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How to Fax a Prior Authorization Form Online | SendAFaxNow

How to Fax a Prior Authorization Form Online (No Fax Machine)

Need to fax a prior authorization (PA) form to an insurance company, pharmacy benefit manager (PBM), or healthcare provider — but don’t have a fax machine? You’re not alone. Prior auths are often time-sensitive and critical to a patient’s care.

With SendAFaxNow.com, you can fax your prior authorization form online in minutes — directly from your phone or computer. No account. No subscription. No delays.

Who Typically Faxes Prior Authorization Forms?

  • Doctor’s offices and clinics
  • Pharmacies and specialty pharmacies
  • Patients submitting urgent medication or procedure requests
  • Home health agencies and care coordinators

Prior authorizations are used to request coverage approval for medications, procedures, imaging, or referrals before they’re provided. Insurance companies often require fax submission for fast processing.

What Insurance Companies Accept Faxed Prior Auths?

  • UnitedHealthcare
  • Blue Cross Blue Shield
  • Aetna
  • Cigna
  • Humana
  • OptumRx / Express Scripts / CVS Caremark (PBMs)

Fax numbers vary by plan and form type — always check the provider portal or contact the payer for the correct fax number before submitting.

How to Fax a Prior Authorization Form Online (Step-by-Step)

  1. Step 1: Complete the prior authorization form (PDF or printed and signed)
  2. Step 2: Scan or take a clear photo of the form and any required documents
  3. Step 3: Go to SendAFaxNow.com
  4. Step 4: Enter your name, email, and the insurance company’s fax number
  5. Step 5: Upload your files (PDF, JPG, PNG, DOC)
  6. Step 6: Click “Continue to Payment” and submit your fax
  7. Step 7: Receive email confirmation with delivery details

Need help preparing your document? Our How It Works page walks you through the upload process.

What to Include with Your Fax

  • Completed PA form (signed and dated)
  • Prescription or procedure code (e.g., J-code, CPT code)
  • Clinical notes, lab results, or supporting documents
  • Contact info in case the payer needs clarification

Accepted File Types

  • PDF (preferred)
  • JPG or PNG (scanned or photographed pages)
  • DOC or DOCX

Why Use SendAFaxNow.com?

  • No login or subscription required
  • Pay-per-fax — no recurring charges
  • HIPAA-conscious delivery — encrypted and deleted after send
  • Email confirmation included
  • Works on mobile or desktop

Real-Life Use Cases We Help With

  • A doctor’s office submitting urgent prior auth for chemotherapy
  • A pharmacist faxing a specialty medication request
  • A patient uploading their PA form for imaging or surgery approval
  • Home health team sending insurance forms for durable medical equipment

What If You Don’t Know the Insurance Fax Number?

Check the payer’s website, patient portal, or prior authorization form instructions. You can also try our Fax Near You tool to find common insurance and PBM fax lines.

Final Thoughts

Prior authorizations don’t wait — and neither should you. Whether you’re a patient or a provider, SendAFaxNow.com helps you submit urgent insurance documents without the frustration of outdated hardware.

Click here to fax your prior authorization form now. Fast, secure, and fax-machine free.

SendAFaxNow.com — because access to care shouldn’t be delayed by paperwork.