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 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, Atrial fibrillation, Depression, Heart attack, Acute coronary syndrome, Unstable arrhythmia, Embolic stroke Dawn E. Jaroszewski, M.D. Phoenix, AZ Area of Focus: Pectus excavatum surgery, Chest surgery, Thoracoscopy, Minimally invasive surgery, Pectus correction surgery, Thoracotomy, Pectus excavatum, Pectus carinatum, Lung cancer, Chest wall tumor, Thymic tumor, Mediastinal tumor Jacob C. Jentzer, M.D. Rochester, MN Area of Focus: Intensive care, Thoracentesis, Endotracheal intubation, Central venous catheterization, Pulmonary vein angioplasty, Shock, Heart attack, Sepsis, Kidney failure, Respiratory failure, Ventricular arrhythmia, Sudden cardiac arrest, Cardiogenic shock, Cardiorenal syndrome, Decompensated heart failure Bruce D. Johnson, Ph.D. Rochester, MN Phoenix, AZ Area of Focus: Cardiovascular disease prevention, Effect of high altitude, Hypoxia Jonathan N. Johnson, M.D. Rochester, MN Area of Focus: Heart transplant, Fetal echocardiogram, Transesophageal echocardiogram, Heart failure, Cardiomyopathy, Congenital heart disease, Congenital heart defects in children 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