Frequently Asked Questions about the Costco Member Prescription Program


The Costco member prescription program is NOT insurance.


The Costco Member Prescription Program is NOT insurance. The program is a value added benefit of a Costco membership that provides eligible Costco members and their eligible dependents with the ability to obtain lower prices on all medications.
Costco members and dependents under the age of 18 can join.
Costco's pharmacies are open to non-members where required by state law. The Costco Member Prescription Program is a value added benefit of a Costco membership. However, you do not have to become a Costco member or join CMPP to continue buying prescriptions at the pharmacy.
A dependent is under the age of 18 and a legal dependent of the member.
Yes, During the period of your deductible or any gap in coverage, and prescription medication that would otherwise be covered by your insurance if you were outside the deductible is available under the program.
Yes. You may join the Program and apply its discounts on medications that are not covered by your current insurance provider.
The Program does not pay or provide reimbursement for prescription drug purchases. It provides uninsured Participants with access to lower prices for all prescription drugs. Participants are required to pay the discounted price for the prescription in full at the time of purchase.
The Costco Member Prescription Program is offered at no additional change, it is a value added benefit of a Costco membership.
Joining the Costco Member Prescription Program is easy. Just complete a simple enrollment form available online or at any participating Costco pharmacy for each participant (the Member and each eligible dependent) and return it to your Costco pharmacist.
Yes, all prescription medications have a discount. Our Costco pharmacists can tell you the specific savings on your drugs. They can also recommend a similar medication for the one you have been prescribed that may have a higher discount.
The amount of any price reduction is determined at the time of purchase, based on additional negotiated discounts with suppliers and manufacturers regarding the drug(s) dispensed, and/or on Costco's net cost of purchasing certain drugs, both of which may change from time to time. You are welcome to ask your pharmacist about the amount of your savings under the Program when you purchase a prescription.
Once you have completed an enrollment form, Costco pharmacy personnel will identify you as a Program participant in the pharmacy's computer system. You will automatically be provided with Program pricing for all of your prescriptions. You can always ask your pharmacist about the amount of any savings when you purchase your prescription.
Costco will accept a transfer of your prescription from another pharmacy as long as the transfer is permitted under state law. Simply provide your local Costco pharmacy personnel with the prescription information and the names and phone numbers of the other pharmacies and they will arrange the transfer for you. Prescription refills for certain drugs called controlled substances cannot be transferred. Pharmacy personnel will let you know if your prescription falls into this category and will help you to obtain a new prescription from your doctor.
Prescription costs under the Program are based on Costco's financial arrangements with suppliers and manufacturers regarding the drug(s) dispensed and/or Costco's net cost of purchasing certain drugs. These factors change from time to time, which means that the exact amount you pay for a prescription or a refill, may differ.
The special pricing available through the Program applies only to prescriptions filled at a Costco pharmacy.
All US Costco pharmacies participate in this Program. Locate your local Costco Pharmacy.
Your date of birth is used by your pharmacist in applying drug safety protocols. The Program also uses it for identification purposes in the event another participant has the same name.
Costco's Notice of Privacy Practices is available online at You also can obtain a copy from any Costco pharmacy.
Costco takes its legal compliance obligations very seriously. The program is regulated in some states and not in others. We make every effort to comply with those laws that apply to the Program and to work with state regulators where necessary to clarify whether a law applies.
Don't worry. You do not need to present your card when using the Program. If you've enrolled as a Participant in the Program, your information should be in our computer system and you should still receive program pricing for your prescriptions. If you would like a new card, please complete another enrollment form and submit it to your local pharmacy. The Pharmacy will update your patient profile with this new card information. The staff may also handwrite your card information on a Costco business card as a replacement.
To ensure that records regarding your status are maintained appropriately, enrollment and cancellation of CMPP participation are handled by Costco pharmacists at participating pharmacies.