Request an Appointment Address: 2434 Harville Road Suite 100 Duncan, OK 73533 Phone: 580-255-8564 Hours / Visiting Hours Monday - Thursday8:00 AM - 5:00 PMFriday8:00 AM - 12:00 PM Fallingwater Medical Associates New patients are being accepted. Care Team F. James McGouranMDFamily MedicineWomen's HealthAngela GibbonsPA-CFamily Medicine