fax prior auth
ProAuth / Care Services authorization help — fax when instructed
508-368-9700
Prior-authorization requests when instructed to fax; supporting documentation for a pended authorization when portal attachments are blocked, with the authorization number referenced.
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Massachusetts
Not researched for this route
For help submitting authorizations or using ProAuth: prompt 7, then prompt 2.
Menus can change. No live call verification is claimed.
ProAuth is the preferred submission method. The March 14, 2026 training deck says to use 508-368-9700 if instructed to fax a request. The FAQ also identifies it for supporting documents when portal attachments are blocked. Inpatient notifications, facility levels of care and delegated services have different instructions. The inherited urgent-care fax was not reverified and is omitted.
View source ↗ · Source checked 2026-10-22 · fallon current proauth training ↗ · fallon current training index ↗
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