Login to MyStJohnsHealth. What if I need help accessing reports or finding information on the Patient Portal or need help logging into the Portal?You can contact Care Management at 757-612-6363 Monday through Friday from 8 am to pm. During evening and weekend hours, call 757-594-2000. Get Started with Riverside MyChart. Sign in to Riverside MyChart to manage your health online, or sign up if you don't have an account yet. Only fill out this section if the person filling out the application is NOT the patient. First Name: Middle Initial: Last Name: Home Address. Below you'll find three forms all new patients must fill out and bring for their first appointment. Please obtain a pre-registration packet from your physician or contact our Admitting Office at (951) 788-3331.