Prior authorization

Locate authorization teams and submission faxes. Medical, pharmacy and delegated reviews can follow different routes.

prior authorization

Authorization requests (Utilization Management) — phone

Official page read

Phone888-995-1690Fax

800-308-1107

Published hours

Monday-Friday 8 a.m.-5:30 p.m. Eastern (per 2026 provider manual)

Product, plan and location

medicare advantage
National contact — confirm product and location

Mailing address

Not researched for this route

Quick reference guide 'Authorization Requests (UM)'. Online prior authorization requests are accepted 24/7; some specialties route to partner vendors, so use the online auth tool first.

View source ↗ · Source checked 2026-10-25 · 2026 provider manual: UM hours and prior authorization fax ↗

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Wait time: not establishedBest time from caller reports: not established. Published hours are not a wait forecast.

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Call preparation · editorial guide

Make the call count.

Locate authorization teams and submission faxes. Medical, pharmacy and delegated reviews can follow different routes.

Have ready in your secure workspace

Ordering and rendering provider details
Service codes, requested dates and units
Existing authorization or submission reference

Questions to resolve

Is this the correct reviewer for this service and product?
Which documents are missing, and where should they be sent?
What is the case number and next status-check date?

This is a general administrative checklist, not payer policy or advice about a particular patient. Confirm the current plan instructions.

For healthcare offices

Found the contact. Still need to make the call?

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For the people making the calls

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A request does not create an account or start a call. Use business contact information only. No patient information.