Plaintiff:	RONDA OSINEK, ex rel. UNITED STATES OF AMERICA, JAMES M. TAYLOR, MICHAEL BICOCCA, STATE OF CALIFORNIA, GLORYANNE BRYANT, VICTORIA M. HERNANDEZ, MARCIA STEIN, RODOLFO BONE, NASER AREFI, AJITH KUMAR and PRIME HEALTHCARE SERVICES, INC.
Defendant:	PERMANENTE MEDICAL GROUP, INC., KAISER FOUNDATION HEALTH PLAN, INC., KAISER FOUNDATION HEALTH PLAN OF COLORADO, KAISER FOUNDATION HEALTH PLAN OF GEORGIA, KAISER FOUNDATION HEALTH PLAN OF NORTHWEST, SOUTHERN CALIFORNIA PERMANENTE MEDICAL GROUP, PERMANENTE FEDERATION, LLC, KAISER FOUNDATION HOSPITALS, INC., COLORADO PERMANENTE MEDICAL GROUP, PC, SOUTHEAST PERMANENTE MEDICAL GROUP, HAWAII PERMANENTE MEDICAL GROUP, MID-ATLANTIC PERMANENTE MEDICAL GROUP, PC, KAISER FOUNDATION HEALTH PLAN OF THE MID-ATLANTIC STATES, INC., KAISER FOUNDATION HEALTH PLAN OF WASHINGTON, NORTHWEST PERMANENTE, PC and WASHINGTON PERMANENTE MEDICAL GROUP, PC
Claimant:	JEFFREY MAZIK
Case Number:	26-2425
Filed:	April 20, 2026
Court:	U.S. Court of Appeals, Ninth Circuit
Nature of Suit:	Other Statutes - False Claims Act

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