Doctors Mayo Clinic has one of the largest and most experienced practices in the United States, with campuses in Arizona, Florida and Minnesota. Staff skilled in dozens of specialties work together to ensure quality care and successful recovery. Find doctors and medical staff: edit search filters Close Narrow your search Doctor's Name, Condition Or Procedure By location Rochester, MN Phoenix/Scottsdale, AZ Jacksonville, FL By last name There are no doctors 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 There are no doctors 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 There are no doctors whose last name begins with the letter O O Find a doctor whose last name begins with the letter P P There are no doctors whose last name begins with the letter Q Q active 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 By procedures performed No results found By spoken language No results found 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 1-9 out of 9 doctors available Last Name Initial: R John T. Ratelle, M.D. Internist Hospitalist Rochester, MN Dennis W. Regan, M.D. Internist Rochester, MN Krystal M. Renszel, D.O. Internist Phoenix, AZ Areas of focus: Infection control Katie M. Rieck, M.D., M.H.A. Internist Hospitalist Rochester, MN Syed Ahsan Rizvi, M.D. Internist Hospitalist Palliative Care Specialist Geriatrician Rochester, MN Daniel L. Roberts, M.D. Internist Phoenix, AZ Areas of focus: Physical examination David J. Rosenman, M.D. Hospitalist Rochester, MN Areas of focus: Hospitalization Archana Roy, M.D. Internist Jacksonville, FL Areas of focus: Hospitalization Alexander J. Ryu, M.D. Internist Hospitalist Rochester, MN OverviewExpertise & rankings March 31, 2020 Share on: FacebookTwitter Hospital Internal MedicineSectionsOverviewDoctorsExpertise & rankingsLocations, travel & lodgingClinical trialsResearchCosts & insuranceNews from Mayo ClinicReferrals SectionsOverviewDoctorsExpertise & rankingsLocations, travel & lodgingClinical trialsResearchCosts & insuranceNews from Mayo ClinicReferrals ORG-20480829 Departments & Centers Medical Departments & Centers Hospital Internal Medicine