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Compare the published Medicare service mix of Nicholas Ottley, AUD with clinicians in the same registry specialty: Qualified Audiologist (CMS).

CA · Exact areaEdit location

2024 published service data · 314 eligible profiles compared. Similarity describes billing patterns, not quality, outcomes, or suitability for your care.

Wooyong Cho, AU.D

Qualified Audiologist (CMS) · Walnut Creek, CA

Shared published services
3 shared services · view billing descriptions
  • Comprehensive hearing and speech recognition test (92557)
  • Test for eardrum and muscle function (92550)
  • Test to assess middle ear function (92567)
95%Service-mix similarityView profile →

Emily Sereno, AUD

Qualified Audiologist (CMS) · La Jolla, CA

Shared published services
3 shared services · view billing descriptions
  • Comprehensive hearing and speech recognition test (92557)
  • Test for eardrum and muscle function (92550)
  • Test to assess middle ear function (92567)
84%Service-mix similarityView profile →

Charles Ruby, AU.D.

Qualified Audiologist (CMS) · San Diego, CA

Shared published services
3 shared services · view billing descriptions
  • Comprehensive hearing and speech recognition test (92557)
  • Test for eardrum and muscle function (92550)
  • Test to assess middle ear function (92567)
84%Service-mix similarityView profile →

Soheil Sol Marghzar, AU.D.

Qualified Audiologist (CMS) · Culver City, CA

Shared published services
3 shared services · view billing descriptions
  • Comprehensive hearing and speech recognition test (92557)
  • Test for eardrum and muscle function (92550)
  • Test to assess middle ear function (92567)
83%Service-mix similarityView profile →

Renee Lisa Landon-Lane, AUD

Qualified Audiologist (CMS) · San Diego, CA

Shared published services
3 shared services · view billing descriptions
  • Comprehensive hearing and speech recognition test (92557)
  • Test for eardrum and muscle function (92550)
  • Test to assess middle ear function (92567)
82%Service-mix similarityView profile →

Patricia Meaghan Jing-Mei Haber, AU.D., CCC-A, CH-TM

Qualified Audiologist (CMS) · Los Gatos, CA

Shared published services
3 shared services · view billing descriptions
  • Comprehensive hearing and speech recognition test (92557)
  • Test for eardrum and muscle function (92550)
  • Test to assess middle ear function (92567)
82%Service-mix similarityView profile →

Julie O. Johns, AUD

Qualified Audiologist (CMS) · San Diego, CA

Shared published services
3 shared services · view billing descriptions
  • Comprehensive hearing and speech recognition test (92557)
  • Test for eardrum and muscle function (92550)
  • Test to assess middle ear function (92567)
82%Service-mix similarityView profile →

Dena Joy Riso

Qualified Audiologist (CMS) · San Diego, CA

Shared published services
3 shared services · view billing descriptions
  • Comprehensive hearing and speech recognition test (92557)
  • Test for eardrum and muscle function (92550)
  • Test to assess middle ear function (92567)
82%Service-mix similarityView profile →

Janis C. Ryan, CCC-A

Specialty details in registry · La Jolla, CA

Shared published services
3 shared services · view billing descriptions
  • Comprehensive hearing and speech recognition test (92557)
  • Test for eardrum and muscle function (92550)
  • Test to assess middle ear function (92567)
82%Service-mix similarityView profile →

Jayme Fellores, AU.D.

Qualified Audiologist (CMS) · Santa Rosa, CA

Shared published services
3 shared services · view billing descriptions
  • Comprehensive hearing and speech recognition test (92557)
  • Test for eardrum and muscle function (92550)
  • Test to assess middle ear function (92567)
82%Service-mix similarityView profile →

Robin Mary Ramsey, AU.D.

Qualified Audiologist (CMS) · Soquel, CA

Shared published services
3 shared services · view billing descriptions
  • Comprehensive hearing and speech recognition test (92557)
  • Test for eardrum and muscle function (92550)
  • Test to assess middle ear function (92567)
82%Service-mix similarityView profile →

Marin Dimmette-Schweigert, AUD

Qualified Audiologist (CMS) · San Diego, CA

Shared published services
3 shared services · view billing descriptions
  • Comprehensive hearing and speech recognition test (92557)
  • Test for eardrum and muscle function (92550)
  • Test to assess middle ear function (92567)
82%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.