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 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 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 active 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 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 Find a doctor whose last name begins with the letter Z Z By conditions treated No results found By procedures performed No results found By spoken language No results found Reset all filters Displaying 1-6 out of 6 doctors available Last Name Initial: H Tufia C. Haddad, M.D. Oncologist Rochester, MN Areas of focus: Therapeutic program, Breast cancer Thorvardur (Thor) R. Halfdanarson, M.D. Hematologist Oncologist Rochester, MN Areas of focus: Gastrointestinal stromal tumors, Pancreatic neuroendocrine tumor, Neuroendocrine carcinoma Lynn C. Hartmann, M.D. Internist Oncologist Rochester, MN Areas of focus: Breast cancer risk assessment, Breast cancer, Ovarian cancer Thai H. Ho, M.D., Ph.D. Internist Oncologist Phoenix, AZ Areas of focus: Prostate cancer, Kidney cancer, Bladder cancer Timothy J. Hobday, M.D. Oncologist Rochester, MN Areas of focus: Chemotherapy for breast cancer, Breast cancer, Pancreatic neuroendocrine tumor, Neuroendocrine carcinoma Joleen M. Hubbard, M.D. Oncologist Rochester, MN Areas of focus: Hepatocellular carcinoma, Stomach cancer, Pancreatic cancer, Colon cancer, Anal cancer, Esophageal cancer, Rectal cance...r, Cholangiocarcinoma Show more areas of focus for Joleen M. Hubbard, M.D. Request an Appointment at Mayo Clinic Conditions treatedSpecialty groups April 06, 2021 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 Rochester, Minn.,Mayo Clinic in Phoenix/Scottsdale, Ariz., and Mayo Clinic in Jacksonville, Fla., have been recognized among the top Cancer hospitals in the nation for 2021-2022 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)