The phrase should imply they will call you back — not that you desperately hope they’ll call you. And whatever phrase you choose to use, make sure it sounds like something you’d naturally say so you can deliver it with a confident tone.
By asking for information such as full patient name, date of birth, and phone number, you can increase your chances of being able to successfully return a call, even if the message is difficult to decipher.

When you leave a voicemail do not use your full name because that immediately raises a red flat that you are a salesperson making a cold call. Instead, say your first name only followed by your company name. This will make your customer feel that you are much more familiar with each other than you really are. Saying your last name would defeat the whole purpose of demonstrating familiarity.
Some of us may still remember a time when voicemail was a blank canvas for pranksters and humorists. They would use voicemail greetings as a place to begin recordings as if they were answering the phone (“Hello? I can’t hear you… Just kidding! Leave a message…”) or to flash some personality with music or themed messages. Unless your business is a costume rental facility or joke and magic trick shop, it’s best to avoid this strategy. Instead, try to remember a few key points to focus on-