SPECIALTIES Catalyst Medical Group has over a diverse range of preventive, diagnostic, and treatment specialties and services. Locations All Locations Lewiston Orthopedics Valley Medical Center Providers All Providers Bryan J. Beardsley, M.D. Steven Boyea, M.D. Gregory D. Dietrich, M.D. Regan Hansen, M.D. J. Adam Jelinek, M.D. Rychael Morton, P.A.-C Greg Obray, P.A.-C Bret Paulson, P.A.-C Kaden Thueson, P.A.-C DeWayne L. Weaver, M.D. Foot and Ankle Medicine and Surgery Hand Surgery Orthopedics Surgery Spine Surgery Sports Medicine Find Your Nearest Location Locations