Doctor’s wife switching out all patient’s insurance

Hello… we as agents all know that Medicare rules and regs are strict. But doctors’ wives have unspoken advantage as they are already embedded in the clinic’s setting. And whether it’s legal or not, every single patient coming through their doors, the “office manager” badmouths the patient’s current insurance plan in an effort to switch them to something else so that the “office manager” is the AOR. How do you combat this?