Mercy Health Enters Arkansas by Mark Friedman Posted 10/2/2006 12:00 am Updated 6 years ago Mercy Health Plans of St. Louis began selling insurance in Arkansas in May as a result of the "any willing provider" law. 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.