Mercy Pharmacy - Dierbergs 79 Crossing

Pharmacy
217 Salt Lick Road
St. Peters, MO 63376


Phone: (636) 970-3510
Fax: (636) 530-3007
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We've Converted to a New Electronic Record System

This update allows you to request prescription refills and track medications on MyMercy. Please allow a little extra time the first time you pick up a prescription after May 14 so we can verify your information in our new system.

Why Choose Mercy Pharmacy?

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

MyMercy

Manage Prescriptions Online 24/7

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