Imperial Health Plan of California Medicare Advantage; source is the 2025 Medicare provider manual (still linked on the current provider page). UM phone and standard outpatient fax; do not combine multiple specialties in one fax.
Menus can change. No live call verification is claimed.
Pre-certification referral form: urgent (expedited) requests by fax; call the main number option 1 to check referral status. A second standard fax (888-910-4412) also appears on the form.
Wait time: not establishedBest time from caller reports: not established. Published hours are not a wait forecast.
fax prior auth
Inpatient authorization fax
Official page read
Phone
No phone listed for this route
Fax
888-901-2526
Published hours
Not published in this record
Product, plan and location
medicare advantage California
Mailing address
Not researched for this route
Imperial Health Plan of California Medicare Advantage; source is the 2025 Medicare provider manual (still linked on the current provider page). Inpatient UM fax.
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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.
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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.
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