myNorthernLightHealth PATIENT PORTAL. Health (9 days ago) Portal Setup IMPORTANT! You must wait until the morning following collection of your COVID-19 test to setup your patient portal account Please call the Northern Light Telehealth Patient Help Desk at 833-217-9640 so we can send you an email with an invitation link to register for the portal.Our hours are 7 days a week, 8 am - 4:30pm..