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 There are no doctors whose last name begins with the letter I I active 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 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 Phoenix/Scottsdale, AZ Allan S. Jaffe, M.D. Rochester, MN Area of Focus: Brain natriuretic peptide test, Troponin test, Fibrinogen test, Heart disease, Heart attack, Depression, Atrial fibrillation, Acute coronary syndrome, Unstable arrhythmia C. Charles Jain, M.D. Rochester, MN Area of Focus: Echocardiogram, Cardiac catheterization, Transesophageal echocardiogram, Heart valve disease, Congenital heart disease, Heart disease in pregnancy Dawn E. Jaroszewski, M.D. Phoenix, AZ Area of Focus: Minimally invasive surgery, Thoracotomy, Thoracoscopy, Pectus excavatum surgery, Chest surgery, Pectus correction surgery, Lung cancer, Pectus excavatum, Mediastinal tumor, Pectus carinatum, Thymic tumor, Chest wall tumor Jacob C. Jentzer, M.D. Rochester, MN Area of Focus: Intensive care, Thoracentesis, Central venous catheterization, Pulmonary vein angioplasty, Endotracheal intubation, Heart attack, Cardiogenic shock, Sudden cardiac arrest, Sepsis, Kidney failure, Ventricular arrhythmia, Shock, Respiratory failure, Decompensated heart failure, Cardiorenal syndrome Bruce D. Johnson, Ph.D. Rochester, MN Phoenix, AZ Area of Focus: Cardiovascular disease prevention, Hypoxia, Effect of high altitude Jonathan N. Johnson, M.D. Rochester, MN Area of Focus: Heart transplant, Transesophageal echocardiogram, Fetal echocardiogram, Heart failure, Congenital heart defects in children, Cardiomyopathy, Congenital heart disease Maan Jokhadar, M.D. Rochester, MN Area of Focus: Congenital heart defects in adults, Heart failure Hayan Jouni, M.D. Rochester, MN Medical Professionals Cardiovascular Diseases & Cardiac Surgery Physicians