A DIFFERENT WAY TO EXPLORE

Similar work.
More providers to explore.

Compare the published Medicare service mix of John Andrew Oliver, M.D. with clinicians in the same registry specialty: Diagnostic Radiology (CMS).

AR · Exact areaEdit location

2024 published service data · 184 eligible profiles compared. Similarity describes billing patterns, not quality, outcomes, or suitability for your care.

Jeffrey Hale, MD

Diagnostic Radiology (CMS) · Russellville, AR

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 1 view (71045)
  • Ct scan head or brain without contrast (70450)
  • Screening mammography (77067)
84%Service-mix similarityView profile →

Ronald R Winters, M.D.

Diagnostic Radiology (CMS) · Fort Smith, AR

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 1 view (71045)
  • Ct scan head or brain without contrast (70450)
  • X-ray of chest, 2 views (71046)
83%Service-mix similarityView profile →

William Mark White, MD

Diagnostic Radiology (CMS) · Little Rock, AR

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 1 view (71045)
  • Ct scan head or brain without contrast (70450)
  • Screening mammography (77067)
82%Service-mix similarityView profile →

Jonathan Carl Welsh, M.D.

Diagnostic Radiology (CMS) · Mena, AR

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 1 view (71045)
  • Ct scan head or brain without contrast (70450)
  • Screening mammography (77067)
82%Service-mix similarityView profile →

Daniel E Magill, MD

Diagnostic Radiology (CMS) · Russellville, AR

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 1 view (71045)
  • Ct scan head or brain without contrast (70450)
  • Screening mammography (77067)
81%Service-mix similarityView profile →

Charles Drew Sessions, M.D.

Diagnostic Radiology (CMS) · Little Rock, AR

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 1 view (71045)
  • Ct scan head or brain without contrast (70450)
  • Screening mammography (77067)
81%Service-mix similarityView profile →

Lee Charles Morris, M.D.

Diagnostic Radiology (CMS) · Fort Smith, AR

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 1 view (71045)
  • Ct scan head or brain without contrast (70450)
  • X-ray of chest, 2 views (71046)
81%Service-mix similarityView profile →

Brandon Clark Hicks, M.D.

Diagnostic Radiology (CMS) · Harrison, AR

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 1 view (71045)
  • Ct scan head or brain without contrast (70450)
  • Screening mammography (77067)
81%Service-mix similarityView profile →

Ryan Matthew David, D.O.

Diagnostic Radiology (CMS) · Little Rock, AR

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 1 view (71045)
  • Ct scan head or brain without contrast (70450)
  • Screening mammography (77067)
81%Service-mix similarityView profile →

Barbara N Rodrigues, MD

Diagnostic Radiology (CMS) · Paragould, AR

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 1 view (71045)
  • Ct scan head or brain without contrast (70450)
  • Screening mammography (77067)
81%Service-mix similarityView profile →

Steven L Weiner, M.D.

Diagnostic Radiology (CMS) · Hot Springs, AR

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 1 view (71045)
  • Ct scan head or brain without contrast (70450)
  • Screening mammography (77067)
80%Service-mix similarityView profile →

James L Workman, M.D.

Diagnostic Radiology · Interventional Radiology (CMS) · Pine Bluff, AR

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 1 view (71045)
  • Ct scan head or brain without contrast (70450)
  • Screening mammography (77067)
80%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.