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 Jacksonville, FL Phoenix/Scottsdale, AZ 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 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 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 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 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 1-7 out of 7 doctors available Last Name Initial: R S. Vincent Rajkumar, M.D. Internist Oncologist Hematologist Rochester, MN Areas of focus: Multiple myeloma, Amyloidosis, Monoclonal gammopathy of undetermined significance Rohit Rao, M.B.B.S., M.D. Hematologist / Oncologist Jacksonville, FL Areas of focus: Breast cancer Irbaz B. Riaz, M.B.B.S., M.S. Phoenix, AZ Candido E. Rivera, M.D. Oncologist Internist Hematologist Jacksonville, FL Areas of focus: Bone marrow transplant, Chronic lymphocytic leukemia, von Willebrand disease, Chronic myelogenous leukemia, Myeloprolif...erative disorders, Bone marrow failure syndromes, Benign hematologic condition Show more areas of focus for Candido E. Rivera, M.D. Allison C. Rosenthal, D.O. Internist Oncologist Hematologist Phoenix, AZ Areas of focus: Lymphoma, Non-Hodgkin's lymphoma, Diffuse large b-cell lymphoma, Hodgkin lymphoma, Follicular lymphoma, Cutaneous b-cel...l lymphoma, Cutaneous t-cell lymphoma Show more areas of focus for Allison C. Rosenthal, D.O. Julie L. Rosenthal, M.D. Internist Cardiologist Phoenix, AZ Areas of focus: Heart transplant, Right heart catheterization, Mechanical circulatory support device implantation, Heart failure, Cardi...omyopathy, Amyloidosis Show more areas of focus for Julie L. Rosenthal, M.D. Vivek Roy, M.D. Oncologist Hematologist Jacksonville, FL Areas of focus: Bone marrow transplant, Multiple myeloma Request an appointment Conditions treatedSpecialty groups May 09, 2023 Share on: FacebookTwitter HematologyDepartmenthomeSectionsOverviewTests & proceduresConditions treatedDoctorsSpecialty groupsExpertise & rankingsClinical trialsResearchPatient storiesCosts & insuranceNews from Mayo ClinicReferrals SectionsRequest an AppointmentOverviewTests & proceduresConditions treatedDoctorsSpecialty groupsExpertise & rankingsClinical trialsResearchPatient storiesCosts & insuranceNews from Mayo ClinicReferrals ORG-20180185 Medical Departments & Centers Hematology Help transform healthcare Give TodayYour donation can make a difference in the future of healthcare. Give now to support Mayo Clinic's research. Give Today