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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.

Daniel S Reich, M.D.

Gastroenterology (CMS)

Forest Hills, NY
409Published Medicare activity

Yi Zheng, M.D.

Gastroenterology · Internal Medicine (CMS)

Walnut Creek, CA
409Published Medicare activity

Ernest F Ribera, MD

Gastroenterology (CMS)

Burlingame, CA
408Published Medicare activity

Joseph P Leberer, MD

Colorectal Surgery (Proctology) (CMS)

Williamsville, NY
408Published Medicare activity

Arun P Khazanchi, MD

Gastroenterology (CMS)

Lakewood Ranch, FL
407Published Medicare activity

Aran W Laing, MD

Gastroenterology · Internal Medicine (CMS)

Cortland, NY
407Published 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.