I would write a 'complaint' as well as she has misinformed you and made you feel belittled by your choices. Stick it to 'em.
Make sure you do it ASAP as you can't backclaim for CCB that is cut off for immunisation. And yes informed consent forms are required and you may need to provide that to you care provider as well, as you obviosuly wont have complete immunisation hsitory to provide. IYKWIM