Mesa family survives lightning strike to home Sponsored Stories Top Stories New Valley school lets students pick career-path academies Medicare is adding 10,000 new beneficiaries a day as baby boomers reach age 65. But so far the demographic shift has not overwhelmed the program with costs because, for the most part, boomers are healthier than the older generations of Medicare beneficiaries. That has a positive impact on the bottom line, helping to hold down per-beneficiary costs.Nonetheless, the Obama administration is in the midst of overhauling the way Medicare pays doctors and hospitals to emphasize quality results over the sheer volume of procedures, tests, and services.The Department of Health and Human Services has set a goal of tying 30 percent of payments under traditional Medicare to new models of care by the end of 2016, and an increasing share thereafter. Among the initiatives is a proposal to change the way hospitals are paid for hip and knee replacement surgery.The Medicare and Social Security trustees are the secretaries of the Treasury, Health and Human Services, and Labor departments, as well as the Social Security commissioner and two public trustees — a Democrat and a Republican.Nearly 60 million people receive Social Security benefits, including 42 million retired workers and dependents, 11 million disabled workers and 6 million survivors of deceased workers. 5 ways to recognize low testosterone About 55 million retirees and disabled people get Medicare. The hospital trust fund is only part of the program. Coverage for outpatient care and prescription drugs is covered by premiums and other government spending.___Follow Stephen Ohlemacher on Twitter: http://twitter.com/stephenatapCopyright © The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.