It is hard to know what was said. Other healthcare providers discuss cases with each other to help patients, not to hinder them. If she did not use your name, but was speaking generally, it may have been to get advice to help you. Either way, I agree that it is not actionable.
Yes, presuming that someone else isn't the physician involved with your care and treatment. Bear in mind that a HIPAA violation does not necessarily provide you with a private cause of action.