The company is called MD Medicare Choice. They had about 16,000 members in 23 counties in Florida.
Humana will be taking over the benefits for these members, however, the members will get a special election period where they can pick any plan they choose.
Here are some of the articles on this:
http://www.bradenton.com/news/breaking_news/story/921186.html
http://www.tampabay.com/news/aging/medicare/article833015.ece
http://www.bizjournals.com/tampabay/stories/2008/09/29/daily24.html