Tricare help

I have tri care standard and am wanting to make an appointment after the holidays with an obgyn/fertility doc. I've been ttc for about 3 years and finally just want answers. I was wondering the best way to go about it. I would like to see a doc off post, there's one 10 mins away. Do I just call to see if they accept tricare and make an appointment? I've only been an army wife a few months so I want to make sure I go about everything the right way. Any tips would be appreciated. Thank you.