An ultrasonic transducer device 100 includes a substrate 130, an ultrasonic transducer element array 110 that is provided on the substrate 130 and in which a plurality of ultrasonic transducer elements 111 are arranged, and an identification ultrasonic transducer element array 120 that is provided on the substrate 130 and in which a plurality of identification ultrasonic transducer elements 121 are arranged. Identification information of the ultrasonic transducer device 100 is set by some of the plurality of identification ultrasonic transducer elements 121 being set to a receivable state and the rest being set to a non-receivable state.