Medicare 101. 1 p.m., Sisson Library. This free class is open to everyone, whether currently enrolled in Medicare or planning to enroll soon. A certified Medicare counselor from the San Juan Basin Area Agency on Aging (SJBAAA) will present Medicare basics. If you can’t attend the class but would like to meet with a Medicare counselor, call (970) 264-0505, ext. 4 to request an appointment.