it sure is!
i have an ob/gyn that i see for every appt and she will do birth and everything. i have had some that do scans and all, but mine now doesnt. she has machines to do them for emergencies but sends me out for the regular ones. and no one will come to my home. im glad about that. it would make things chaotic i think. but if i was there i might not mind since thats just how they do things. if i had chosen a mw here i would still have the same mw for birth but would give birth somewhere other than a hospital, would be at home or a center. my ob will have nurses that help at the hospital, but no mw unless you specifically have your own come