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Compare the published Medicare service mix of Sean L Johnston, M.D., PH.D. with clinicians in the same registry specialty: Diagnostic Radiology (CMS).

SANTA ANA, CA · 10 milesEdit location
Within 10 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 · 37 eligible profiles compared. Similarity describes billing patterns, not quality, outcomes, or suitability for your care.

Darice Liu, M.D.

Diagnostic Radiology · Interventional Radiology (CMS) · Orange, CA

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 1 view (71045)
  • Dxa bone density measurement of hip, pelvis, spine (77080)
  • X-ray of chest, 2 views (71046)
69%Service-mix similarity~3.3 milesView profile →

Peyman Borghei, M.D

Diagnostic Radiology (CMS) · Orange, CA

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 1 view (71045)
  • Ct scan head or brain without contrast (70450)
  • Mri scan of lower spinal canal without contrast (72148)
64%Service-mix similarity~3.3 milesView profile →

Reza Shahbaz, M.D.

Diagnostic Radiology (CMS) · Orange, CA

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 1 view (71045)
  • X-ray of chest, 2 views (71046)
  • Ct scan head or brain without contrast (70450)
64%Service-mix similarity~3.3 milesView profile →

Sarel Gaur, MD

Diagnostic Radiology (CMS) · Orange, CA

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 1 view (71045)
  • X-ray of chest, 2 views (71046)
  • Ct scan head or brain without contrast (70450)
57%Service-mix similarity~3.3 milesView profile →

Wyman Yee, MD

Interventional Radiology · Undefined Physician Type (Specify) (CMS) · Anaheim, CA

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 1 view (71045)
  • X-ray of chest, 2 views (71046)
  • Ct scan head or brain without contrast (70450)
54%Service-mix similarity~8.1 milesView profile →

Louis Fanucci

Interventional Radiology (CMS) · Orange, CA

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 1 view (71045)
  • X-ray of chest, 2 views (71046)
  • Ct scan head or brain without contrast (70450)
54%Service-mix similarity~3.3 milesView profile →

Alaa Beydoun, M.D.

Diagnostic Radiology · Interventional Radiology (CMS) · Costa Mesa, CA

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 1 view (71045)
  • X-ray of chest, 2 views (71046)
  • Ct scan head or brain without contrast (70450)
48%Service-mix similarity~4.8 milesView profile →

Mehdi Faraji, MD

Diagnostic Radiology (CMS) · Irvine, CA

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 1 view (71045)
  • X-ray of chest, 2 views (71046)
  • X-ray of hip, 2-3 views (73502)
39%Service-mix similarity~9.6 milesView profile →

Kathleen Pham, MD

Diagnostic Radiology (CMS) · Orange, CA

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 1 view (71045)
  • X-ray of chest, 2 views (71046)
  • Ct scan head or brain without contrast (70450)
37%Service-mix similarity~3.3 milesView profile →

Ngoc N. Le

Diagnostic Radiology · Interventional Radiology (CMS) · Irvine, CA

Shared published services
3 shared services · view billing descriptions
  • Ct scan of chest without contrast (71250)
  • Ct scan of abdomen and pelvis with contrast (74177)
  • Complete ultrasound scan behind abdominal cavity (76770)
32%Service-mix similarity~9.6 milesView profile →

Tammam Beydoun, D.O.

Diagnostic Radiology · Interventional Radiology (CMS) · Orange, CA

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 1 view (71045)
  • Ct scan head or brain without contrast (70450)
  • Ct scan of abdomen and pelvis with contrast (74177)
32%Service-mix similarity~3.3 milesView profile →

Alexander Seiji Misono, MD, MBA

Diagnostic Radiology (CMS) · Newport Beach, CA

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 1 view (71045)
  • X-ray of chest, 2 views (71046)
  • X-ray of hip, 2-3 views (73502)
22%Service-mix similarity~9.1 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.