There are three ways to verify eligibility for a Cigna-HealthSpring STAR+PLUS Member. Speak to a Cigna-HealthSpring Representative: Hidalgo and Tarrant SDA: 1 (877) 653-0331; Use Cigna-HealthSpring's Automated Eligibility Verification Line by calling 1 (866) 467-3126. Verify eligibility online using Cigna-HealthSpring's Provider Portal..