My Uncles Pcp Left The Practice, Not Notifying Anyone. We

My uncles pcp left the practice, not notifying anyone. We found this out when we went for a follow up, do the last time he say her. They want refill his seizure medication. This was last week Thursday, he has been without his meds an is now having seizures back to back. Will the E R doctor prescribe him medication until his appointment on the 8th?