I recommend you go talk to them in person at one of the branches. (biggerpockets.com)
Some medical insurance companies seem to be set up so that it's difficult to even talk to a real person on the phone, much less go talk to them in person! (money.stackexchange.com)
If they attempt the former you would be wise to not read their e-mails or other forms of communication, and stop talking to them in person or on the phone. (redeeminggod.com)