How to show 2 search possibilities on an Android app bar?

Here, need an advise on some layouts I’m working on: We have a mobile app (tablet only) used by doctors to access patients registered via a desktop app. Recently, we added biometric registration for these patients and I need to compliment for this addition on the App Bar.

The first challenge is to design the app bar in a way that makes the doctors aware that they can now search for patients via fingerprint, it used to be via name/I.D. Here are the screens I’m exploring. enter image description here enter image description here enter image description here