Quest Diagnostics Corona Main is a reliable and professional laboratory service that offers a wide range of medical tests and services. The location is conveniently situated inside the Citrus Valley Medical Group building, behind Walgreens near the corner of S. Main and Ontario Avenue. Customers have consistently praised the skilled and friendly staff, who are adept at drawing blood and making the process as smooth and comfortable as possible. The appointment-scheduling process is easy, and patients appreciate the priority given to those with scheduled appointments. However, some customers have experienced occasional issues, such as receiving confirmation texts for appointments that were not actually in the system, leading to longer wait times. The facility could also benefit from improved disinfection practices and the availability of more restrooms to accommodate the flow of patients. Overall, Quest Diagnostics Corona Main is a reliable and professional laboratory that provides quality services, with a focus on patient care and satisfaction. The location offers a range of tests, including routine lab tests, drug screenings, and pediatric specialty services, making it a convenient choice for the local community.
LaTanya W, was great. Thank you for making me laugh and being so efficient, I didn't even bruise. Time wise, it was perfect, I was able to get to work on time. THANK YOU!!
July 2026
I made the appointment online, checked in by simply opening a link on my phone, was seen on time & found the phlebotomist caring, professional and expert, to the point I didn't even feel the prick. I was in and out in 10 minutes. Really a perfect visit.
July 2026
I have nothing but a good experience at this Quest location (2250 S Main St, Corona). The staff has been great, friendly and helpful.