
  • Imaging of retina (92134)
  • Established patient complete exam of visual system (92014)
  • Injection of drug into eye (67028)
85%Service-mix similarityView profile →

Michael J Davis, MD

Ophthalmology (CMS) · Pomona, CA

Shared published services
3 shared services · view billing descriptions
  • Imaging of retina (92134)
  • Established patient complete exam of visual system (92014)
  • Injection of drug into eye (67028)
85%Service-mix similarityView profile →

Vitaliy Zak, M.D.

Ophthalmology (CMS) · Palm Desert, CA

Shared published services
3 shared services · view billing descriptions
  • Imaging of retina (92134)
  • Established patient complete exam of visual system (92014)
  • Injection of drug into eye (67028)
85%Service-mix similarityView profile →

Caesar Kyle Luo, M.D.

Ophthalmology (CMS) · Walnut Creek, CA

Shared published services
3 shared services · view billing descriptions
  • Imaging of retina (92134)
  • Established patient complete exam of visual system (92014)
  • Injection of drug into eye (67028)
84%Service-mix similarityView profile →

Tuow Daniel Ting, M.D.,PH.D.

Ophthalmology (CMS) · Oakland, CA

Shared published services
3 shared services · view billing descriptions
  • Imaging of retina (92134)
  • Established patient complete exam of visual system (92014)
  • Injection of drug into eye (67028)
84%Service-mix similarityView profile →

Steven A. Harrison, M.D.

Ophthalmology (CMS) · Walnut Creek, CA

Shared published services
3 shared services · view billing descriptions
  • Imaging of retina (92134)
  • Established patient complete exam of visual system (92014)
  • Injection of drug into eye (67028)
84%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.