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Pharmacy Benefit Information

Pharmacy Benefit Information for members on the following plans: Individual/Family Plans and Employer-offered large and small group plans.
Effective Aug. 1, 2025: Capital Rx — our pharmacy benefits administrator — will transfer specialty prescriptions filled at Optum Specialty to Costco Specialty and mail order prescriptions at Optum Home Delivery to Costco Mail Order.

Formularies: List of Covered Prescription Drugs

To view your list of covered prescription drugs, select a formulary below specific to your plan.

Individual Members

Small Group Employer Members
(Bronze, Silver and Gold Plans)

Small Group Employer/My Plan PPO Individual Members
(Transitional Plans)

Large Group Employer Members

Pharmacy Locator & Drug Cost Calculator 

Group Plans Individual Plans

Select a plan to check the costs of your medications, look-up drug coverage and search for pharmacies.

Pharmacy Information & Locations

Find a Pharmacy

For 2024 pharmacy claim reimbursement requests, view the 2024 Pharmacy Claim Form.

Pharmacy Benefit Resources & Education

Upcoming Formulary Changes

ACA Preventive Care Medications

Under the Affordable Care Act, also known as the healthcare reform law, BSWHP covers preventive care medications at 100% without charging a copay, coinsurance or deductible. The following list of drugs and products require a prescription (including over-the-counter medications) and must be filled at a network pharmacy to be covered at no cost share.

Specialty Pharmacy Drug Program 

The Specialty Pharmacy Drug Program offers the choice of two specialty care pharmacies to help manage and access specialty drugs.

Mail Order Pharmacy 

We offer the convenience of home delivery for maintenance medications through Costco Pharmacy.

Medications Restricted to Pharmacy or Medical Benefit

BSWHP has certain medications that are restricted to the Pharmacy or Medical Benefit. For more information on these medications, visit the link below. :

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