Mercy Clinic Women's Health - O'Fallon Suite 200

300 Winding Woods Drive
Suite 200
O Fallon, MO 63366
Fax: (636) 240-6822
Hours of Operation:
Monday, Tuesday, Thursday: 9 a.m. - 5 p.m. Wednesday: 10 a.m. - 5 p.m. Friday: 9 a.m. - 3 p.m.

As professional women and mothers, we understand the unique health care needs of women of every generation. In this changing healthcare environment, our OB/GYN practice is designed to accommodate the complex needs of our patients. We have offices in both O'Fallon and Ballwin. Please contact our office by calling 636-240-0130 to schedule an appointment at any locations.

Our comprehensive women’s health care services emphasize preventative care from the adolescent to postmenopausal stages of life.  We are committed to providing state-of-the-art surgical methods and up to date evidence based medicine. We are experienced in management of high risk pregnancies but also encourage a low risk, low intervention pregnancy care model.

Our Clinic

In addition to OB/GYN care, Dr. Gretchen Levey is now offering a weight loss management program for her patients. For more information on this program, please contact Dr. Levey, at 636-240-0130.

Dr. Leah Glass was recently featured on the website Motherly. Read her article about balancing her life as a young mom and an OB/GYN.

Mercy Clinic Women's Health-O'Fallon was awarded the Safety Certification in Outpatient Practice Excellence (SCOPE) by the American Congress of Obstetricians and Gynecologists (ACOG). This is the the first office in Missouri and one of the first OB/GYN practices in the country to be certified. SCOPE is a comprehensive patient safety review program for OB/GYN practices. For more information, please read this news release about this voluntary program.

Women's Health Forms

Our Providers

Christina Lee Byron, MD, Mercy
Obstetrics and Gynecology
Mercy Clinic
Leah Rose Glass, DO, Mercy
Obstetrics and Gynecology
Mercy Clinic
Gretchen H. Levey, MD, Mercy
Obstetrics and Gynecology
Mercy Clinic
Margaretta L. Mendenhall, MD, Mercy
Obstetrics and Gynecology
Mercy Clinic