Midwife vs OB

💕Francésca💕 • Mommy and wife 💚💚 8 year old boy and my baby boy on the way! 9/12/08💙 12/7/16💙
I am 23 weeks. I have been thinking about switching to a midwife. Is it too late to switch? Seeing as my OB I've only seen once. There are 4 people that you see. I've seen two nurse practitioners and one OB. I want something more private.