Each year the Center for Medicare Services (CMS) offers an open enrollment period for Medicare beneficiaries. This year the open enrollment period is October 15th through December 7th. Spectrum Generations in Topsham, in addition to our normal consulting times is setting aside six complete days in November and December for enrollment clinics. These date are: Nov. 7th, 13th, 17th, and 29th and Dec. 4th and 5th.