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As of January 5, 2026, Part A and Part B Ohio providers may submit WISeR prior authorization requests for dates of service on or after January 15, 2026. Please review our revised webpages for new details, including:

  • WISeR Model Prior Authorization (PAR 457) form
  • New fax number: 615.660.5300
  • Contact information
  • WISeR Model Q&As 

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Recent News

Visit the Part A News page for all articles, alerts and updates.


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Education

Education Opportunities

  • January 7 – New to Medicare Part A
  • January 8 – The DDE Inquiry Menu
  • January 14 – National AB MAC Ambulance Provider/Supplier Coalition Meeting
  • January 20 – Understanding Your Credit Balance Report
  • January 21 – myCGS Lunch & Learn

Visit our Calendar of Events for details and to register.

CGS Customer Experience

Take our Medicare Customer Experience (MCE) survey!
We review every comment and use your valuable feedback to improve our services.

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