Long-time readers know that I've repeatedly complained about how confusing and difficult it is to try and keep track of all the different divisions, branches, subsidiaries and rebrandings of various health insurance carriers. For instance, the Kansas small group market featurs "Blue Cross Blue Shield of Kansas City" and "Blue Cross Blue Shield of Kansas, Inc.", and in past years I'm pretty sure there was a third "Blue Cross Blue Shield".
In some cases there are multiple names for the same parent company. Here in Michigan, we have "Blue Cross Blue Shield of Michigan", which covers PPOs, and "Blue Care Network", which covers HMOs...but which is simply a division of BCBSM. You get the idea. Keeping track off all this can make my annual premium rate filing project (which I just wrapped up the first phase of) extremely difficult.