Since our beginning in 1977 Since our beginning in 1977, Holston Medical Group has grown from a handful of family physicians to a large, multi-specialty practice of more than 100 physicians, specialists and other mid-level providers. Our commitment to providing you the "best medicine" has been unwavering. While holding on to the importance of compassionate care, we have continually resolved to provide you with the latest state-of-the-art medical innovations.