Ways to schedule. Schedule directly on this website for first vaccinations (not booster or third shots). Make an Appointment Schedule on MyLVHN, our patient portal, for first vaccinations, booster shots and third shots. Sign In Sign Up; Call our COVID-19 Vaccine Hotline at 833-584-6283 (833-LVHN-CVD).COVID-19 Vaccine Hotline hours are Monday-Friday 8:30 a.m.-5:30 p.m..