Education
- Tennessee Technological University, 1971
- M.D., University of Tennessee, Memphis, Tennessee, 1974
internship
University of Tennessee, Knoxville, Tennessee, 1975
residency
University of Tennessee, Knoxville, Tennessee, 1978
began practice at OSOR
1979
Board certifications
American Board of Orthopaedic Surgery, 1980
professional distinctions
- Roane-Anderson Medical Society
- Tennessee Medical Association
American Medical Association - Knoxville Orthopedic Society
Tennessee Orthopaedic Society - American Academy of Orthopaedic Surgery
special interests
- Sports Medicine
- Joint Replacement

Office info
OSOR:
865-481-2541
Appointments:
865-425-4227
90 Vermont Ave.
Ste. 300
Oak Ridge, TN 37830
Cletus J. McMahon, Jr., M.D.
Cletus J. McMahon, Jr., M.D. was born and raised in Oak Ridge, Tennessee and educated in the the Oak Ridge School System. Dr. McMahon attended Tennessee Tech University in Cookeville on Tennis scholarship. He received his medical degree from the University of Tennessee College of Medicine in Memphis. Dr. McMahon completed his internship and residency in orthopedic surgery at the University of Tennessee Medical Center in Knoxville. He has practiced orthopedic surgery in Oak Ridge since 1979 and is currently the President of OrthoTennessee.
Dr. McMahon has been the team physician for Oak Ridge High School Sports since 1980.
Dr. McMahon is married with four children, ranging in age from 17 to 25 years of age. He with his family enjoy sports and outdoor activities, especially on Norris Lake.


