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Dr. Jay Johnston


Phone (423) 439-4044

Dr. James R Johnston was a native of Smyrna TN before joining the U.S. Marines as an Infantryman in 1996. After his first enlistment he then joined the U.S. Army and was selected and trained as a Green Beret. During his 14 years in the Special Forces as a Medical and Team Sergeant he deployed seven times between Iraq and Afghanistan in support of the Global War on Terror and was awarded multiple awards to include Joint Commendation Medal for Valor, four Bronze Stars, Purple Heart and Combat Infantry and Medic Badges.  

He transitioned out of active service in 2013 after graduating from Campbell University in NC and attended James H. Quillen College of Medicine to obtain his M.D. He then attended the Kingsport Family Medicine Residency. During medical school he was nominated by his peers and inducted into the Gold Humanism Society and then subsequently as a resident received the Humanism and Excellence in Teaching Award. After residency Dr. Johnston matched into the AnMed Sports Medicine Fellowship in Anderson SC where he covered Clemson University, Anderson University and Southern Wesleyan University sports as part of his sports medicine training.  

Dr. Johnston joined ETSU Heath BucSports medicine clinic in July of 2022. He is one of two Team Physicians for ETSU Athletics as well as Daniel Boone and David Crockett High Schools. He splits his clinical time between the ETSU Athletics training room and BucSports medicine clinic on Jack Vest Drive treating local athletes and the public. Dr. Johnston is trained in advanced musculoskeletal diagnostic and procedural ultrasound. He also performs advanced Regenerative Medicine procedures to include both High and Low value Platelet Rich Plasma (PRP) therapies as well as fat derived Mesenchymal Stem Cells (MSC) and Bone Marrow Aspirate Concentrated (BMAC) cells for osteoarthritis other sports related injuries.  

Dr. Johnston is board certified by American Board of Family Medicine and holds a Certificate of Added Qualification for Sports Medicine. He is also a Fellow of the Wilderness Medicine society (WMS) and member of the American Medical Society of Sports Medicine (AMSSM), American College of Sports Medicine (ACSM), American Orthopedic Society for Sports Medicine (AOSSM), American Academy of Family Physicians (AAFP), Special Operations Medical Association (SOMA) and a member of the Biologic Association. He maintains his National Registry of Emergency Medical Technicians certification as a Paramedic and has been licensed for over two decades. 

Dr. Johnson enjoys sports, building all types of projects, spending time with his family and the outdoors. He and his wife Elizabeth have been together for over two decades and have three boys, James, Justin, and Joseph.  


Gray J., Linklater D.R., Johnston J.R., Donham B... Pediatric Trauma: Management From an Austere Prospective. Child-specific battlefield resuscitation for initial providers, pediatric resuscitation education & training strategies to decrease morbidity & mortality associated with children in combat.  Journal of Special Operations Medicine. 2017, Jan; 17(1): 46-53.   

McKay S.D., Johnston J.R., Callaway D.W... Redefining Technical Rescue and Casualty Care for Special Operations Forces: Part 1. Article on the required evolution within the current rescue paradigm to shift from civilian-based rescue guidelines towards a flexible Operational Rescue capability. Journal of Special Operations Medicine. 2012, Oct; 12(4): 86-93.   

Johnston J. R. , Donham B.. Exertional heat stroke: clinical significance and practice indications for special operations medics and providers. Article covers appropriate planning, rapid diagnosis, & aggressive treatment of heat stroke to reduce mortality in training and in combat. 

 Journal of Special Operations Medicine. 2012, Mar; 12(2): 2-7.   

Johnston J.R. Callaway D.W.. (2015). Chapter 74 Vehicle-borne Improvised Explosive Devices (VBIEDs). An Introduction, historical perspective and current tactics in the use of VBIEDs, to include, VBIED indicators and pitfalls in planning and management of VBIED detonations. Ciottone's Disaster Medicine, Second Edition. (pp. 455-458).   

Phillips J.P., Johnston J.R.. (2015). Chapter 73 Improvised Explosive Devices (IEDs) An Introduction, historical perspective and current tactics in the use of IEDs, to include, IED indicators and pitfalls in planning and management of IED detonations. Ciottone's Disaster Medicine, Second Edition. (pp. 449-454).