Dr McIntyre's training was received from King Edward's School, Birmingham.
In 1978 he received a scholarship to Lincoln College, Oxford.
In 1981 he received a Master of Arts (MA) in Physiological Sciences, at Oxford.
In 1984 he obtained a Bachelor of Medicine and Surgery (MBBS), Westminster Medical School, in London.
He was Senior House Officer, at St George's Hospital in London and a Registrar at St Thomas' Hospital, London.
From 1990 -1992 he was a British Heart Foundation Junior Research Fellow, Department of Physiology, St Thomas' Hospital, London.
Doctor of Medicine (MD), "The Electromechanical Properties of Hypertrophied Human Myocardium", 1994.
Dr McIntyre was appointed Consultant Physician to the Conquest Hospital, Hastings, in 1995. He was also appointed clinical director in medicine from 1997 to date. In 1999 he was an honorary consultant cardiologist to the Brompton Hospital, London and in 2000 was appointed Fellow of the Royal College of Physicians.
Dr McIntyre is an invited speaker and chair at national and international meetings on hypertension and heart failure.
His publications include research articles and editorial comments.