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 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 active 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 There are no doctors 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 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 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 1-2 out of 2 doctors available Last Name Initial: J Zhaohui Jin, M.D. Oncologist Rochester, MN Areas of focus: CAR-T cell therapy, Chemotherapy for colon cancer, Hepatic artery infusion pump chemotherapy, Cholangiocarcinoma, Colon... cancer, Pancreatic cancer, Hepatocellular carcinoma, Esophageal cancer, Anal cancer, Stomach cancer, Rectal cancer, Neuroendocrine tumor, Small bowel cancer Show more areas of focus for Zhaohui Jin, M.D. Patrick B. Johnston, M.D., Ph.D. Hematologist Rochester, MN Areas of focus: Bone marrow transplant, CAR-T cell therapy, B-cell lymphoma, Lymphoma, Burkitt lymphoma, Follicular lymphoma, Hodgkin l...ymphoma Show more areas of focus for Patrick B. Johnston, M.D., Ph.D. Request an appointment Our programFrequently asked questions July 19, 2025 Share on: FacebookTwitter CAR-T Cell Therapy ProgramDepartmenthomeSectionsOverviewOur programDoctorsFrequently asked questionsClinical trialsReferrals SectionsRequest an AppointmentOverviewOur programDoctorsFrequently asked questionsClinical trialsReferrals ORG-20404311 Medical Departments & Centers CAR-T Cell Therapy Program