A DIFFERENT WAY TO EXPLORE

Similar work.
More providers to explore.

Compare the published Medicare service mix of Todd Patrick Williams, M.D. with clinicians in the same registry specialty: Pathology (CMS).

PORTLAND, OR · Exact areaEdit location

2024 published service data · 50 eligible profiles compared. Similarity describes billing patterns, not quality, outcomes, or suitability for your care.

Jennifer Beth Dunlap, M.D.

Pathology (CMS) · Portland, OR

Shared published services
3 shared services · view billing descriptions
  • Protein measurement, serum (84165)
  • Special stained specimen slides to examine tissue, each additional procedure (88341)
  • Immunologic analysis technique on serum (immunofixation) (86334)
92%Service-mix similarityView profile →

Philipp Werner Raess, MD, PHD

Pathology (CMS) · Portland, OR

Shared published services
3 shared services · view billing descriptions
  • Protein measurement, serum (84165)
  • Special stained specimen slides to examine tissue, each additional procedure (88341)
  • Immunologic analysis technique on serum (immunofixation) (86334)
91%Service-mix similarityView profile →

Wei Xie, M.D.

Pathology (CMS) · Portland, OR

Shared published services
3 shared services · view billing descriptions
  • Protein measurement, serum (84165)
  • Special stained specimen slides to examine tissue, each additional procedure (88341)
  • Immunologic analysis technique on serum (immunofixation) (86334)
90%Service-mix similarityView profile →

Ken Marcus Gatter, MD

Pathology (CMS) · Portland, OR

Shared published services
3 shared services · view billing descriptions
  • Special stained specimen slides to examine tissue, each additional procedure (88341)
  • Pathology examination of tissue using a microscope, intermediate complexity (88305)
  • Flow cytometry technique for dna or cell analysis, 16 or more markers (88189)
80%Service-mix similarityView profile →

Joanna Wiszniewska, M.D.

Pathology (CMS) · Portland, OR

Shared published services
3 shared services · view billing descriptions
  • Special stained specimen slides to examine tissue, each additional procedure (88341)
  • Pathology examination of tissue using a microscope, intermediate complexity (88305)
  • Flow cytometry technique for dna or cell analysis, 16 or more markers (88189)
78%Service-mix similarityView profile →

Jason Karl Hyde, MD

Pathology (CMS) · Portland, OR

Shared published services
3 shared services · view billing descriptions
  • Protein measurement, serum (84165)
  • Special stained specimen slides to examine tissue, each additional procedure (88341)
  • Immunologic analysis technique on serum (immunofixation) (86334)
72%Service-mix similarityView profile →

Nathan Joseph Paulson, MD

Pathology (CMS) · Portland, OR

Shared published services
3 shared services · view billing descriptions
  • Protein measurement, serum (84165)
  • Special stained specimen slides to examine tissue, each additional procedure (88341)
  • Pathology examination of tissue using a microscope, intermediate complexity (88305)
65%Service-mix similarityView profile →

Xiaohua Wang, M.D.

Pathology (CMS) · Portland, OR

Shared published services
3 shared services · view billing descriptions
  • Special stained specimen slides to examine tissue, each additional procedure (88341)
  • Pathology examination of tissue using a microscope, intermediate complexity (88305)
  • Flow cytometry technique for dna or cell analysis, 16 or more markers (88189)
62%Service-mix similarityView profile →

Sarah Walter, MD

Pathology (CMS) · Portland, OR

Shared published services
3 shared services · view billing descriptions
  • Protein measurement, serum (84165)
  • Special stained specimen slides to examine tissue, each additional procedure (88341)
  • Immunologic analysis technique on serum (immunofixation) (86334)
61%Service-mix similarityView profile →

Carmen R Winters, MD

Pathology (CMS) · Portland, OR

Shared published services
3 shared services · view billing descriptions
  • Protein measurement, serum (84165)
  • Special stained specimen slides to examine tissue, each additional procedure (88341)
  • Immunologic analysis technique on serum (immunofixation) (86334)
61%Service-mix similarityView profile →

Brian N. Werstein

Pathology (CMS) · Portland, OR

Shared published services
3 shared services · view billing descriptions
  • Protein measurement, serum (84165)
  • Special stained specimen slides to examine tissue, each additional procedure (88341)
  • Immunologic analysis technique on serum (immunofixation) (86334)
60%Service-mix similarityView profile →

Matthew Carstens Frank, M.D.

Pathology (CMS) · Portland, OR

Shared published services
3 shared services · view billing descriptions
  • Special stained specimen slides to examine tissue, each additional procedure (88341)
  • Pathology examination of tissue using a microscope, intermediate complexity (88305)
  • Special stained specimen slides to examine tissue, initial procedure (88342)
59%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.