Meet Our Physicians
Orthopedic Surgeons Knoxville & Athens, TN
David Hovis, MD
Dr. David Hovis of ORTHOKnox in Knoxville and Athens, Tennessee, is a board certified orthopedic surgeon with a subspecialty certification in sports medicine. He has practiced Orthopaedic Surgery for over 20 years, and has a special ability to connect with patients, diagnose their problems, and return them to an active lifestyle.
Dr. Hovis specializes in shoulders and knees. He performs a high volume of shoulder and knee surgeries every year. As an expert in arthroscopic, minimally-invasive surgery, his clinical focus is on rotator cuff repairs, shoulder instabilities and labral tears, ACL reconstructions, and cartilage restoration procedures. He uses Orthobiologics, including stem cell injections and PRP injections in the treatment and recovery of patient’s injuries.
Dr. Hovis performs MAKOplasty® robotic partial and total knee replacements and has completed the highest volume of MAKO partial knee replacements of any doctor in the region.
After graduating Cum Laude from Duke University with a bachelor of science degree, Dr. Hovis earned his medical degree with honors from Vanderbilt University in Nashville. He then went to Dallas, where he completed a general surgery internship at Parkland Memorial Hospital and an orthopedic residency with honors at the University of Texas-Southwestern.
Dr. Hovis continued his professional training with a sports medicine fellowship at the prestigious Steadman-Hawkins Clinic in Vail, Colorado. While there, he served as an assistant team physician for the Denver Broncos football team.
He went on to complete a traveling fellowship in shoulder surgery at the University of Zurich in Switzerland, where he performed reverse total shoulder replacements years before they were available in the United States.
While serving as a team physician for the US Alpine Ski Team, Dr. Hovis worked closely with the Olympic Committee. His research is published in numerous peer-reviewed journals, including topics on sports medicine and treatments for knee and shoulder injuries.
Dr. Hovis is a member of numerous professional organizations, including the American Academy of Orthopaedic Surgeons, the American Orthopaedic Society for Sports Medicine, the Arthroscopy Association of North America, and the International Society of Arthroscopy, Knee Surgery, and Orthopaedic Sports Medicine. His local affiliations include the Tennessee Orthopaedic Association, the Tennessee Medical Association, and the Knoxville Academy of Medicine.
Ryan Mitchell, MD
Dr. Ryan Mitchell of ORTHOKnox in Knoxville and Athens, Tennessee, offers comprehensive orthopedic care to his patients, and his extensive professional training in sports medicine helps athletes of all abilities rehabilitate from injuries and maintain optimal health and performance.
After graduating summa cum laude and class valedictorian from Lipscomb University with a Bachelor of Science in Biology, Dr. Mitchell received his medical degree at the University of South Alabama College of Medicine. He then went on to complete a prestigious sports medicine fellowship at the renowned Sports Orthopedic and Rehabilitation Medicine (SOAR) in San Francisco.
Dr. Mitchell is a board certified orthopedic surgeon and holds professional memberships in the American Academy of Orthopaedic Surgeons, the American Orthopaedic Society for Sports Medicine, and the Arthroscopy Association of North America. He’s also a member of the Alabama Orthopaedic Society and the Christian Medical and Dental Association.
A respected expert in all areas of sports medicine, Dr. Mitchell has presented at multiple medical symposiums and conferences. He has also been published in peer-reviewed medical journals and participated in several research projects.
Dr. Mitchell has extensive team coverage experience, including on-field coverage and pre-participation physicals for several high school and collegiate teams.
He has received numerous accolades and awards, including:
- Collegiate First Team All-American Scholar for Community College: 2003-2004 – Lurleen B. Wallace Community College (Community College version of Academic All-American)
- Alabama Community College All-Region First Team in the Southern League: 2004 – Lurleen B. Wallace Community College
- Atlantic Sun Conference Academic All-Conference: 2005-2006 – Lipscomb University
- NCAA CoSIDA and ESPN the Magazine First Team Academic All-American Baseball: 2006 – Lipscomb University
J. Mark MacNaughton, MD
J. Mark MacNaughton, MD, is an orthopedic surgery specialist located in Knoxville, Tennessee. Dr. MacNaughton has been in private practice in Knoxville, Tennessee, since 1992 and was in solo practice prior to joining ORTHOKnox in January 2019. Dr. MacNaughton is affiliated with Tennova Turkey Creek Medical Center, Parkwest Medical Center, and Cumberland Medical Center.
Dr. MacNaughton completed his medical education at the University of Tennessee Center for the Health Sciences, in Memphis, Tenessee. He went on to complete his residency at the Georgia Baptist Medical Center in Atlanta, Georgia. He is board-certified by the American Board of Orthopedic Surgery.
J. Mark MacNaughton, MD, and the ORTHOKnox team provide personalized care with modern orthopedic services in Knoxville, Tennessee. As a general orthopedic surgeon, Dr. MacNaughton enjoys performing procedures that meet the needs of each individual patient. Dr. MacNaughton has a special interest in joint replacement surgery, including computer-assisted procedures for partial and total knee replacements.
Neil Stoner, PA-C
Neil Stoner of OrthoKnox in Knoxville and Athens, Tennessee, works as a certified physician assistant with Dr. David Hovis. He serves as first assist in surgery as well as seeing patients in the clinic.
A Knoxville native, Neil graduated from Farragut High School and then earned his bachelor of science degree in kinesiology from the University of Tennessee, Knoxville. Immediately following undergraduate school, Neil entered the physician assistant program at Lincoln Memorial University in the DeBusk College of Osteopathic Medicine located in Harrogate, TN. He graduated in 2014 earning a master of medical science degree in physician assistant studies. Upon completion of his physician assistant education, Neil worked at an orthopedic clinic in Vero Beach, FL. Neil is an NCCPA certified physician assistant, licensed in the state of Tennessee and is a member of the American Academy of Physician Assistants, along with the Tennessee Association of Physician Assistants.
In June 2016, Neil and his wife, Leslie, returned to the Knoxville area from Vero Beach to join Dr. Hovis and the OrthoKnox team.
Samuel Lee Conaway, PA-C
Samuel Lee Conaway of ORTHOKnox in Knoxville and Athens, Tennessee, is a certified physician assistant (PA-C) and licensed advanced emergency medical technician (AEMT) with certifications in advanced care life support (ACLS), pediatric advanced life support (PALS), and basic life support (BLS) by the American Heart Association.
An alumnus of the University of Tennessee in Knoxville, where he majored in education and kinesiology and graduated magna cum laude, Samuel earned his master of medical science in physician assistant studies at the university’s Health Science Center in Memphis, Tennessee.
Before joining ORTHOKnox, Samuel obtained extensive clinical experience in internal medicine, emergency medicine, general surgery, cardiothoracic surgery, and medical critical care at the University of Tennessee Medical Center; family medicine and pediatrics at Tennessee Valley Primary Care in Jefferson City; and psychiatry at TrustPoint Hospital in Murfreesboro, Tennessee.