Perform a new searchEdit search filters close Narrow your search By conditions treated/procedures performed No results found By location Phoenix/Scottsdale, AZ Rochester, MN Jacksonville, FL By last name 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 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 active Find a doctor 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 Find a doctor 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 Reset all filters Search Tips Use quotes for phrases. Even if there are no auto-suggestions within the search field, hit "Search" anyway, as you may still get results. Displaying 1-7 out of 7 doctors available Last Name Initial: U Are new patients being accepted? Mayo Clinic is always welcoming new patients. When requesting an appointment, you will be matched with the best care team for your specific needs. Joon H. Uhm, M.D. Neurologist Rochester, MN Areas of focus: Brain metastasis, Brain tumor Ryan J. Uitti, M.D. Neurologist Jacksonville, FL Areas of focus: Botox injection, Deep brain stimulation Sarah B. Umar, M.D. Gastroenterologist Phoenix, AZ Michael S. Underhill, D.O. Family Physician Phoenix, AZ Areas of focus: Strain, Diabetes, Sports injury, Metabolic syndrome, Obesity, Allergy Andrej Urumov, M.D. Phoenix, AZ Rene L. Utianski, Ph.D. Rochester, MN Areas of focus: Primary progressive aphasia James P. Utz, M.D. Internist Pulmonologist Rochester, MN Areas of focus: Bronchoscopy, COPD, Sarcoidosis, Pulmonary fibrosis Your gift holds great power – donate today! DonateMake your tax-deductible gift and be a part of the cutting-edge research and care that's changing medicine. Donate