Doctor Profile Request an Appointment Location: Taylor Le Norman/McCasland Cancer Center Address: 2465 Whisenant Drive Suite 100 Duncan, OK 73533 Phone: (580) 251-6600 Fax: (580) 251-6627 Matthew McKeever MD Radiation Oncology Taylor Le Norman/McCasland Cancer Center Community: Duncan Medical School UT Southwestern (Dallas) Residency University of Chicago