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Compare the published Medicare service mix of Frank R Graybeal, M. D. with clinicians in the same registry specialty: Diagnostic Radiology (CMS).

BELHAVEN, NC · 50 milesEdit location
Within 50 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 · 60 eligible profiles compared. Similarity describes billing patterns, not quality, outcomes, or suitability for your care.

Eric James Finical, MD

Diagnostic Radiology (CMS) · Greenville, NC

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 2 views (71046)
  • X-ray of chest, 1 view (71045)
  • X-ray of knee, 3 views (73562)
67%Service-mix similarity~44.3 milesView profile →

Gregg David Schubach, M.D.

Diagnostic Radiology · Nuclear Medicine (CMS) · Greenville, NC

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 2 views (71046)
  • X-ray of chest, 1 view (71045)
  • X-ray of knee, 3 views (73562)
57%Service-mix similarity~44.3 milesView profile →

John Edward Wahlen, M.D.

Diagnostic Radiology (CMS) · Greenville, NC

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 2 views (71046)
  • X-ray of chest, 1 view (71045)
  • X-ray of knee, 3 views (73562)
56%Service-mix similarity~44.3 milesView profile →

Angelle Simon Harper, MD

Diagnostic Radiology (CMS) · Greenville, NC

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 2 views (71046)
  • X-ray of chest, 1 view (71045)
  • X-ray of knee, 3 views (73562)
55%Service-mix similarity~44.3 milesView profile →

Keith Garrett Begelman, MD

Diagnostic Radiology (CMS) · Greenville, NC

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 2 views (71046)
  • X-ray of chest, 1 view (71045)
  • X-ray of knee, 3 views (73562)
55%Service-mix similarity~44.3 milesView profile →

Rosemary Helen Tulloh, MD

Diagnostic Radiology (CMS) · Greenville, NC

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 2 views (71046)
  • X-ray of chest, 1 view (71045)
  • X-ray of knee, 3 views (73562)
55%Service-mix similarity~44.3 milesView profile →

Brian Anthony Singleton, M.D.

Diagnostic Radiology (CMS) · Greenville, NC

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 2 views (71046)
  • X-ray of chest, 1 view (71045)
  • X-ray of knee, 3 views (73562)
52%Service-mix similarity~44.3 milesView profile →

Bobby Clifton Walters, MD

Diagnostic Radiology (CMS) · Greenville, NC

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 2 views (71046)
  • X-ray of chest, 1 view (71045)
  • X-ray of knee, 3 views (73562)
52%Service-mix similarity~44.3 milesView profile →

Matthew Adam Neill, MD

Diagnostic Radiology (CMS) · Greenville, NC

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 2 views (71046)
  • X-ray of chest, 1 view (71045)
  • X-ray of knee, 3 views (73562)
51%Service-mix similarity~44.3 milesView profile →

Dennis Ray Johnson, MD

Diagnostic Radiology (CMS) · Greenville, NC

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 2 views (71046)
  • X-ray of chest, 1 view (71045)
  • X-ray of knee, 3 views (73562)
51%Service-mix similarity~44.3 milesView profile →

Michael Gerard Mclaughlin, M.D.

Diagnostic Radiology (CMS) · Greenville, NC

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 2 views (71046)
  • X-ray of chest, 1 view (71045)
  • X-ray of knee, 3 views (73562)
50%Service-mix similarity~44.3 milesView profile →

Christopher Ryan Steinbaker, M.D.

Diagnostic Radiology (CMS) · Greenville, NC

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 2 views (71046)
  • X-ray of chest, 1 view (71045)
  • X-ray of knee, 3 views (73562)
50%Service-mix similarity~44.3 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.