MedEx was founded by Lauren Rubinson-Morris with a commitment to quality patient care combined with excellent customer service.

Lauren held leadership positions at several private ambulance companies until she opened MedEx in 1998. Lauren held the position of Comptroller/Office Manager for Reliable Ambulance Service from 1986-1990, Vice President of Administration for Tower Ambulance Service from 1990-1995, and Director of Business Development for American Medical Response, a publicly traded company, from 1995-1997. After 13 years of working for private ambulance providers in the industry, Lauren’s entrepreneurial spirit inspired her to start MedEx, with a focus on quality patient care and customer satisfaction, both to her customers and employees. 


Lauren started MedEx with 2 ambulances and 17 employees. The company has grown to over 50 ambulances and more than 350 employees.


MedEx is proud to service world-renowned facilities including, Ann & Robert H. Lurie Children's Hospital of Chicago, Kindred Hospitals of Chicago, LaRabida Children's Hospital, Swedish Covenant Hospital, University of Chicago Medicine, and University of Illinois Medical Center.