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Compare the published Medicare service mix of Michael A Greenberg, M.D. with clinicians in the same registry specialty: Dermatology.

IL · Exact areaEdit location

2024 published service data · 404 eligible profiles compared. Similarity describes billing patterns, not quality, outcomes, or suitability for your care.

Sarah Kasprowicz, M.D.

Dermatology · Skokie, IL

Shared published services
3 shared services · view billing descriptions
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
  • Biopsy of related skin growth, each additional growth (11103)
93%Service-mix similarityView profile →

Jaime Beth Alexander, M.D.

Dermatology · Skokie, IL

Shared published services
3 shared services · view billing descriptions
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
  • Biopsy of related skin growth, each additional growth (11103)
91%Service-mix similarityView profile →

Emily Lenczowski Konopka, MD

Dermatology · Springfield, IL

Shared published services
3 shared services · view billing descriptions
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
  • Biopsy of related skin growth, each additional growth (11103)
91%Service-mix similarityView profile →

Krisanne Sisto, M.D.

Dermatology · Glen Ellyn, IL

Shared published services
3 shared services · view billing descriptions
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
  • Biopsy of related skin growth, each additional growth (11103)
90%Service-mix similarityView profile →

Catherine M Dudley, MD

Dermatology · Aurora, IL

Shared published services
3 shared services · view billing descriptions
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
  • Biopsy of related skin growth, each additional growth (11103)
90%Service-mix similarityView profile →

Reshma Nair Haugen, M.D.

Dermatology · Elgin, IL

Shared published services
3 shared services · view billing descriptions
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
  • Biopsy of related skin growth, each additional growth (11103)
90%Service-mix similarityView profile →

Brittany Noel Blaise, MD

Dermatology · Springfield, IL

Shared published services
3 shared services · view billing descriptions
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
  • Biopsy of related skin growth, each additional growth (11103)
89%Service-mix similarityView profile →

Debra Babich, M.D.

Dermatology · Decatur, IL

Shared published services
3 shared services · view billing descriptions
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
  • Biopsy of related skin growth, each additional growth (11103)
89%Service-mix similarityView profile →

Regina O'brien, M.D.

Dermatology · Chicago, IL

Shared published services
3 shared services · view billing descriptions
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
  • Biopsy of related skin growth, each additional growth (11103)
89%Service-mix similarityView profile →

Ashley Nicole Millard-Garcia, M.D.

Dermatology · Evanston, IL

Shared published services
3 shared services · view billing descriptions
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
  • Biopsy of related skin growth, each additional growth (11103)
89%Service-mix similarityView profile →

Ronald Stuart Berne, MD

Dermatology · Chicago, IL

Shared published services
3 shared services · view billing descriptions
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
  • Biopsy of related skin growth, each additional growth (11103)
89%Service-mix similarityView profile →

Mark Hoffman

Dermatology · Chicago, IL

Shared published services
3 shared services · view billing descriptions
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
  • Biopsy of related skin growth, each additional growth (11103)
88%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.