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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.

Tien Trong Nguyen, MD

Neurosurgery (CMS)

Fountain Valley, CA
238Published Medicare activity

Morris B Seymour, MD

Orthopedic Surgery (CMS)

Huntsville, AL
238Published Medicare activity

David Barnes, DO

Orthopedic Surgery (CMS)

St George, UT
237Published Medicare activity

Timothy A Vanfleet, MD

Orthopedic Surgery (CMS)

Springfield, IL
237Published Medicare activity

Amir M Abtahi, M.D.

Orthopedic Surgery (CMS)

Nashville, TN
237Published Medicare activity

Oscar A Duyos, M.D.

Orthopedic Surgery (CMS)

Cayey, PR
237Published Medicare activity

Jon Adam Kimball, M.D.

Orthopedic Surgery (CMS)

Los Angeles, CA
236Published 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.