National Imaging Associates

Horizon NJ Health utilizes National Imaging Associates, Inc. (NIA) for the management of outpatient imaging services. NIA offers an online tool, RadMD, which provides registered users with instant access to high-tech imaging prior authorization information.

Horizon NJ Health’s physicians and health care professionals can use RadMD to submit all requests for authorizations online or you have the option to call NIA at 1-800-642-7299 to request authorizations for your patients’ exams. NIA’s Conciergo Facility Scheduling Program works with providers and their patients to select and schedule approved advanced imaging services.

Log on to for authorization information, including date initiated, date approved, exam category, valid billing codes (CPT) and much more.

Benefits of using include:

  • Quick and accurate viewing of patients’ authorization information
  • Secure access to protect your data and your patients’ personal health information
  • Continuous updates on authorization status, which reduces time spent on the phone with NIA
  • Fast authorization decisions available to you online
  • Technical support available if you have questions

To get started, go to and set up a unique user name and password for each individual user in your office. These unique user names and passwords should not be shared. This further protects patients’ personal health information.

RadMD is available between 8 a.m. to 8 p.m. Monday through Friday.

For assistance or technical support with the RadMD website, contact 1-877-80-RadMD (1-877-807-2363). RadMD is available 21 hours a day, seven days a week, except every other Saturday evening from 5 p.m. to 8 p.m. EST, when maintenance is being performed.