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 Jacksonville, FL Rochester, MN 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 active 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 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 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 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 There are no doctors whose last name begins with the letter Z Z Reset all filters Displaying 1-2 out of 2 doctors available Last Name Initial: D Robert J. Dalton, M.D. Rochester, MN Roxana S. Dronca, M.D. Hematologist Oncologist Jacksonville, FL Areas of focus: Chemotherapy, Immunotherapy, Bladder cancer, Kidney cancer, Melanoma, Merkel cell carcinoma, Prostate cancer, Testicula...r cancer, Ureteral cancer Show more areas of focus for Roxana S. Dronca, M.D. Request an Appointment at Mayo Clinic Conditions treatedSpecialty groups Oct. 10, 2019 Share on: FacebookTwitter Miller HL. Allscripts EPSi. Mayo Clinic, Rochester, Minn. March 14, 2016. NCI-designated cancer centers. National Cancer Institute. http://www.cancer.gov/research/nci-role/cancer-centers. Accessed April 22, 2016. Mayo Clinic Cancer Center. National Cancer Institute. http://www.cancer.gov/research/nci-role/cancer-centers/find/mayoclinic. Accessed April 22, 2016. Cancer Center of Excellence designation. Florida Department of Health. http://www.floridahealth.gov/provider-and-partner-resources/research/cancer-center-of-excellence-award.html. Accessed April 22, 2016. Mayo Clinic in Minnesota and Mayo Clinic in Phoenix/Scottsdale, Ariz., have been recognized among the top Cancer hospitals in the nation for 2019-2020 by U.S. News & World Report. Learn more about this top honor Oncology (Medical)Department homeSectionsRequest an appointmentOverviewConditions treatedDoctorsSpecialty groupsExpertise & rankingsLocations, travel & lodgingClinical trialsResearchThe Mayo Clinic experience & patient storiesCosts & insuranceNews from Mayo ClinicResources for medical professionals SectionsRequest an appointmentOverviewConditions treatedDoctorsSpecialty groupsExpertise & rankingsLocations, travel & lodgingClinical trialsResearchThe Mayo Clinic experience & patient storiesCosts & insuranceNews from Mayo ClinicResources for medical professionals ORG-20180179 Departments & Centers Medical Departments & Centers Oncology (Medical)