(marketscreener.com) NASHVILLE, Tenn., Oct. 15, 2019 /PRNewswire/ -- The National Health Care Anti-Fraud Association (NHCAA) today announced that Sara "Sally" A. Walker, Esq., Vice President of Enterprise Risk Management (ERM) at Blue Cross Blue Shield of Massachusetts (BCBSMA), has been elected as Chair of the NHCAA Board of Directors for the year 2020. Walker...http://www.marketscreener.com/news/NHCAA-Elects-New-Board-Chair--29380195/?utm_medium=RSS&utm_content=20191015