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Compare the published Medicare service mix of Myrna L. Diaz, MD with clinicians in the same registry specialty: Diagnostic Radiology (CMS).

PR · Exact areaEdit location

2024 published service data · 111 eligible profiles compared. Similarity describes billing patterns, not quality, outcomes, or suitability for your care.

Rochelly Medina-Soto, M.D.

Diagnostic Radiology (CMS) · Hatorey, PR

Shared published services
3 shared services · view billing descriptions
  • Complete ultrasound scan of 1 breast (76641)
  • Screening mammography (77067)
  • Diagnostic mammography of both breasts (77066)
100%Service-mix similarityView profile →

Elena Alvarez Westwood, M.D.

Diagnostic Radiology (CMS) · Hato Rey, PR

Shared published services
3 shared services · view billing descriptions
  • Complete ultrasound scan of 1 breast (76641)
  • Screening mammography (77067)
  • Diagnostic mammography of both breasts (77066)
99%Service-mix similarityView profile →

Carmen Rosa Alvarez-Villar, M.D.

Diagnostic Radiology (CMS) · Santurce, PR

Shared published services
3 shared services · view billing descriptions
  • Complete ultrasound scan of 1 breast (76641)
  • Screening mammography (77067)
  • Diagnostic mammography of both breasts (77066)
93%Service-mix similarityView profile →

Carlos J. Gonzalez Garcia, M.D.

Diagnostic Radiology (CMS) · San Juan, PR

Shared published services
3 shared services · view billing descriptions
  • Complete ultrasound scan of 1 breast (76641)
  • Screening mammography (77067)
  • Diagnostic mammography of both breasts (77066)
89%Service-mix similarityView profile →

Elizabeth Duran, MD

Diagnostic Radiology (CMS) · San Juan, PR

Shared published services
3 shared services · view billing descriptions
  • Complete ultrasound scan of 1 breast (76641)
  • Screening mammography (77067)
  • Diagnostic mammography of both breasts (77066)
87%Service-mix similarityView profile →

Mercedes E De Choudens, MD

Diagnostic Radiology (CMS) · San Juan, PR

Shared published services
2 shared services · view billing descriptions
  • Complete ultrasound scan of 1 breast (76641)
  • Screening mammography (77067)
82%Service-mix similarityView profile →

Amarilys Maldonado, M.D.

Diagnostic Radiology (CMS) · Caguas, PR

Shared published services
2 shared services · view billing descriptions
  • Complete ultrasound scan of 1 breast (76641)
  • Screening mammography (77067)
82%Service-mix similarityView profile →

German Lopez, MD

Diagnostic Radiology (CMS) · Hato Rey, PR

Shared published services
2 shared services · view billing descriptions
  • Complete ultrasound scan of 1 breast (76641)
  • Screening mammography (77067)
82%Service-mix similarityView profile →

Iliana I Alvarez Ramirez, MD

Diagnostic Radiology (CMS) · Dorado, PR

Shared published services
3 shared services · view billing descriptions
  • Complete ultrasound scan of 1 breast (76641)
  • Screening mammography (77067)
  • Diagnostic mammography of both breasts (77066)
82%Service-mix similarityView profile →

Melisa Rivera-Morell, M.D.

Diagnostic Radiology (CMS) · San Juan, PR

Shared published services
2 shared services · view billing descriptions
  • Complete ultrasound scan of 1 breast (76641)
  • Diagnostic mammography of both breasts (77066)
81%Service-mix similarityView profile →

Yania M Lopez-Alvarez, M.D.

Diagnostic Radiology · Interventional Radiology (CMS) · Rio Piedras, PR

Shared published services
2 shared services · view billing descriptions
  • Complete ultrasound scan of 1 breast (76641)
  • Diagnostic mammography of both breasts (77066)
81%Service-mix similarityView profile →

Angela Mendez De Guzman, M.D.

Diagnostic Radiology (CMS) · Guaynabo, PR

Shared published services
3 shared services · view billing descriptions
  • Complete ultrasound scan of 1 breast (76641)
  • Screening mammography (77067)
  • Diagnostic mammography of both breasts (77066)
81%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.