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.