National Imaging Associates Inc

National Imaging Associates, Inc. (NIA) is responsible for prior authorization for advanced imaging services and cardiac imaging.

Prior authorization requests must be submitted to NIA online or by phone as follows. NIA does not accept fax submissions.

www.RadMD.com (24 hours a day, seven days a week, except when maintenance is performed once every other week after business hours)

National Imaging Associates Contact Information
PRODUCT HOURS OF OPERATION PHONE NUMBER
Commercial  Monday through Friday, from 8 a.m. to 8 p.m. 800-424-4802
Medi-Cal Monday through Friday, from 8 a.m. to 8 p.m. 800-424-4809