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REPORTED PROCEDURE ACTIVITY

Colonoscopy

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.

Steven Adam Fassler, MD

Colorectal Surgery (Proctology) (CMS)

Abington, PA
509Published Medicare activity

Anil Kumar Sharma, MD

Gastroenterology (CMS)

Rochester, NY
507Published Medicare activity

Mani Mahdavian, MD

Gastroenterology · Internal Medicine (CMS)

Des Plaines, IL
506Published Medicare activity

Dennis D Shen, MD

Gastroenterology · Internal Medicine (CMS)

San Francisco, CA
505Published Medicare activity

David S Garson, M.D.

Gastroenterology · Internal Medicine (CMS)

Williamsville, NY
505Published Medicare activity

Noah Todd Zinkin, MD

Gastroenterology · Internal Medicine (CMS)

Huntington, NY
503Published Medicare activity

Israel Crespo, M D

Gastroenterology (CMS)

Tampa, FL
498Published 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.