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Compare the published Medicare service mix of Ifeanyi Samuel Orizu, MD with clinicians in the same registry specialty: Ophthalmology.

MO · Exact areaEdit location

2024 published service data · 195 eligible profiles compared. Similarity describes billing patterns, not quality, outcomes, or suitability for your care.

John Steven Jarstad, M.D.

Ophthalmology · Columbia, MO

Shared published services
3 shared services · view billing descriptions
  • Photography of the retina (92250)
  • Established patient complete exam of visual system (92014)
  • Established patient problem focused exam of visual system (92012)
81%Service-mix similarityView profile →

Warren Patrick Collins, M.D.

Ophthalmology · Springfield, MO

Shared published services
3 shared services · view billing descriptions
  • Photography of the retina (92250)
  • Established patient complete exam of visual system (92014)
  • Injection of drug into eye (67028)
79%Service-mix similarityView profile →

Manuel David Camejo, M.D.

Ophthalmology · Kansas City, MO

Shared published services
3 shared services · view billing descriptions
  • Photography of the retina (92250)
  • Established patient complete exam of visual system (92014)
  • Injection of drug into eye (67028)
79%Service-mix similarityView profile →

Michael S. Korenfeld, MD

Ophthalmology · Washington, MO

Shared published services
3 shared services · view billing descriptions
  • Photography of the retina (92250)
  • Established patient complete exam of visual system (92014)
  • Established patient problem focused exam of visual system (92012)
77%Service-mix similarityView profile →

Steven M Silverstein, MD

Ophthalmology · Kansas City, MO

Shared published services
3 shared services · view billing descriptions
  • Photography of the retina (92250)
  • Established patient complete exam of visual system (92014)
  • Injection of drug into eye (67028)
76%Service-mix similarityView profile →

Douglas O Dehning, MD

Ophthalmology · Independence, MO

Shared published services
3 shared services · view billing descriptions
  • Photography of the retina (92250)
  • Established patient complete exam of visual system (92014)
  • Injection of drug into eye (67028)
75%Service-mix similarityView profile →

Steven Miller Shields, M.D.

Ophthalmology · Chesterfield, MO

Shared published services
3 shared services · view billing descriptions
  • Photography of the retina (92250)
  • Established patient complete exam of visual system (92014)
  • Established patient problem focused exam of visual system (92012)
74%Service-mix similarityView profile →

Shana Widick Rose, M.D.

Ophthalmology · Fenton, MO

Shared published services
3 shared services · view billing descriptions
  • Photography of the retina (92250)
  • Established patient complete exam of visual system (92014)
  • Established patient problem focused exam of visual system (92012)
73%Service-mix similarityView profile →

Ibrahim Osama Sayed-Ahmed, MD MS

Ophthalmology · Chesterfield, MO

Shared published services
3 shared services · view billing descriptions
  • Photography of the retina (92250)
  • Established patient complete exam of visual system (92014)
  • Injection of drug into eye (67028)
73%Service-mix similarityView profile →

Lance L Brown, M.D.

Ophthalmology · Joplin, MO

Shared published services
3 shared services · view billing descriptions
  • Photography of the retina (92250)
  • Established patient complete exam of visual system (92014)
  • Established patient problem focused exam of visual system (92012)
73%Service-mix similarityView profile →

Audrey Deanne Blacklock, MD, PHD

Ophthalmology · N Kansas City, MO

Shared published services
3 shared services · view billing descriptions
  • Photography of the retina (92250)
  • Established patient complete exam of visual system (92014)
  • Established patient problem focused exam of visual system (92012)
72%Service-mix similarityView profile →

Mai Tuyet Pham, MD

Ophthalmology · Columbia, MO

Shared published services
3 shared services · view billing descriptions
  • Photography of the retina (92250)
  • Established patient complete exam of visual system (92014)
  • Established patient problem focused exam of visual system (92012)
72%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.