Tricare question

I am going to a civilian OB on Monday and they asked that I bring my insurance card. I currently don’t have a dependent ID as my husband is still in boot camp, but he did enroll me in DEERS and I do have tricare. So my question is..how will I fill out my insurance info without my ID? Do I use my SSN? Or his? One of our DODs? Or my benefits number? I’m so used to just giving the card lol