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 By location Rochester, MN Phoenix/Scottsdale, AZ 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 There are no doctors 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 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 There are no doctors whose last name begins with the letter Y Y There are no doctors whose last name begins with the letter Z Z Reset all filters Displaying 1-9 out of 9 doctors available Last Name Initial: R David Raslau, M.D., M.P.H. Aerospace Medicine Specialist Internist Rochester, MN Basem M. Ratrout, M.D., M.H.A. Internist Rochester, MN Zayd A. Razouki, M.B., Ch.B., M.S. Internist Public Health and General Preventive Medicine Specialist Rochester, MN Dennis W. Regan, M.D. Internist Rochester, MN Steven W. Ressler, M.D. Internist Phoenix, AZ Areas of focus: Sport specific rehabilitation, Sports injury, Heart disease Lukas (Luke) W. Richards, M.D. Internist Rochester, MN Fernando A. Rivera, M.D. Internist Jacksonville, FL Areas of focus: Preventive care Susan A. Romanski, M.D. Internist Rochester, MN Barbara E. Ruddy, M.D. Internist Phoenix, AZ Request an Appointment at Mayo Clinic OverviewSpecialty groups June 11, 2020 Share on: FacebookTwitter General Internal MedicineSectionsOverviewDoctorsSpecialty groupsLocations, travel & lodgingClinical trialsResearchCosts & insuranceNews from Mayo ClinicResources for medical professionals SectionsRequest an AppointmentOverviewDoctorsSpecialty groupsLocations, travel & lodgingClinical trialsResearchCosts & insuranceNews from Mayo ClinicResources for medical professionals ORG-20461600 Departments & Centers Medical Departments & Centers General Internal Medicine