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Compare the published Medicare service mix of Ajit Velayudhan Nair, M.D. with clinicians in the same registry specialty: Diagnostic Radiology · Interventional Radiology (CMS).

SAN JOSE, CA · Exact areaEdit location

2024 published service data · 9 eligible profiles compared. Similarity describes billing patterns, not quality, outcomes, or suitability for your care.

Zhongxia Hu, M.D.

Diagnostic Radiology · Interventional Radiology (CMS) · San Jose, CA

Shared published services
3 shared services · view billing descriptions
  • X-ray of chest, 1 view (71045)
  • X-ray of chest, 2 views (71046)
  • Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito (G0500)
81%Service-mix similarityView profile →

David Madwed, MD

Diagnostic Radiology · Interventional Radiology (CMS) · San Jose, 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)
79%Service-mix similarityView profile →

Yueh-Ju Yale Chung, M.D.

Diagnostic Radiology (CMS) · San Jose, 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)
69%Service-mix similarityView profile →

Paul R Cipriano, M.D.

Interventional Radiology (CMS) · San Jose, CA

Shared published services
3 shared services · view billing descriptions
  • Ultrasound study of arm and leg arteries (93922)
  • Ultrasound study of arm or leg veins with compression and maneuvers (93970)
  • Ultrasound study of one arm or leg veins with compression and maneuvers (93971)
29%Service-mix similarityView profile →

Rian Aaron Holayter, M.D.

Diagnostic Radiology (CMS) · San Jose, CA

Shared published services
2 shared services · view billing descriptions
  • Ultrasonic guidance for blood vessel access (76937)
  • Fluoroscopic guidance for insertion or removal of central vein access device (77001)
16%Service-mix similarityView profile →

Anup Kumar Singh, M.D.

Diagnostic Radiology · Interventional Radiology (CMS) · San Jose, CA

Shared published services
3 shared services · view billing descriptions
  • Ultrasound study of arm or leg veins with compression and maneuvers (93970)
  • Ultrasonic guidance for blood vessel access (76937)
  • Fluoroscopic guidance for insertion or removal of central vein access device (77001)
12%Service-mix similarityView profile →

Arash M Padidar, MD

Diagnostic Radiology · Undefined Physician Type (Specify) (CMS) · San Jose, CA

Shared published services
3 shared services · view billing descriptions
  • Ct scan of blood vessels of head with contrast (70496)
  • Ct scan of blood vessels of neck with contrast (70498)
  • Ultrasonic guidance for blood vessel access (76937)
8%Service-mix similarityView profile →

Lindsey Jane Bergren Pierce, M.D.

Interventional Radiology (CMS) · San Jose, CA

Shared published services
2 shared services · view billing descriptions
  • Ultrasonic guidance for blood vessel access (76937)
  • Fluoroscopic guidance for insertion or removal of central vein access device (77001)
7%Service-mix similarityView profile →

Nhi Vo, MD

Diagnostic Radiology · Interventional Radiology (CMS) · San Jose, CA

Shared published services
1 shared services · view billing descriptions
  • Ultrasonic guidance for blood vessel access (76937)
5%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.