Costco Pharmacy in Tustin, CA, is highly regarded for its exceptional service and professionalism, particularly highlighted by the pharmacy manager, Derek Duc Doan. Customers appreciate his expertise in administering flu vaccines and his ability to make young patients feel comfortable and at ease. Derek’s friendly demeanor ensures that every visit is pleasant, making customers feel valued and cared for. Overall, the pharmacy team is noted for their efficiency and attentiveness, with minimal wait times reported even during busy periods. Many customers enjoy the welcoming atmosphere created by the staff, who are described as friendly and helpful. The pharmacy is part of a larger Costco experience, which includes convenient shopping alongside other stores. Additionally, the pharmacy has garnered a loyal following, with families expressing gratitude for the familiar and friendly service they receive. Overall, Costco Pharmacy in Tustin stands out as a reliable and customer-centric establishment, offering a top-notch pharmacy experience that keeps customers returning time and again.
Costco pharmacy is the best. The entire staff is kind and helpful, the best pharmacy staff I've ever encountered! There are rarely med shortages and they are super communicative if there are any issues. I'm slowly moving all of my prescriptions to Costco! 🙌🏻
February 2026
this is the best of the three costcos near irvine. pharmacy is organized and quick and the clerks remember you and call you when there are questions about your prescription.
text alerts are great and they have it together. i get prescriptions for me and my parents and it’s super efficient.
July 2025
Amazing Team, Pharmacy Manager Derek is absolutely Professional, Friendly and kind. One of rare ones who is really cares about the patient.