Find Internal Medicine Near: O Fallon Saint Peters Internal Medicine Old Monroe Internal Medicine Lake Saint Louis Internal Medicine Wentzville Internal Medicine Winfield Internal Medicine Moscow Mills Internal Medicine Saint Charles Internal Medicine Foristell Internal Medicine Earth City Internal Medicine Defiance Internal Medicine Local Results for Internal Medicine Dr. Kevin D. Weikart, MD, FACP Doctor Accepts Medicare. Click Here to Learn More 1002 Peruque Crossing Court, Suite 101O'Fallon, MO 63366 View Phone Click to View Phone 636-887-0812 James Ketchum, MD Click to schedule an appointment 300 Winding Woods Drive, Suite 214O Fallon, MO 63366Mercy Clinic Internal Medicine - O'Fallon View Phone Click to View Phone 636-614-3280 Fax: 636-272-3680 Geraldine Ryan, MD Click to schedule an appointment 2223 Technology Drive, Suite 35O Fallon, MO 63368Mercy Clinic Family Medicine - WingHaven View Phone Click to View Phone 636-561-5999 Fax: 636-561-4746 Tejaswini Nayak, MD 12.2 Miles Click to schedule an appointment 1820 Zumbehl Road, Suite 120ASt. Charles, MO 63303Mercy Clinic Internal Medicine - Zumbehl Road View Phone Click to View Phone 636-928-1237 Fax: 636-928-0397 Don't Know Who to Call? Searching for a qualified internal medicine in your area? Call Us for Assistance: 1- Return to First-Page Internal Medicine Unfortunately, no results were found for your request. Please try again.