Dr. Harding is a second generation radiologist. His father, Paul Harding, is one of the founding members of MCRG. Orlando has been the Harding Family home since 1930. He graduated from Boone High School and attended University of Florida for his undergraduate degree. He received his Doctorate in Medicine at UF in 1980. Dr. Harding completed his specialty training in Diagnostic Radiology at Vanderbilt University, in Nashville, TN. He was Chief Resident in Radiology in his final year and the Chairman of the American Academy of Academic Chief Residents in Radiology.

Dr. Harding is the Chief of Oncology Imaging for ORHS and the M.D. Anderson Cancer Center Orlando.

Dr. Harding is the Past-Chairman of Corporate Radiology for MCRG and Past-Chairman of Radiology for the Orlando Regional Medical Center. He has served as the Chief of Radiology at Sand Lake Hospital and St. Cloud Hospital, both divisions of the Orlando Regional Healthcare System.

He is Past-President of the Orange County Medical Society(OCMS). He also served as the President of Orange County Special Care, which provides specialty care for the county’s indigent. He has been Secretary, Treasurer, and Vice-President of the OCMS. He served on the Board of the OCMS and on the Board of the Florida Radiological Society. He has been a delegate to the Florida Medical Association. He is Past President of the Central Florida Ultrasound Society.

He was the Medical Director of the Valencia Community College (VCC) School of Radiological Technology for 16 years from 1986-2003 and served as an Advisor on the VCC Board of the College of Health Related Professions.

Dr. Harding has special interest in Trauma Imaging and is a member of the American Society of Emergency Radiology. He also has special interests in gastrointestinal imaging.

 He is a member of the American College of Radiology and Board Certified by the American Board of Radiology.

Dr. Harding was honored as a Fellow of the American College of Radiology in 2007.