Sizemore, Mark Edward, 61 of Tahlequah, OK passed away Monday, October 21, 2013. He was born July 18, 1952 in Tulsa, OK to Marvin and Charlotte Sizemore. He was a practicing doctor at The Tahlequah City Hospital. He enjoyed solitaire, boating, golf, cars and cigars. He is survived by his mother Charlotte Sizemore of Tulsa, OK, sons Jack Sizemore and his wife Nicole of Johnson, AR, Benjamin Sizemore of Tulsa, OK, sister Shelly Jordan and her husband Bill of Lilburn, GA and his brother Stephen Sizemore and his wife Huapei Chen of Austin, TX. Preceded in death by his father Marvin Sizemore.