CVS Pharmacy in O'Fallon is a convenient and friendly neighborhood pharmacy that values its customers' health and wellness. The staff, including pharmacists and other team members, are consistently described as professional, knowledgeable, courteous, and helpful. Customers appreciate that they receive notifications when their medications are ready for pickup and that staff members are attentive to their concerns. The pharmacy offers a welcoming environment where people feel comfortable asking questions, and staff members often take the time to research answers if needed. The pharmacy team is known for being quick and efficient, especially the male pharmacist who maintains short wait times and smooth service. Most locations are open seven days a week, including nights and weekends, making it easy to access prescriptions and everyday essentials when needed. While some customers have experienced occasional delays or longer wait times during busy hours, overall, the pharmacy is highly recommended for its helpful staff and reliable service.