Doctors Find a doctor whose last name begins with the letter A A Find a doctor whose last name begins with the letter B B Find a doctor whose last name begins with the letter C C Find a doctor whose last name begins with the letter D D Find a doctor whose last name begins with the letter E E Find a doctor whose last name begins with the letter F F Find a doctor whose last name begins with the letter G G Find a doctor whose last name begins with the letter H H Find a doctor whose last name begins with the letter I I Find a doctor whose last name begins with the letter J J Find a doctor whose last name begins with the letter K K Find a doctor whose last name begins with the letter L L Find a doctor whose last name begins with the letter M M Find a doctor whose last name begins with the letter N N active Find a doctor whose last name begins with the letter O O Find a doctor whose last name begins with the letter P P Find a doctor whose last name begins with the letter Q Q Find a doctor whose last name begins with the letter R R Find a doctor whose last name begins with the letter S S Find a doctor whose last name begins with the letter T T There are no doctors whose last name begins with the letter U U Find a doctor whose last name begins with the letter V V Find a doctor whose last name begins with the letter W W There are no doctors whose last name begins with the letter X X Find a doctor whose last name begins with the letter Y Y Find a doctor whose last name begins with the letter Z Z View All By Location: View All Rochester, MN D. Fearghas O'Cochlain, M.D. Patrick W. O'Leary, M.D. Rochester, MN Area of Focus: Echocardiogram, Congenital heart defects in children, Heart disease, Hypoplastic left heart syndrome, Congenital heart disease Jae K. Oh, M.D. Rochester, MN Area of Focus: Echocardiogram, Shortness of breath, Coronary artery disease, Heart valve disease, Cardiomyopathy, Pericarditis Lyle J. Olson, M.D. Rochester, MN Area of Focus: Echocardiogram, Heart failure, Myocarditis, Cardiomyopathy Thomas P. Olson, Ph.D., M.S. Rochester, MN Area of Focus: Cardiac rehabilitation, Cardiovascular disease prevention, Heart failure Steve R. Ommen, M.D. Rochester, MN Area of Focus: Echocardiogram, Heart valve disease, Hypertrophic cardiomyopathy Michael J. J. Osborn, M.D. Rochester, MN Area of Focus: Implantable cardioverter-defibrillator insertion, Pacemaker insertion, Endovenous thermal ablation, Heart arrhythmia Medical Professionals Cardiovascular Diseases & Cardiac Surgery Physicians