I used my baby’s number without a version code until 3 months. While not recommending, it does take. While to receive the health card so your doctors office should be fine without for a few weeks. The health card number the hospital gave you doesn’t change. You just get the version code that goes on the end that’s all.
You have an OHIP number for her—the ped office (usually) just hangs onto the billing until the version code is available and then submits There should be a phone number on the temp paper card they gave you that they can call