Prescription Drugs

What is Express Scripts (ESI) and what do they provide?

Express Scripts (ESI) is the administrator for the prescription drug plan. When you purchase your prescriptions at a participating retail pharmacy, or use the ESI Mail Order or Walgreens Smart90 program for your maintenance medications, you will save money on covered medications through the ESI negotiated rates, even when you are still in the process of satisfying your annual deductible. You may even pay nothing out of pocket for eligible preventive medications!

What is the website for Express Scripts (ESI)?

Before you become a member, you can check their pre-enrollment website to learn more about Express Scripts, check to see if your medication is covered and the estimated cost. Members can log on at to view their specific information.

When will I receive a prescription drug ID card from Express Scripts (ESI)?

Generally, it takes up to 14 business days for cards to arrive after Express Scripts receives and processes your enrollment.