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 Find a doctor 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 There are no doctors 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 By conditions treated No results found 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 1-6 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 tumor Thai H. Ho, M.D., Ph.D. Internist Oncologist Phoenix, AZ Areas of focus: Prostate cancer, Kidney cancer, Bladder cancer Thanh P. Ho, M.D. Oncologist Rochester, MN Areas of focus: Sarcoma Timothy J. Hobday, M.D. Oncologist Rochester, MN Areas of focus: Chemotherapy for breast cancer, Breast cancer, Pancreatic neuroendocrine tumor, Neuroendocrine tumor Joleen M. Hubbard, M.D. Oncologist Rochester, MN Areas of focus: Hepatic artery infusion pump chemotherapy, Rectal cancer, Esophageal cancer, Cholangiocarcinoma, Stomach cancer, Pancre...atic cancer, Hepatocellular carcinoma, Anal cancer, Colon cancer Show more areas of focus for Joleen M. Hubbard, M.D. Request an appointment Conditions treatedSpecialty groups Dec. 29, 2022 Share on: FacebookTwitter Mayo Clinic in Rochester, Minnesota, and Mayo Clinic in Phoenix/Scottsdale, Arizona, have been recognized among the top Cancer hospitals in the nation for 2022-2023 by U.S. News & World Report. Learn more about this top honor Oncology (Medical)Department homeSectionsRequest an appointmentOverviewConditions treatedDoctorsSpecialty groupsExpertise & rankingsLocations, travel & lodgingClinical trialsResearchPatient storiesCosts & insuranceNews from Mayo ClinicReferrals SectionsRequest an appointmentOverviewConditions treatedDoctorsSpecialty groupsExpertise & rankingsLocations, travel & lodgingClinical trialsResearchPatient storiesCosts & insuranceNews from Mayo ClinicReferrals ORG-20180179 Departments & Centers Medical Departments & Centers Oncology (Medical)