What factors must I consider when choosing group health plan?

First they lie. Aetna went to the Supreme Court and got a ruling saying that like buying manure, if you don't like the smell you can't sue, but only go to another pile of it. They are allowed to say they cover one thing and actually do another. With Obamacare there are minimum standards required but they do not have to make things easy nor cover specific doctors or procedures or medications. Check with PEOPLE.