August 10, 2011 – Zotec Partners a provider of medical billing, practice management and Radiology Information Systems (RIS) software and services, announced that Medical Center Radiologists (MCR) out of Norfolk, Va., signed a five-year contract extension with the company to continue as its billing services provider. Since 2007, MCR has relied on Zotec Partners to combat rising costs and declining reimbursement, and has increased collections year-over-year.