Prior authorization to UnitedHealthcare

UnitedHealthcare is one of the largest commercial insurers in the US, covering commercial, Medicare Advantage, and Medicaid members nationwide. Most PA requests are reviewed through the UHC Provider Portal. Before submitting, verify whether your procedure routes through a specialty program — imaging, behavioral health, and specialty pharmacy often have separate review pathways that require a different portal or additional documentation.

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UnitedHealthcare

CommercialMedicare AdvantageMedicaid
PA Fax
+18667449432
PA Phone
+18009004543
Standard turnaround
3 business days
Urgent turnaround
72 hours

Submit via fax or UHC Provider portal. Include clinical notes and supporting documentation.

UnitedHealthcare provider portal →

What you'll need

PortalFaxPhonePortal preferred
  • Ordering provider NPI
  • Patient member ID
  • ICD-10 diagnosis code(s)
  • CPT procedure code(s)
  • Clinical notes supporting medical necessity
  • Rendering/facility provider NPI (if different)
  • Date of service or requested start date
Common denial reasons
  • Medical necessity not established — include progress notes, labs, or imaging
  • Missing or incorrect NPI
  • Service excluded under member's specific plan
  • Duplicate request already on file

Verified 2026-05-20. Check payer site for current rules →

From $2.99 per submission

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PA Agent requires an account so you can track submissions, record outcomes (approved/denied), and pre-fill appeals automatically. It's free to join.

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Submission checklist

Provider name, NPI, practice name
Provider phone & fax number
Patient name, DOB, member ID
ICD-10, diagnosis, CPT, procedure
Clinical notes (min 50 chars · 0 entered)
Fax destination number
AI justification generated & reviewed

1 of 7 checks complete

Prior Authorization Request

1. Provider Information

2. Patient & Insurance

💬 Patient notifications: add the patient's email below and they'll automatically receive an email when you record the insurer's decision on the tracking page — no phone call needed.

3. Clinical Details

4. Clinical Notes

0/10000

5. AI Clinical Justification

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PHI notice: Clicking “Generate with AI” sends clinical notes and diagnosis to OpenAI for processing. Do not include information beyond what is clinically necessary. Review your organization's policies before submitting patient data to third-party AI services.

6. Submission Method

✓ Pre-filled with UnitedHealthcare's PA fax number.

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