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REPORTED PROCEDURE ACTIVITY

Knee Replacement

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.

Derek Ryan Johnson, M.D.

Orthopedic Surgery (CMS)

Parker, CO

146Published Medicare activity

Michael B O'sullivan, MD

Orthopedic Surgery

Springfield, MA

146Published Medicare activity

Ran Schwarzkopf, M.D., M.SC.

General Acute Care Hospital

Orange, CA

146Published Medicare activity

Stephen G Manifold, M.D.

Orthopedic Surgery

Dover, DE

146Published Medicare activity

Michael Berend, MD

Orthopedic Surgery

Indianapolis, IN

146Published Medicare activity

Kevin William Dwyer, M.D.

Orthopedic Surgery

Lebanon, NH

146Published Medicare activity

David Quinzi, M.D

Orthopedic Surgery

Rochester, NY

145Published Medicare activity

Levi Kindel

Orthopedic Surgery

Wichita, KS

145Published Medicare activity

Gautam Siram, M.D.

Orthopedic Surgery

Chevy Chase, MD

145Published Medicare activity

Jaime D Hernandez, M.D.

Orthopedic Surgery

Van Nuys, CA

145Published Medicare activity

Randall Miller Meredith, M.D.

Orthopedic Surgery (CMS)

Augusta, GA

145Published Medicare activity

John Philip Andrawis, M.D.

Orthopedic Surgery

Torrance, CA

145Published 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.