So the banker hands over a tote bag full of $1 million cash on the basis of having been handed a business card and calling another branch to verify the money in the account. Not in 2018/2019. Banker never asks for ID. If it's a branch of her bank he would have checked the computer record for the account. You can't get a million dollars that fast in cash. That situation was not realistic/plausible.
In the hospital Sarah is wearing a medical bracelet that says Emily Thompson. (While no last name is given for her character in the credits, she is referred to as Mrs. Thompson by hospital staff.)