1) Using this link, you can use this awesome OON benefits calculator from Mentaya.
2) If you prefer to contact your insurance company directly, you can call the number on the back of your insurance card to see if you have out-of-network benefits. If you do, they typically will reimburse you for 60-80% of the cost of each session. The best way to get in contact with someone from your insurance company is to call the number on the back of your health insurance card listed under Member Services.