Medicare 101. Medicare expert, Howard Houghton, will explain what you need to know about Medicare during his presentation on Tuesday, September 17, 2013, 11:00 a.m. at Tysons-Pimmit Regional Library, 7584 Leesburg Pike, Falls Church. Great for those new to Medicare, planning for retirement, or still a bit confused about the benefits and options. For information on services for older adults in Fairfax County, call the Aging, Disability and Caregiver Resources Line at 703-324-7948, TTY 711 or go to www.fairfaxcounty.gov/dfs/olderadultservices..