A DIFFERENT WAY TO EXPLORE

Similar work.
More providers to explore.

Compare the published Medicare service mix of Mark Henry Knelson, M.D. with clinicians in the same registry specialty: Diagnostic Radiology (CMS).

RALEIGH, NC · Exact areaEdit location

2024 published service data · 87 eligible profiles compared. Similarity describes billing patterns, not quality, outcomes, or suitability for your care.

Aaron Jordan Marks, MD

Diagnostic Radiology (CMS) · Raleigh, NC

Shared published services
2 shared services · view billing descriptions
  • X-ray of chest, 1 view (71045)
  • X-ray of chest, 2 views (71046)
52%Service-mix similarityView profile →

William James Vanarthos, M.D.

Specialty details in registry · Raleigh, NC

Shared published services
2 shared services · view billing descriptions
  • X-ray of chest, 1 view (71045)
  • X-ray of chest, 2 views (71046)
39%Service-mix similarityView profile →

Tedric Dale Boyse, M.D.

Diagnostic Radiology (CMS) · Raleigh, NC

Shared published services
2 shared services · view billing descriptions
  • X-ray of chest, 1 view (71045)
  • X-ray of chest, 2 views (71046)
37%Service-mix similarityView profile →

Amar M. Amaresh, M.D.

Diagnostic Radiology · Interventional Radiology (CMS) · Raleigh, NC

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 1 view (71045)
  • X-ray of chest, 2 views (71046)
  • Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes (99152)
36%Service-mix similarityView profile →

Tyler Paul Litton, MD

Diagnostic Radiology (CMS) · Raleigh, NC

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 1 view (71045)
  • X-ray of chest, 2 views (71046)
  • Dxa bone density measurement of hip, pelvis, spine (77080)
35%Service-mix similarityView profile →

Joseph William Melamed, M.D.

Specialty details in registry · Raleigh, NC

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 1 view (71045)
  • X-ray of chest, 2 views (71046)
  • Dxa bone density measurement of hip, pelvis, spine (77080)
34%Service-mix similarityView profile →

James Eric Knutson, M.D.

Diagnostic Radiology · Interventional Radiology (CMS) · Raleigh, NC

Shared published services
3 shared services · view billing descriptions
  • Ultrasonic guidance for blood vessel access (76937)
  • Fluoroscopic guidance for insertion or removal of central vein access device (77001)
  • Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes (99152)
33%Service-mix similarityView profile →

Matthew L Hoimes, MD, MS

Diagnostic Radiology (CMS) · Raleigh, NC

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 1 view (71045)
  • X-ray of chest, 2 views (71046)
  • Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes (99152)
33%Service-mix similarityView profile →

Vilert Alon Loving, M.D.

Diagnostic Radiology (CMS) · Raleigh, NC

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 1 view (71045)
  • X-ray of chest, 2 views (71046)
  • Dxa bone density measurement of hip, pelvis, spine (77080)
31%Service-mix similarityView profile →

Ami Vakharia, MD

Diagnostic Radiology (CMS) · Raleigh, NC

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 1 view (71045)
  • X-ray of chest, 2 views (71046)
  • Dxa bone density measurement of hip, pelvis, spine (77080)
30%Service-mix similarityView profile →

Christopher Matthew Long, M.D./PH.D.

Diagnostic Radiology · Interventional Radiology (CMS) · Raleigh, NC

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 1 view (71045)
  • X-ray of chest, 2 views (71046)
  • Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes (99152)
30%Service-mix similarityView profile →

John Mark Spargo, M.D.

Diagnostic Radiology (CMS) · Raleigh, NC

Shared published services
2 shared services · view billing descriptions
  • X-ray of chest, 1 view (71045)
  • X-ray of chest, 2 views (71046)
30%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.