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Compare the published Medicare service mix of Joel Aaron Westrum, O.D. with clinicians in the same registry specialty: Optometrist.

IA · Exact areaEdit location

2024 published service data · 463 eligible profiles compared. Similarity describes billing patterns, not quality, outcomes, or suitability for your care.

Heath Kelly Eckhart, O.D.

Optometrist · Newton, IA

Shared published services
2 shared services · view billing descriptions
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
  • Photography of the retina (92250)
100%Service-mix similarityView profile →

Kristina Nicole Wittrock, O.D.

Optometrist · West Des Moines, IA

Shared published services
2 shared services · view billing descriptions
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
  • Photography of the retina (92250)
100%Service-mix similarityView profile →

Robert Thomas Kingus, O.D.

Optometrist · Cedar Rapids, IA

Shared published services
2 shared services · view billing descriptions
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
  • Photography of the retina (92250)
99%Service-mix similarityView profile →

Sam Chadwell Kang, O.D. (OPTOMETRIST)

Optometrist · Cedar Rapids, IA

Shared published services
2 shared services · view billing descriptions
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
  • Photography of the retina (92250)
89%Service-mix similarityView profile →

Samer N Arafat, OD

Optometrist · Cedar Rapids, IA

Shared published services
2 shared services · view billing descriptions
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
  • Photography of the retina (92250)
83%Service-mix similarityView profile →

Lisa R. Brooks, OD

Optometrist · Ankeny, IA

Shared published services
2 shared services · view billing descriptions
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
  • Photography of the retina (92250)
78%Service-mix similarityView profile →

Samuel P Whitmore, OD

Optometrist · Urbandale, IA

Shared published services
1 shared services · view billing descriptions
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
76%Service-mix similarityView profile →

Daniel E Draayer, OD

Optometrist · Marshalltown, IA

Shared published services
1 shared services · view billing descriptions
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
76%Service-mix similarityView profile →

Jerome Richard Greenberg, OD

Optometrist · Des Moines, IA

Shared published services
2 shared services · view billing descriptions
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
  • Photography of the retina (92250)
74%Service-mix similarityView profile →

Michael E Bush, O.D.

Optometrist · Burlington, IA

Shared published services
2 shared services · view billing descriptions
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
  • Photography of the retina (92250)
71%Service-mix similarityView profile →

Terry Donn Moehnke, O.D.

Optometrist · Fort Dodge, IA

Shared published services
2 shared services · view billing descriptions
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
  • Photography of the retina (92250)
70%Service-mix similarityView profile →

Brenda Sue Lovik Mccardle, O.D.

Optometrist · Mason City, IA

Shared published services
2 shared services · view billing descriptions
  • Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)
  • Photography of the retina (92250)
70%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.