January 1, 2019: EnvisionMail has replaced Costco as our PPO Plan prescription mail order pharmacy. If you have a mail order prescription, you are now receiving your medication from EnvisionMail. To set up prescription mail order for the first time, visit www.envisionpharmacies.com or call 1-866-909-5170. Also, our specialty medications provider is now EnvisionSpecialty. For information about specialty medications, visit www.envisionspecialty.com or call 1-877-437-9012.