tennessee medical association tennessee medical association the tennessee medical association (tma) is a professional organization for doctors of medicine (m.d.) and doctors of osteopathic medicine (d.o.) in tennessee. the group predates the national association of which it is a part, the american medical association, by well over a decade. history felix robertson was a charter member of the tma and president of the "medical society of tennessee" (original name) in 1834–1840 and 1853–1855. projects the tma organizes an annual conference and publishes a journal, tennessee medicine. people in may 2013 christopher e. young became the 159th president of the tma.