Wal-Mart Picks Mercy-Springfield for Employees' Free Surgeries by Serenah McKay Posted 10/29/2012 11:21 am Updated 6 years ago About 1.1 million employees are covered. Want the Full Article? Get Unlimited Archive Access for $19.95 per Year Readers must pay to access articles older than 15 days. Articles newer than 15 days are not included in this offer. Purchase Now Already have archive access? Login to view this article.