John Marmarou, MSPT is Director of Therapy Services for Exercise Care & Orthopedics. If arthritis and joint pain limits what you do, take action like Shelli Goldstein did. Call Exercise Care & Orthopedics (ECO) at 856-424-5552 and take the first step to less pain and better health. ECO is a multidisciplinary rehabilitation center that offers physical therapy, occupational therapy, speech therapy, and counseling services.�ECO is conveniently located at 1111 Marlkress Road in Cherry Hill, right off of Route 70 East and minutes from exit 34 on 295.