All systems, including the RadMD portal, will be inaccessible the weekend of March 8 due to a scheduled system migration. The planned outage is scheduled to occur from 2pm CT on Friday, March 8 through 6am CT on Monday, March 11. We expect all systems to be fully functional by the morning of Monday, March 11. Learn more.

National Imaging Associates, a Magellan Health Services Company
Welcome to RADMD


Evolent (formerly National Imaging Associates, Inc.) offers a variety of helpful tools and educational resources for your use. See the list at the left of this page.

For Call Center Prior Authorization Phone Numbers, please log into RadMD. There is a link under Account Information - Quick Links with this information.

For state-specific Prior Authorization requirements, visit our Authorization Requirements here.