Jennifer Mary Gassner, MD 300 Winding Woods DriveSuite 200O Fallon, MO, 63366Mercy Clinic Women's Health - O'Fallon Suite 200 View Phone 636-240-0130 Fax: 636-240-6822 300 Winding Woods Drive, Suite 200O Fallon, MO 63366Mercy Clinic Women's Health - O'Fallon Suite 200 View Website Experience & Reliability About Send to My Email Send to My Phone Print this Page