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REPORTED PROCEDURE ACTIVITY

Mastectomy

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.

Kara C. Kort, MD

Surgery

Fayetteville, NY
93Published Medicare activity

Amber Guth, M.D.

General Practice (CMS)

New York, NY
93Published Medicare activity

Geoffrey C Fenner, MD

General Surgery · Plastic And Reconstructive Surgery (CMS)

Kenilworth, IL
92Published Medicare activity

Julie A Margenthaler, MD

General Surgery · Surgical Oncology (CMS)

Saint Louis, MO
92Published Medicare activity

Grace Hou, M.D.

General Surgery (CMS)

Tucson, AZ
92Published 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.