The scene at the bar in which Michael and Rob are talking, there's a woman sitting at the table behind them who takes off her glasses. As the scenes shifts from showing Michael and Rob speaking back and forth, the woman sometimes has her glasses on and sometimes has them off.
No hospital employee would ever give out so much protected health information over the phone due to HIPAA regulations, especially someone who had been in the medical field for 10 years, as the character states. As soon as the husband stated she had died, the employee would have ended the call to do more research.