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Similar work.
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Compare the published Medicare service mix of Lance Aaron O'connor, D.C. with clinicians in the same registry specialty: Chiropractic (CMS).

CA · Exact areaEdit location

2024 published service data · 27 eligible profiles compared. Similarity describes billing patterns, not quality, outcomes, or suitability for your care.

Kamaldeep Singh, D.C

Chiropractic (CMS) · Newport Beach, CA

Shared published services
1 shared services · view billing descriptions
  • Chiropractic manipulative treatment, 3-4 spinal regions (98941)
100%Service-mix similarityView profile →

Christopher Joseph Campagna, DC

Chiropractic (CMS) · Fortuna, CA

Shared published services
1 shared services · view billing descriptions
  • Chiropractic manipulative treatment, 3-4 spinal regions (98941)
100%Service-mix similarityView profile →

Ryan Swink, D.C.

Chiropractic · Family Practice (CMS) · Goleta, CA

Shared published services
1 shared services · view billing descriptions
  • Chiropractic manipulative treatment, 3-4 spinal regions (98941)
100%Service-mix similarityView profile →

Jeffrey Randall Potts, D.C.

Chiropractic (CMS) · San Jose, CA

Shared published services
1 shared services · view billing descriptions
  • Chiropractic manipulative treatment, 3-4 spinal regions (98941)
100%Service-mix similarityView profile →

Chloe Lightner, DC

Chiropractic (CMS) · San Diego, CA

Shared published services
1 shared services · view billing descriptions
  • Chiropractic manipulative treatment, 3-4 spinal regions (98941)
100%Service-mix similarityView profile →

Paul Truong Nguyen, D.C.

Chiropractic (CMS) · Huntington Beach, CA

Shared published services
1 shared services · view billing descriptions
  • Chiropractic manipulative treatment, 3-4 spinal regions (98941)
100%Service-mix similarityView profile →

Terry Wayne Wilson, D.C.

Chiropractic (CMS) · Yorba Linda, CA

Shared published services
1 shared services · view billing descriptions
  • Chiropractic manipulative treatment, 3-4 spinal regions (98941)
100%Service-mix similarityView profile →

Bernard Pare, DC

Chiropractic (CMS) · Los Angeles, CA

Shared published services
1 shared services · view billing descriptions
  • Chiropractic manipulative treatment, 3-4 spinal regions (98941)
100%Service-mix similarityView profile →

Dan Ray Spinato, D.C.

Chiropractic (CMS) · San Diego, CA

Shared published services
1 shared services · view billing descriptions
  • Chiropractic manipulative treatment, 3-4 spinal regions (98941)
100%Service-mix similarityView profile →

Donna Lee Laflamme

Chiropractic (CMS) · Berkeley, CA

Shared published services
1 shared services · view billing descriptions
  • Chiropractic manipulative treatment, 3-4 spinal regions (98941)
100%Service-mix similarityView profile →

Tyler Jones, DC

Chiropractic (CMS) · Laguna Hills, CA

Shared published services
1 shared services · view billing descriptions
  • Chiropractic manipulative treatment, 3-4 spinal regions (98941)
100%Service-mix similarityView profile →

Michael A. Warner, D.C.

Chiropractic (CMS) · Woodland Hills, CA

Shared published services
1 shared services · view billing descriptions
  • Chiropractic manipulative treatment, 3-4 spinal regions (98941)
100%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.