Good Neighbor Tips from Erin Doan, State Farm Insurance, Scottville, www.erindoan.com. Mark your calendar: The 2015 open enrollment period for individual medical insurance begins November 15, 2014, and runs through February 15, 2015. During this period, you can purchase individual medical coverage or make changes to existing coverage for 2015. No underwriting is required. What if I miss the deadline? Typically, individual medical…