To get the phone number, you have to do a followup call per result. Have a look at https://developers.google.com/places/documentation/details
The property you want is 'formatted_phone_number'
Here is an example for one of your results from the URL you provided: https://maps.googleapis.com/maps/api/place/details/json?key=AIzaSyCej3iRHphjKOGUxNq0j2bk129bym0sAHY&sensor=false&reference=CnRsAAAAyDyREDepw3ELjGswuEyqkYlb-a25URGAvpCnX8VGRm0gj5kh52Tn89Wjk4t9X_XWBcXBmmHeJinih3k33x6qwSl5wkypx7QC2_W_EgRHY_Opwt3IQ_hiF3WmKpZsOZQ7UFEsd0ZzyQsimWk0er-YohIQ1tlr73MpzeOh2glY15m55xoU8JsfK3w-x9rgN55FGa6VhWQLGGY