How do i order united healthcare over the counter? There are a few ways to order OTC items: Call the FirstLine Benefits customer service representatives at 1-800-933-2914. Learn more about the benefits of Dual Special Needs Plans from UnitedHealthcare Find a Plan Enter your ZIP code for plans in your area Shop Call Us Call UnitedHealthcare at 1-877-596-3258, TTY 711 (toll-free) Hours: 8 a. How to fill out and sign united healthcare catalog online? Get your online template and fill it in using progressive features. 2 hours ago Feb 21, 2019 · There are 2 ways to order. Evidence-Based Care. Read reviews, compare customer ratings, see screenshots, and learn more about UnitedHealthcare.