MEMPHIS, Tenn. — A missing Memphis woman was found dead Tuesday, the Tennessee Bureau of Investigation announced.

TBI issued a Silver Alert on behalf of the Memphis Police Department Monday for 63-year-old Tanna Stevenson.

TBI said Stevenson, who had a medical condition, was last seen driving a black 2012 Nissan Maxima.

The cause of death is unknown at this time.

The TBI said in a statement, “We are saddened to share that Tanna Stevenson was located today in Memphis deceased. Our thoughts are with those who knew and loved her.”

Dr. Ocpivia Stafford, President of Methodist South Hospital, confirmed Stevenson worked as a concierge at the hospital and was loved by many.

“It is with immense sadness that I can confirm a beloved, former member of the Methodist South Hospital family, Tanna Stevenson, has passed away. Tanna worked as a concierge in the Emergency Room where patients were greeted by her sweet and kind spirit. As someone who was always willing to help others, our staff members are grieving her loss. Our sympathies are with her family.”