A DIFFERENT WAY TO EXPLORE

Similar work.
More providers to explore.

Compare the published Medicare service mix of Han-Chih Chang, M.D. with clinicians in the same registry specialty: Radiation Oncology (CMS).

NASHVILLE, TN · Exact areaEdit location

2024 published service data · 28 eligible profiles compared. Similarity describes billing patterns, not quality, outcomes, or suitability for your care.

Anthony Cmelak, MD

Radiation Oncology (CMS) · Nashville, TN

Shared published services
3 shared services · view billing descriptions
  • Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy (G6002)
  • Design and construction of complex radiation treatment device (77334)
  • Continuing radiation therapy consultation per week (77336)
71%Service-mix similarityView profile →

Corbin R Johnson, MD

Radiation Oncology (CMS) · Nashville, TN

Shared published services
3 shared services · view billing descriptions
  • Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy (G6002)
  • Design and construction of complex radiation treatment device (77334)
  • Continuing radiation therapy consultation per week (77336)
70%Service-mix similarityView profile →

Kenneth Niermann, MD

Radiation Oncology (CMS) · Nashville, TN

Shared published services
3 shared services · view billing descriptions
  • Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy (G6002)
  • Design and construction of complex radiation treatment device (77334)
  • Continuing radiation therapy consultation per week (77336)
69%Service-mix similarityView profile →

Zachary Adam Kohutek, M.D., PH.D.

Radiation Oncology (CMS) · Nashville, TN

Shared published services
3 shared services · view billing descriptions
  • Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy (G6002)
  • Design and construction of complex radiation treatment device (77334)
  • Continuing radiation therapy consultation per week (77336)
66%Service-mix similarityView profile →

Anuradha Chakravarthy

Radiation Oncology (CMS) · Nashville, TN

Shared published services
3 shared services · view billing descriptions
  • Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy (G6002)
  • Design and construction of complex radiation treatment device (77334)
  • Radiation treatment management, 5 treatment sessions (77427)
63%Service-mix similarityView profile →

Dakim Gaines

Radiation Oncology (CMS) · Nashville, TN

Shared published services
3 shared services · view billing descriptions
  • Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy (G6002)
  • Design and construction of complex radiation treatment device (77334)
  • Continuing radiation therapy consultation per week (77336)
62%Service-mix similarityView profile →

Natalie Ausborn Lockney, M.D.

Radiation Oncology (CMS) · Nashville, TN

Shared published services
3 shared services · view billing descriptions
  • Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy (G6002)
  • Design and construction of complex radiation treatment device (77334)
  • Continuing radiation therapy consultation per week (77336)
61%Service-mix similarityView profile →

Eleanor Marshall Osborne, M.D.

Radiation Oncology (CMS) · Nashville, TN

Shared published services
3 shared services · view billing descriptions
  • Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy (G6002)
  • Design and construction of complex radiation treatment device (77334)
  • Radiation treatment management, 5 treatment sessions (77427)
61%Service-mix similarityView profile →

Dong W Kim, M.D.

Radiation Oncology (CMS) · Nashville, TN

Shared published services
3 shared services · view billing descriptions
  • Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy (G6002)
  • Design and construction of complex radiation treatment device (77334)
  • Continuing radiation therapy consultation per week (77336)
61%Service-mix similarityView profile →

Todd Tenenholz, MD

Radiation Oncology (CMS) · Nashville, TN

Shared published services
3 shared services · view billing descriptions
  • Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy (G6002)
  • Design and construction of complex radiation treatment device (77334)
  • Radiation treatment management, 5 treatment sessions (77427)
61%Service-mix similarityView profile →

Sean All, MD

Radiation Oncology (CMS) · Nashville, TN

Shared published services
3 shared services · view billing descriptions
  • Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy (G6002)
  • Design and construction of complex radiation treatment device (77334)
  • Radiation treatment management, 5 treatment sessions (77427)
60%Service-mix similarityView profile →

James Ronald Gray, M.D.

Radiation Oncology (CMS) · Nashville, TN

Shared published services
3 shared services · view billing descriptions
  • Intermediate proton beam radiation treatment (77523)
  • Design and construction of complex radiation treatment device (77334)
  • Continuing radiation therapy consultation per week (77336)
60%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.