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Compare the published Medicare service mix of Peter D Bekendam, MD with clinicians in the same registry specialty: Ophthalmology.

UPLAND, CA · Exact areaEdit location

2024 published service data · 10 eligible profiles compared. Similarity describes billing patterns, not quality, outcomes, or suitability for your care.

Ryan Gregory Smith, MD

Ophthalmology · Upland, CA

Shared published services
3 shared services · view billing descriptions
  • Established patient complete exam of visual system (92014)
  • Established patient problem focused exam of visual system (92012)
  • Measurement of corneal curvature and depth of eye (92136)
91%Service-mix similarityView profile →

Andrea Sheryl Janelle Ching, M.D.

Ophthalmology · Upland, CA

Shared published services
3 shared services · view billing descriptions
  • Established patient complete exam of visual system (92014)
  • Established patient problem focused exam of visual system (92012)
  • Measurement of corneal curvature and depth of eye (92136)
90%Service-mix similarityView profile →

Richmond Emmerson Roeske, M.D.

Ophthalmology · Upland, CA

Shared published services
3 shared services · view billing descriptions
  • Established patient complete exam of visual system (92014)
  • Established patient problem focused exam of visual system (92012)
  • Measurement of corneal curvature and depth of eye (92136)
87%Service-mix similarityView profile →

Edward Stephen Yung, M.D.

Ophthalmology · Upland, CA

Shared published services
3 shared services · view billing descriptions
  • Established patient complete exam of visual system (92014)
  • Established patient problem focused exam of visual system (92012)
  • Measurement of corneal curvature and depth of eye (92136)
84%Service-mix similarityView profile →

Pamela Bekendam, M.D.

Ophthalmology · Upland, CA

Shared published services
3 shared services · view billing descriptions
  • Established patient complete exam of visual system (92014)
  • Established patient problem focused exam of visual system (92012)
  • Imaging of optic nerve (92133)
74%Service-mix similarityView profile →

Julie Anne King, M.D.

Ophthalmology · Upland, CA

Shared published services
3 shared services · view billing descriptions
  • Established patient complete exam of visual system (92014)
  • Established patient problem focused exam of visual system (92012)
  • New patient complete exam of visual system (92004)
61%Service-mix similarityView profile →

Marc Howard Shomer, M.D., PH.D.

Ophthalmology · Upland, CA

Shared published services
3 shared services · view billing descriptions
  • Established patient complete exam of visual system (92014)
  • Established patient problem focused exam of visual system (92012)
  • Measurement of corneal curvature and depth of eye (92136)
58%Service-mix similarityView profile →

Kweku Grant-Acquah, M.D.

Ophthalmology · Upland, CA

Shared published services
3 shared services · view billing descriptions
  • Established patient complete exam of visual system (92014)
  • Measurement of corneal curvature and depth of eye (92136)
  • Removal of cataract with insertion of prosthetic lens (66984)
52%Service-mix similarityView profile →

Siddharth Bhargava, MD

Ophthalmology · Upland, CA

Shared published services
1 shared services · view billing descriptions
  • Exam of visual field with extended testing (92083)
20%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.