LOCATIONS Catalyst Medical Group has three locations to conveniently serve your medical needs. Specialty All Specialties 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 Providers All Providers Danielle Barnes, P.A.-C Stephanie Carpenter, F.N.P., P.M.H.N.P. Todd Carpenter, F.N.P. Bob Mahal, N.P. Cheryl Mallory, M.D. Ryan Morris, P.A. -C Valley Medical Center