CalOptima Health

Prior authorization

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

prior authorization

Utilization Management — inpatient post-stabilization, office hours

Official page read
Phone714-246-8686Published hours

Monday–Friday 8 a.m.–5 p.m. PST, as stated by the source.

Product, plan and location

medicaid · medicare advantage
California

Mailing address

Not researched for this route

Menu guidance in the source record

Option 2 for inpatient.

Menus can change. No live call verification is claimed.

Obtain a tracking number first; the nurse case manager supplies the fax destination for clinical information. This route is specifically for inpatient post-stabilization authorization.

View source ↗ · Source checked 2026-10-22

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

prior authorization

Utilization Management — inpatient post-stabilization, after hours

Official page read
Phone714-403-1732Published hours

Monday–Friday 5:01 p.m.–7:59 a.m. PST; all day Saturday, Sunday and holidays.

Product, plan and location

medicaid · medicare advantage
California

Mailing address

Not researched for this route

Published after-hours inpatient post-stabilization route. Obtain the tracking number and case-specific clinical fax from the UM team.

View source ↗ · Source checked 2026-10-22

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

fax prior auth

Medi-Cal — routine and retrospective medical authorization fax

Official page read
Phone714-246-8686Fax

714-246-8579

Published hours

Not published in this record

Product, plan and location

medicaid
California

Mailing address

Not researched for this route

Current linked ARF has an older revision; current September 2026 manual F1 page 100 independently confirms routine and retrospective fax routing. Use the urgent route only when its criteria apply.

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

fax prior auth

Medi-Cal — urgent medical authorization fax

Official page read
Phone714-246-8686Fax

714-338-3137

Published hours

Not published in this record

Product, plan and location

medicaid
California

Mailing address

Not researched for this route

Current linked ARF and September 2026 manual F1 page 100 agree on this urgent fax. Urgent requests must meet the source’s clinical urgency criteria.

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

fax prior auth

OneCare — medical authorization fax

Official page read
Phone714-246-8686Fax

714-571-2440

Published hours

Not published in this record

Product, plan and location

medicare advantage
California

Mailing address

Not researched for this route

Current linked OneCare ARF and September 2026 manual F1 page 103 confirm this fax for routine, retrospective and urgent medical authorization requests. Delegated health-network responsibilities still apply.

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

Help the next office

How did your call go?

Share a structured call experience or flag a contact correction. Submissions are reviewed before publication. Patient details, recordings and documents do not belong here.

Share a call experience

Share a call experience

Suggest a contact correction

Suggest a correction

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?

Explore how DialClerk organizes the brief, hold time and staff handoff for your next administrative call.

For the people making the calls

Put payer follow-up
on your office’s worklist.

Explore DialClerk for queued calls, hold handling, staff handoffs and a record of the next step. Tell us how your team works.

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

See how it could work for your practice