Oct 1, 2023 · There are three ways to file an appeal for Part B & C Determinations: Call Us: 1-800-960-2530 (TTY 1-877-247-6272) Monday - Friday, 8 a.m. to 6 p.m. (Appeals of Authorizations Only) Fax: 1-866-201-0657; Write: Wellcare, Appeals Department P.O. Box 31368 Tampa, FL 33631-3368; Overnight Address: Wellcare, Appeals Department 8735 Henderson Road ...