Invoice for un-admittiong in the hospital

Good day Kindly assist me on the 9th of january 2019 at 17H11 i received an sms from this number ********** ********** i think is the computer number .......the sms read as follows" Life healthcare Hi NHLAMULO MARINGA, your invoice for your Hospital stay has been generated Total due R5106.70 Regards Life Healthcare." I ve never being at life healthcare hospital in my life. will appreciate if u can investigate this matter for me. ********** 920