I've been with 2 clinics in this area - CCRM Nova and Dominion Fertility. I thought DF's billing dept was bad, I didn't know how lucky I was until I came to CCRM Nova. CCRM made an already stressful situation much worse. Some things are out of network despite the clinic being in network.
With my situation (DOR, egg quality issues, AMA, etc.), DF just couldn't help me anymore after I had my first baby with them. CCRM was able to help me have my second baby, so I would still put up with their billing because I had more success with them.