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Compare the published Medicare service mix of Owen Chan, MD, PHD with clinicians in the same registry specialty: Pathology (CMS).

AIEA, HI · 10 milesEdit location
Within 10 miles · Approximate ZIP-area distance

Approximate straight-line distances between ZIP-area centers; a city search starts from the average of its ZIP centers. Uses the primary reported practice ZIP, not an exact office address or driving distance. Records without matched coordinates are excluded. How distance works

2024 published service data · 25 eligible profiles compared. Similarity describes billing patterns, not quality, outcomes, or suitability for your care.

Wichit Sae-Ow, M.D.

Pathology (CMS) · Honolulu, HI

Shared published services
3 shared services · view billing descriptions
  • Pathology examination of tissue using a microscope, intermediate complexity (88305)
  • Special stained specimen slides to examine tissue, each additional procedure (88341)
  • Flow cytometry technique for dna or cell analysis, each additional marker (88185)
68%Service-mix similarity~7.3 milesView profile →

Hiroko Shinoda, M.D.

Pathology (CMS) · Honolulu, HI

Shared published services
3 shared services · view billing descriptions
  • Pathology examination of tissue using a microscope, intermediate complexity (88305)
  • Special stained specimen slides to examine tissue, each additional procedure (88341)
  • Flow cytometry technique for dna or cell analysis, each additional marker (88185)
67%Service-mix similarity~7.3 milesView profile →

Chelestes Lee Kanoelehua Grace, M.D.

Pathology (CMS) · Honolulu, HI

Shared published services
3 shared services · view billing descriptions
  • Pathology examination of tissue using a microscope, intermediate complexity (88305)
  • Special stained specimen slides to examine tissue, each additional procedure (88341)
  • Special stained specimen slides to examine tissue, initial procedure (88342)
58%Service-mix similarity~7.3 milesView profile →

Ying Cao, M.D., PH.D

Pathology (CMS) · Honolulu, HI

Shared published services
3 shared services · view billing descriptions
  • Pathology examination of tissue using a microscope, intermediate complexity (88305)
  • Special stained specimen slides to examine tissue, each additional procedure (88341)
  • Special stained specimen slides to examine tissue, initial procedure (88342)
58%Service-mix similarity~7.3 milesView profile →

Tomomi Yafuso, M.D.

Pathology (CMS) · Honolulu, HI

Shared published services
3 shared services · view billing descriptions
  • Pathology examination of tissue using a microscope, intermediate complexity (88305)
  • Special stained specimen slides to examine tissue, each additional procedure (88341)
  • Special stained specimen slides to examine tissue, initial procedure (88342)
57%Service-mix similarity~7.3 milesView profile →

Casey Marie Phan, MD

Pathology (CMS) · Honolulu, HI

Shared published services
3 shared services · view billing descriptions
  • Pathology examination of tissue using a microscope, intermediate complexity (88305)
  • Special stained specimen slides to examine tissue, each additional procedure (88341)
  • Special stained specimen slides to examine tissue, initial procedure (88342)
57%Service-mix similarity~7.3 milesView profile →

Koah Robin Vierkoetter, MD

Pathology (CMS) · Honolulu, HI

Shared published services
3 shared services · view billing descriptions
  • Pathology examination of tissue using a microscope, intermediate complexity (88305)
  • Special stained specimen slides to examine tissue, each additional procedure (88341)
  • Special stained specimen slides to examine tissue, initial procedure (88342)
57%Service-mix similarity~7.3 milesView profile →

Natalia Markova Zagorski, M.D.

Pathology (CMS) · Honolulu, HI

Shared published services
3 shared services · view billing descriptions
  • Pathology examination of tissue using a microscope, intermediate complexity (88305)
  • Special stained specimen slides to examine tissue, each additional procedure (88341)
  • Special stained specimen slides to examine tissue, initial procedure (88342)
56%Service-mix similarity~7.3 milesView profile →

Pamela Tauchi-Nishi

Pathology (CMS) · Honolulu, HI

Shared published services
3 shared services · view billing descriptions
  • Pathology examination of tissue using a microscope, intermediate complexity (88305)
  • Special stained specimen slides to examine tissue, each additional procedure (88341)
  • Special stained specimen slides to examine tissue, initial procedure (88342)
55%Service-mix similarity~7.3 milesView profile →

Cassie Lee, M.D.

Pathology (CMS) · Honolulu, HI

Shared published services
3 shared services · view billing descriptions
  • Pathology examination of tissue using a microscope, intermediate complexity (88305)
  • Special stained specimen slides to examine tissue, each additional procedure (88341)
  • Special stained specimen slides to examine tissue, initial procedure (88342)
53%Service-mix similarity~6.3 milesView profile →

Ana M Ortega Lopez, M.D.

Pathology (CMS) · Honolulu, HI

Shared published services
3 shared services · view billing descriptions
  • Pathology examination of tissue using a microscope, intermediate complexity (88305)
  • Protein measurement, serum (84165)
  • Special stained specimen slides to examine tissue, each additional procedure (88341)
51%Service-mix similarity~7.3 milesView profile →

Janira Marita Navarro Sanchez, MD

Pathology (CMS) · Honolulu, HI

Shared published services
3 shared services · view billing descriptions
  • Pathology examination of tissue using a microscope, intermediate complexity (88305)
  • Special stained specimen slides to examine tissue, each additional procedure (88341)
  • Special stained specimen slides to examine tissue, initial procedure (88342)
48%Service-mix similarity~7.3 milesView 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 approximate distance 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.