Like your doctor, your pharmacist plays an important role in helping you maintain your well-being. When you choose Mercy Pharmacy - Dierbergs 79 Crossing in St. Charles, located two miles west of Mid Rivers Mall, you’ll have a pharmacist who can assist you, not only with routine prescriptions but with hard-to-find and hard-to-fill ones as well.
St. Peters Pharmacy Services
Drive-thru drop-off & pick-up
Liquid flavoring
Flu shots
Immunizations
Injectable medications
Same-day service
24/7 online refills
Related Services
At Mercy, we offer compassionate care for a variety of treatment services, including:
COVID-19 Vaccine for anyone 12+ is now available at Mercy Pharmacy - Dierbergs 79 Crossing. Walk-ins are welcome, or call the pharmacy to schedule an appointment.
MyMercy+
Manage Prescriptions 24/7
Use your MyMercy+ account to quickly refill or renew. Download now.