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Similar work.
More providers to explore.

Compare the published Medicare service mix of Alan Barry Klein, MD with clinicians in the same registry specialty: Internal Medicine.

LOUISVILLE, KY · Exact areaEdit location

2024 published service data · 282 eligible profiles compared. Similarity describes billing patterns, not quality, outcomes, or suitability for your care.

Robert Cory Lucas, M.D.

Internal Medicine · Louisville, KY

Shared published services
2 shared services · view billing descriptions
  • Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes (99349)
  • Advance care planning, first 30 minutes (99497)
47%Service-mix similarityView profile →

Vani Nadar, MD

Internal Medicine · Louisville, KY

Shared published services
1 shared services · view billing descriptions
  • Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)
45%Service-mix similarityView profile →

Ashley Anne Hammerbeck, M.D.

Internal Medicine · Louisville, KY

Shared published services
2 shared services · view billing descriptions
  • Telephone medical discussion with physician, 21-30 minutes (99443)
  • Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)
38%Service-mix similarityView profile →

Leon Everett Butler, M.D.

Internal Medicine · Louisville, KY

Shared published services
2 shared services · view billing descriptions
  • Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)
  • Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit (G0438)
33%Service-mix similarityView profile →

Clara Ann Pallares, MD

Internal Medicine · Louisville, KY

Shared published services
2 shared services · view billing descriptions
  • Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)
  • Advance care planning, first 30 minutes (99497)
31%Service-mix similarityView profile →

Mark A. Williams, M.D.

Internal Medicine · Louisville, KY

Shared published services
2 shared services · view billing descriptions
  • Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)
  • Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit (G0438)
29%Service-mix similarityView profile →

Rejith Paily, M.D.

Internal Medicine · Louisville, KY

Shared published services
3 shared services · view billing descriptions
  • Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)
  • Advance care planning, first 30 minutes (99497)
  • Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit (G0438)
27%Service-mix similarityView profile →

Carmel Joy Person, MD

Internal Medicine · Louisville, KY

Shared published services
3 shared services · view billing descriptions
  • Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes (99349)
  • Advance care planning, first 30 minutes (99497)
  • Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes (99348)
26%Service-mix similarityView profile →

Lawrence D. Loehle, M.D.

Internal Medicine · Louisville, KY

Shared published services
2 shared services · view billing descriptions
  • Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)
  • Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit (G0438)
25%Service-mix similarityView profile →

Christian Matar

Internal Medicine · Louisville, KY

Shared published services
2 shared services · view billing descriptions
  • Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)
  • Advance care planning, first 30 minutes (99497)
24%Service-mix similarityView profile →

Christin E Honaker, MD

Internal Medicine · Louisville, KY

Shared published services
2 shared services · view billing descriptions
  • Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)
  • Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit (G0438)
24%Service-mix similarityView profile →

Mohana Rao Arla, MD

Internal Medicine · Louisville, KY

Shared published services
3 shared services · view billing descriptions
  • Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)
  • Advance care planning, first 30 minutes (99497)
  • Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit (G0438)
24%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.