Key Takeaways SMS reaches patients far more reliably than phone or email, with contact rates as high as 97 to 99 percent. The highest-performing setup is a three-message automated sequence: booking confirmation, a 48-hour reminder, and a day-of reminder. Staying compliant means TCPA opt-in consent, 10DLC campaign registration, and keeping all PHI (diagnoses, medications) out […] The post Patient Appointment Reminders via SMS: The 2026 Setup Guide for Healthcare Teams appeared first on SendHub .