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Similar work.
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Compare the published Medicare service mix of Nathanael Sabbah, MD with clinicians in the same registry specialty: Diagnostic Radiology · Nuclear Medicine (CMS).

CA · Exact areaEdit location

2024 published service data · 439 eligible profiles compared. Similarity describes billing patterns, not quality, outcomes, or suitability for your care.

Christopher C Lee, MD

Diagnostic Radiology (CMS) · Walnut Creek, CA

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 1 view (71045)
  • Ct scan of abdomen and pelvis without contrast (74176)
  • Ultrasound study of arm or leg veins with compression and maneuvers (93970)
68%Service-mix similarityView profile →

Chadi Chahin, M.D.

Interventional Radiology (CMS) · Glendale, CA

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 1 view (71045)
  • Ct scan of abdomen and pelvis without contrast (74176)
  • Ultrasound study of arm or leg veins with compression and maneuvers (93970)
68%Service-mix similarityView profile →

Sean Paul Conus, MD

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

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 1 view (71045)
  • Ct scan of abdomen and pelvis without contrast (74176)
  • Ultrasound study of arm or leg veins with compression and maneuvers (93970)
67%Service-mix similarityView profile →

Su-Yu Li, MD

Diagnostic Radiology (CMS) · Rancho Cucamonga, CA

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 1 view (71045)
  • Limited ultrasound scan of joint or other extremity structure except blood vessels (76882)
  • Ct scan of abdomen and pelvis without contrast (74176)
67%Service-mix similarityView profile →

Vipin Bansal, M.D.

Interventional Radiology (CMS) · Roseville, CA

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 1 view (71045)
  • Ct scan of abdomen and pelvis without contrast (74176)
  • Ultrasound study of arm or leg veins with compression and maneuvers (93970)
66%Service-mix similarityView profile →

Ryan Tay Chao, MD

Diagnostic Radiology (CMS) · Stanford, CA

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 1 view (71045)
  • Ct scan of abdomen and pelvis without contrast (74176)
  • Ultrasound study of arm or leg veins with compression and maneuvers (93970)
66%Service-mix similarityView profile →

Jason Van Rompaey, M.D.

Internal Medicine · Interventional Radiology (CMS) · Arcadia, CA

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 1 view (71045)
  • Limited ultrasound scan of joint or other extremity structure except blood vessels (76882)
  • Ct scan of abdomen and pelvis without contrast (74176)
65%Service-mix similarityView profile →

Kabir Suri

Diagnostic Radiology (CMS) · Los Angeles, CA

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 1 view (71045)
  • Ct scan of abdomen and pelvis without contrast (74176)
  • 3d radiographic procedure (76376)
64%Service-mix similarityView profile →

Timothy Nolan, MD

Interventional Radiology (CMS) · Sacramento, CA

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 1 view (71045)
  • Ct scan of abdomen and pelvis without contrast (74176)
  • Ultrasound study of arm or leg veins with compression and maneuvers (93970)
64%Service-mix similarityView profile →

Raj K. Shah, M.D.

Diagnostic Radiology (CMS) · Bellflower, CA

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 1 view (71045)
  • Limited ultrasound scan of joint or other extremity structure except blood vessels (76882)
  • Ct scan of abdomen and pelvis without contrast (74176)
64%Service-mix similarityView profile →

Senthil Sivakumar Gunasekaran, MD

Diagnostic Radiology (CMS) · Glendale, CA

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 1 view (71045)
  • Ct scan of abdomen and pelvis without contrast (74176)
  • Ultrasound study of arm or leg veins with compression and maneuvers (93970)
64%Service-mix similarityView profile →

Mario Cedillo, M.D.

Interventional Radiology (CMS) · Palmdale, CA

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 1 view (71045)
  • Ct scan of abdomen and pelvis without contrast (74176)
  • Ultrasound study of arm or leg veins with compression and maneuvers (93970)
63%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.