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 Barbara Arnzen, P.A.-C Danielle Barnes, P.A.-C Bryan J. Beardsley, M.D. Geneen Bigsby, D.O. Steven Boyea, M.D. Natale Carasali, M.D. Stephanie Carpenter, F.N.P., P.M.H.N.P. Todd Carpenter, F.N.P. Carol Chandler, N.P. Victoria Cruz, N.P. Gregory D. Dietrich, M.D. Timothy Dykstra, D.O. Melanie Eggleston, M.D. Thad Giblette, NP Regan Hansen, M.D. Andrea Hedrick, M.S.N. C.N.M. James Maguire, D.O. Lynley James, F.N.P. J. Adam Jelinek, M.D. Darby Justis, M.D. Lindsay Kern, M.D. Theodore Krisher, M.D. Bob Mahal, N.P. Cheryl Mallory, M.D. Kathy Morris, F.N.P. Ryan Morris, P.A. -C Rychael Morton, P.A.-C Greg Obray, P.A.-C Todd Parkey, M.D. Bret Paulson, P.A.-C Anita Ringering, F.N.P. Zach Ripley, D.O. Angela Roth (Richmond), M.D. Gregory Schultz, M.D. Carmen Stolte, F.N.P. Brandy Thompson, FNP-C Kaden Thueson, P.A.-C Neil Washington, D.P.M. Alex Watson, M.D. DeWayne L. Weaver, M.D. Tysen Weber, M.D. Charla Willis, M.D. Behavioral Health Coumadin Clinic Dermatology Express Care Family Practice Foot and Ankle Medicine and Surgery Hand Surgery Internal Medicine Laboratory and Testing Services Obstetrics and Gynecology Occupational Medicine Orthopedics Surgery Pediatrics Podiatry Radiology Spine Surgery Sports Medicine Find Your Nearest Location Locations
