MY CATALYST MEDICALMake an appointment at one of our walk-in clinics, make an appointment, or manage your secure online medical record portal. VALLEY MEDICAL CENTER Patient Portal Make a Payment Make an AppointmentLewiston (208) 746-1383 Lewiston Walk-in ClinicSelect a time that works best for you, and get in line.Looking for Lewiston Orthopaedic?Visit their website for more information and to request an appointment. VISIT WEBSITE