How to Fax to a Pharmacy (2025): Prescriptions, Prior Authorizations, and HIPAA Tips

Pharmacies still rely on fax for prescriptions, clarifications, and prior authorization packets. Here’s how to fax to a pharmacy professionally and securely.

What You Can Fax to a Pharmacy

• Prior authorization forms and supporting documentation
• Doctor’s orders and clarifications
• Insurance communications related to prescriptions
• Patient authorizations (as allowed)

Always follow state and pharmacy policies regarding controlled substances and electronic prescribing rules.

Preparing the Fax

1. Use a clear PDF (avoid photos where possible)
2. Include a cover sheet with patient initials and DOB only
3. Put the pharmacy name, store number, and fax number on the cover
4. Add prescriber NPI and contact number
5. Number pages (1/7, 2/7, …)

See templates: Free Fax Cover Sheets

HIPAA and Privacy

• Use encrypted fax services; avoid public Wi‑Fi
• Minimize PHI on the cover page
• Verify the destination number with the pharmacy directory label
• Save the delivery confirmation in the patient record

Learn more: Fax Security Guide

International or Travel Scenarios

Sending to a pharmacy abroad? Follow international number format with country code. See: International Faxing Guide and Country Codes List