Dr. Andrew Blasius Johnston, MD

Dr. Andrew Johnston specializes in internal medicine and ophthalmology, bringing eight years of medical experience to his practice. He earned his medical degree from the University of Tennessee Health Science Center College of Medicine, establishing a strong foundation in both comprehensive internal medicine care and specialized eye health services. His dual specialty training allows him to provide coordinated care that addresses both general health concerns and vision-related conditions.

Dr. Johnston practices at multiple locations throughout Tennessee, including Knoxville, Memphis, Sevierville, Maryville, and Oak Ridge, with affiliations at Prisma Health Blount Memorial Hospital and Leconte Medical Center. He focuses on treating cataracts and dry eye conditions, including keratoconjunctivitis sicca. His procedural expertise includes cataract surgery, intraocular lens implants, and sedation services, helping patients restore clear vision and manage complex eye conditions with …comprehensive surgical and medical approaches.