Important Fax Transmission Notice Regarding Authorization Requests
8/15/2025
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Posted by Provider Relations
To ensure timely processing and avoid delays, providers should limit all prior authorization fax transmissions to 75 pages or less. Faxes exceeding 75 pages may be delayed or fail to process, which could impact our ability to efficiently and comprehensively process the request.
Tips for Successful Fax Transmission:
- Assure the fax is 75 pages or less in total, including cover page.
- Only include information related to the specific request.
- Break large documents into multiple faxes (each under 75 pages).
- Label each part clearly (e.g., “1 of 3,” “2 of 3,” etc.).
Fax Numbers for Utilization Management Authorization Requests:
- Physical Health - (800) 860-8720
- MLTC – (833) 710-1772
- Behavioral Health –
- Mental Health - (833) 561-0094
- Substance Use Disorder – (833) 663-1608
For additional questions, or if we can be of assistance in any way, please call Fidelis Care Provider Services at 1-888-FIDELIS (1-888-343-3547), or contact your Fidelis Care Provider Engagement Account Manager. To find your designated representative, please visit Contact Your Designated Provider Relations Specialist.