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Compare the published Medicare service mix of Shereen Juhsun Chang, MD with clinicians in the same registry specialty: Neurology.

CEDAR RAPIDS, IA · Exact areaEdit location

2024 published service data · 5 eligible profiles compared. Similarity describes billing patterns, not quality, outcomes, or suitability for your care.

Thomas M Rogers, DO

Neurology · Cedar Rapids, IA

Shared published services
3 shared services · view billing descriptions
  • Needle measurement of electrical activity in arm or leg muscles, complete study (95886)
  • Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)
  • Nerve conduction, 3-4 studies (95908)
66%Service-mix similarityView profile →

Robert John Struthers, MD

Neurology · Cedar Rapids, IA

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)
  • Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)
  • New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)
61%Service-mix similarityView profile →

Stephanie Colleen Jackson, M.D.

Neurology · Cedar Rapids, IA

Shared published services
3 shared services · view billing descriptions
  • Needle measurement of electrical activity in arm or leg muscles, complete study (95886)
  • Nerve conduction, 3-4 studies (95908)
  • Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)
54%Service-mix similarityView profile →

Scott Donald Geisler, MD

Neurology · Cedar Rapids, IA

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)
  • New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)
  • New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)
46%Service-mix similarityView profile →

Winthrop S Risk, MD

Neurology · Cedar Rapids, IA

Shared published services
2 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)
21%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.