A DIFFERENT WAY TO EXPLORE

Similar work.
More providers to explore.

Compare the published Medicare service mix of Bernardo Jose Marques Diaz, M.D. with clinicians in the same registry specialty: Diagnostic Radiology (CMS).

SAN JUAN, PR · Exact areaEdit location

2024 published service data · 39 eligible profiles compared. Similarity describes billing patterns, not quality, outcomes, or suitability for your care.

Ricardo E Rivera, M.D.

Diagnostic Radiology (CMS) · San Juan, PR

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 2 views (71046)
  • Dxa bone density measurement of hip, pelvis, spine (77080)
  • X-ray of knee, 1-2 views (73560)
75%Service-mix similarityView profile →

Rogelio Munoz, MD

Diagnostic Radiology (CMS) · San Juan, PR

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 2 views (71046)
  • Dxa bone density measurement of hip, pelvis, spine (77080)
  • X-ray of knee, 1-2 views (73560)
71%Service-mix similarityView profile →

Tomas D Jimenez Chafey, M.D.

Interventional Radiology (CMS) · San Juan, PR

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 2 views (71046)
  • X-ray of knee, 1-2 views (73560)
  • Ultrasound scan of head and neck soft tissue (76536)
70%Service-mix similarityView profile →

Edward Craig Mcburney, M.D

Diagnostic Radiology (CMS) · San Juan, PR

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 2 views (71046)
  • X-ray of knee, 1-2 views (73560)
  • Ultrasound scan of head and neck soft tissue (76536)
66%Service-mix similarityView profile →

Marga Cardona Duran, MD

Diagnostic Radiology (CMS) · San Juan, PR

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 2 views (71046)
  • X-ray of knee, 1-2 views (73560)
  • Ultrasound scan of head and neck soft tissue (76536)
62%Service-mix similarityView profile →

Jose R Landron Guardiola, MD

Diagnostic Radiology (CMS) · San Juan, PR

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 2 views (71046)
  • X-ray of knee, 1-2 views (73560)
  • Complete ultrasound scan of abdomen (76700)
61%Service-mix similarityView profile →

Carlos Guardiola Betancourt, M.D.

Diagnostic Radiology (CMS) · San Juan, PR

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 2 views (71046)
  • Dxa bone density measurement of hip, pelvis, spine (77080)
  • X-ray of knee, 1-2 views (73560)
61%Service-mix similarityView profile →

Gory Ballester Ortiz, M.D.

Diagnostic Radiology (CMS) · San Juan, PR

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 2 views (71046)
  • X-ray of knee, 1-2 views (73560)
  • Ultrasound scan of head and neck soft tissue (76536)
58%Service-mix similarityView profile →

Gretchen Quinones Barbosa, M.D.

Diagnostic Radiology (CMS) · San Juan, PR

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 2 views (71046)
  • Dxa bone density measurement of hip, pelvis, spine (77080)
  • Ultrasound scan of head and neck soft tissue (76536)
57%Service-mix similarityView profile →

Juan F. Amador, MD

Diagnostic Radiology (CMS) · San Juan, PR

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 2 views (71046)
  • X-ray of knee, 1-2 views (73560)
  • Complete ultrasound scan of abdomen (76700)
55%Service-mix similarityView profile →

Maria M Silva-Coll, M.D.

Diagnostic Radiology (CMS) · San Juan, PR

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 2 views (71046)
  • Dxa bone density measurement of hip, pelvis, spine (77080)
  • X-ray of knee, 1-2 views (73560)
53%Service-mix similarityView profile →

Matthew Ryan Knouse, MD

Diagnostic Radiology (CMS) · San Juan, PR

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 2 views (71046)
  • Dxa bone density measurement of hip, pelvis, spine (77080)
  • X-ray of knee, 1-2 views (73560)
52%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.