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Mercy Pharmacy - Dierbergs Deer Creek Crossing

Pharmacy
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2979 Highway K
O Fallon, MO 63368

Phone: (636) 379-8910
Fax: (636) 530-3017
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Why Choose Mercy Pharmacy?

Like your doctor, your pharmacist plays an important role in helping you maintain your well-being. When you choose Mercy's Pharmacy at Dierbergs Deer Creek Crossing in O’Fallon, located at Highways K and N, 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.

Mercy Pharmacy Services in O'Fallon MO

  • 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 Deer Creek Crossing. Walk-ins are welcome, or call the pharmacy to schedule an appointment.

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