Mercy Imaging Services - O'Fallon

Imaging, Labs or Tests
300 Winding Woods Drive
O Fallon, MO 63366

Phone: (636) 379-4301
Fax: (636) 379-4302
Monday-Friday: 8:30 a.m. - 5 p.m.
Services are provided by Mercy Hospital St. Louis Learn more »

Before We Get Started

In order to schedule your appointment, we need you to answer a few questions.

  • Do you have a personal history of breast cancer?
  • Do you have any current breast symptoms? (drainage, lump, pain not currently addressed by your doctor)
  • After your last mammogram, did your doctor recommend an annual screening?
  • Do you have a primary care physician who you've seen in the past 3 years?

Based on your responses


Your mammogram may require specialized attention. Please call to schedule your appointment.

Select a Visit Type

If you don’t see your preferred visit type, please call our office.
Screening Mammogram with 3D images
I am over 40, this is my first mammogram - ever or in a year - and I need to schedule my screening mammogram. I have had no previous complications. I realize that insurance may not cover the full cost of this scan (applies to residents outside of Arkansas).

To effectively treat an illness or injury, you must first have an accurate diagnosis. At Mercy Imaging Services – O’Fallon, we offer a variety of imaging services to help diagnose a wide range of health conditions. Our imaging services center provides the latest technology and a trusted team. All tests are interpreted by board-certified radiologists, many of whom have additional training and certification in specialized areas such as orthopedic MRI, neuro MRI, body MRI and breast imaging.

Our services include:

  • General X-rays 
  • CT Scans
  • Mammography
  • Bone density test
  • MRI
  • Ultrasound
  • DEXA BMI scans

We give you close-to-home access to advanced technologies, putting you on the fast track to diagnosis, treatment and recovery.