Go to Patient Portal. Submission Deadlines Spring 2020 December 13, 2019, for spring enrollment. Summer 2020 April 30, 2020 Fall 2020 May 29, 2020, for fall enrollment. ... Quick Q&As with Members of the Merrimack Community," we talk to alumnus Lauren Maher '16. Lauren shares her path to becoming a nurse, how Merrimack influenced her career ....