Mercy Pharmacy - Dierbergs Lake Saint Louis

6450 Ronald Reagan Drive
Lake Saint Louis, MO 63367

Phone: (636) 755-4571
Fax: (636) 755-4590
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Mercy Pharmacy Services in Lake Saint Louis

Like your doctor, your pharmacist plays an important role in helping you maintain your well-being. When you choose Mercy Pharmacy – Dierbergs Lake Saint Louis, located at the southwest corner of Ronald Reagan Drive and Orf Road, 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.

Pharmacy Services

  • Flu shots
  • Immunizations
  • Injectable medications
  • Same-day service
  • 24/7 online refills
Manage Prescriptions Online 24/7

Use your MyMercy account to quickly refill or renew. Log in now.

COVID-19 Vaccine for anyone 12+ is now available at Mercy Pharmacy - Dierbergs Lake Saint Louis. Walk-ins are welcome, or call the pharmacy to schedule an appointment.