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Compare the published Medicare service mix of Lillian Forstall Bergeron, O.D. with clinicians in the same registry specialty: Optometrist.

PORT ALLEN, LA · 10 milesEdit location
Within 10 miles · Approximate ZIP-area distance

Approximate straight-line distances between ZIP-area centers; a city search starts from the average of its ZIP centers. Uses the primary reported practice ZIP, not an exact office address or driving distance. Records without matched coordinates are excluded. How distance works

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

Idell Marie Mitchell, O.D.

Optometrist · Baton Rouge, LA

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)
  • Photography of the retina (92250)
88%Service-mix similarity~7.6 milesView profile →

Robert Lucas Patin, O.D.

Optometrist · Baton Rouge, LA

Shared published services
2 shared services · view billing descriptions
  • Established patient complete exam of visual system (92014)
  • Established patient problem focused exam of visual system (92012)
79%Service-mix similarity~7.8 milesView profile →

Lauren L. Dardar, OD

Optometrist · Baton Rouge, LA

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)
66%Service-mix similarity~7.8 milesView profile →

Justin Lee Zachary, OD

Optometrist · Baton Rouge, LA

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)
  • Photography of the retina (92250)
64%Service-mix similarity~7.6 milesView profile →

Adam Christopher Martin, O.D.

Optometrist · Baton Rouge, LA

Shared published services
3 shared services · view billing descriptions
  • Established patient complete exam of visual system (92014)
  • Photography of the retina (92250)
  • New patient complete exam of visual system (92004)
60%Service-mix similarity~7.8 milesView profile →

Carl Joseph Carnaggio, O.D.

Optometrist · Baton Rouge, LA

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)
  • Photography of the retina (92250)
57%Service-mix similarity~7.6 milesView profile →

Hannah Chustz, OD

Optometrist · Baton Rouge, LA

Shared published services
2 shared services · view billing descriptions
  • Established patient complete exam of visual system (92014)
  • Photography of the retina (92250)
34%Service-mix similarity~7.6 milesView profile →

Christine D. Norred, O.D.

Optometrist · Baton Rouge, LA

Shared published services
2 shared services · view billing descriptions
  • Established patient complete exam of visual system (92014)
  • New patient complete exam of visual system (92004)
29%Service-mix similarity~7.6 milesView 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 approximate distance 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.