The second open enrollment period for the Health Insurance Marketplace begins Nov. 15 and ends Feb. 15, 2015. Greater Derry Community Health Services, Inc. (CHS) is offering trained and certified Navigators to meet with consumers to assist them in choosing a health insurance plan that most closely meets their needs. Call CHS at 425-2545 to schedule an appointment to meet with a Navigator. Many individuals require more than one appointment to finalize their selection so appointments should be scheduled soon. This service is free.