National Image Associates Requirements


National Imaging Associates - Prior Authorization Requests Online, Phone or Fax for Physical, Occupational and Speech Therapy Services

Effective December 1, 2021, Superior HealthPlan delegated utilization review for physical, occupational and speech therapy (PT, OT, ST) services that require prior authorization to National Imaging Associates (NIA) for the Superior’s Medicaid STAR, STAR+PLUS non HCBS Waiver and CHIP Programs.  Effective January 1, 2021, Ambetter from Superior HealthPlan delegated utilization review for these services to NIA for the Health Insurance Marketplace Program.   

NIA accepts prior authorization requests for PT, OT and ST services online, telephonically or by fax submission.  

NIA’s secure provider portal can be accessed at  The secure RadMD portal offers benefits to providers, including ease of use, real time response, and easy access to the status of the authorization process.  

  • Ease of use - Obtain access within minutes of submitting a new account application and begin to submit requests on the same day! RadMD is easy-to-use and available 24 hours, 7 days a week.

  • Efficiency - Submit authorization requests and obtain immediate feedback on each request.

  • Transparency - Easily track each request as it moves through the determination process.

  • Security - Safely and securely transmit documentation to NIA and can ensure that all case-specific clinical information has been received.

Providers can also submit prior authorization telephonically at 1-800-642-7554 or through fax at 1-800-784-6864.

Get contracted with Ambetter through Agility Insurance Services Now! 

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