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 Phoenix/Scottsdale, AZ Rochester, MN Jacksonville, FL 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 active 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 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 Reset all filters Displaying 1-5 out of 5 doctors available Last Name Initial: C Timothy (Tim) G. Call, M.D. Internist Hematologist Oncologist Rochester, MN Areas of focus: Large granular lymphocyte disorders, Leukemia, Hairy cell leukemia, Chronic lymphocytic leukemia John K. Camoriano, M.D. Internist Hematologist Oncologist Phoenix, AZ Areas of focus: Bone marrow transplant, Myeloproliferative disorders, Lymphoma, Breast cancer, Castleman disease Januario E. Castro, M.D. Hematologist / Oncologist Phoenix, AZ Areas of focus: CAR t-cell therapy, Lymphoma, Chronic lymphocytic leukemia Asher (Asher) A. Chanan-Khan, M.B.B.S., M.D. Hematologist Jacksonville, FL Areas of focus: Multiple myeloma, Waldenstrom macroglobulinemia, Melanoma, Chronic lymphocytic leukemia Joseph P. Colgan, M.D. Internist Hematologist Rochester, MN Areas of focus: Lymphoma, Hodgkin lymphoma Request an Appointment at Mayo Clinic Conditions treatedSpecialty groups Oct. 10, 2019 Share on: FacebookTwitter HematologyDepartment homeSectionsRequest an appointmentOverviewTests & proceduresConditions treatedDoctorsSpecialty groupsExpertise & rankingsLocations, travel & lodgingClinical trialsResearchThe Mayo Clinic experience & patient storiesCosts & insuranceNews from Mayo ClinicResources for medical professionals SectionsRequest an appointmentOverviewTests & proceduresConditions treatedDoctorsSpecialty groupsExpertise & rankingsLocations, travel & lodgingClinical trialsResearchThe Mayo Clinic experience & patient storiesCosts & insuranceNews from Mayo ClinicResources for medical professionals ORG-20180185 Departments & Centers Medical Departments & Centers Hematology