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REPORTED PROCEDURE ACTIVITY

Spinal Fusion

Clinicians with activity displayed in the CMS procedure file. Published count ranges are preserved.

What these counts mean

Published Medicare activity in a one-year claims window, not all patients or a quality score. Ranges stay ranges. The source does not specify exact service dates. Coverage and source details

Nationwide · Exact areaEdit location

Clinicians with reported activity

Reported Medicare activity (not quality)

Ordered by the lower end of published Medicare count ranges. Activity is not a quality score.

Gregory J Castiglia, MD

Neurosurgery (CMS)

Williamsville, NY

254Published Medicare activity

Hans Carl Coester, MD

Neurosurgery (CMS)

Fort Collins, CO

254Published Medicare activity

James M. Rizkalla, M.D.

Orthopedic Surgery (CMS)

Dallas, TX

254Published Medicare activity

Alejandro Daniel Castellvi, M.D.

Neurosurgery (CMS)

Pittsburgh, PA

254Published Medicare activity

Mark B Gerber, M.D.

Neurosurgery (CMS)

Naples, FL

254Published Medicare activity

Edward Lee Smith, MD

Orthopedic Surgery (CMS)

Meridian, MS

254Published Medicare activity

Charles A Sansur, MD

Neurosurgery (CMS)

Baltimore, MD

254Published Medicare activity

Karam Paul Asmaro, M.D.

Neurosurgery (CMS)

Stanford, CA

254Published Medicare activity

Tyler Sean Auschwitz

Neurosurgery (CMS)

Tulsa, OK

253Published Medicare activity

Rajesh V Patel, M.D.

Orthopedic Surgery (CMS)

Beckley, WV

253Published Medicare activity

Ross Jones, D.O.

Orthopedic Surgery (CMS)

Flagstaff, AZ

253Published Medicare activity

Wilson Zachary Ray, MD

Neurosurgery (CMS)

Saint Louis, MO

253Published Medicare activity

CMS reports a one-year claims window with a reporting lag. These counts are not total lifetime experience, patient counts, or evidence of quality. Read the method and limits.

Source: CMS Utilization Data · Published Oct 15, 2026.