MURFREESBORO, TENN. – Austin Mackens, M.D. is a board-certified, family medicine physician who is now practicing at Murfreesboro Medical Clinic (MMC). Originally from Murfreesboro, Dr. Mackens graduated cum laude from Maryville College in Maryville, Tennessee where he earned a B.A. in Biology with a minor in Biochemistry. He earned his medical degree from the University of Tennessee Health Science Center in 2010 and completed his residency in Family Medicine at the University of Tennessee, ...