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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.

Ronald P Markos, MD

Gastroenterology · Internal Medicine (CMS)

Sellersville, PA
577Published Medicare activity

Edward S Singh, MD

Gastroenterology (CMS)

Mayaguez, PR
573Published Medicare activity

Steven Leonard Kadish, MD

Gastroenterology · Internal Medicine (CMS)

Lawrence, NY
571Published Medicare activity

Iftikhar A Malik, M.D.

Gastroenterology · Internal Medicine (CMS)

Stockton, CA
571Published Medicare activity

Jonathan F Williams, D.0.

Gastroenterology · Internal Medicine (CMS)

Kenilworth, IL
570Published Medicare activity

David Rutta, MD

Gastroenterology (CMS)

Scranton, PA
570Published 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.