DepartmentsNephrology and HypertensionLocationPhoenix, ArizonaLanguagesEnglishExisting patientsSend a secure message via patient portal Conditions treatedAmyloidosisGlomerular disease InterestsGlomerular diseasesRenal physiology Mayo Clinic locations Phoenix, Arizona Driving Directions More info Billing & insurance Accessibility services Education2010FellowNephrology, Programs in Rochester, Mayo School of Graduate Medical Education, Mayo Clinic College of Medicine2010ResidentNephrology, Programs in Rochester, Mayo School of Graduate Medical Education, Mayo Clinic College of Medicine2007ResidentInternal Medicine, Programs in Rochester, Mayo School of Graduate Medical Education, Mayo Clinic College of Medicine2004MDUniversity of Pittsburgh School of Medicine1998Liberal ArtsUniversity of Kansas1997BA - BiologyPittsburg State UniversityShow more education Activities and honorsCertifications2010NephrologyAmerican Board of Internal MedicineAwards and honors20252024 "Top Performer Award"Office of Mayo Clinic Experience20242023 "Top Performer Award"Office of Mayo Clinic Experience2024Nephrology & Hypertension Educator of the Year Award 2024-2025Mayo Clinic in Arizona20232022 "Top Performer Award"Office of Mayo Clinic Experience20212020 "Top Provider Recognition"Office of Mayo Clinic Experience2013Internal Medicine Educator of the YearMayo Clinic in Arizona2007Senior Medical Resident Teaching AwardInternal Medicine Residency, Department of Internal Medicine2004James D. Heard Senior Prize in MedicineUniversity of Pittsburgh School of Medicine1997Department Academic HonorsPittsburg State University1997Magna cum laudePittsburg State University1994Presidential ScholarshipPittsburg State UniversityShow more awards and honorsProfessional memberships2024 - 2025Co-DirectorPolycystic Kidney Disease Center of Excellence (PKD COE), Division of Nephrology & Hypertension, Department of Internal Medicine2023 - 2024MemberNephrology Item-Writing Task Force, American Board of Internal Medicine2023 - presentMemberAdvanced Medical Technology Association2023 - presentMemberClinical and Laboratory Standards Institute2023 - presentMemberMedical Device Manufacturers Association 2022 - presentMemberArizona Bioindustry Association (AZBio)2022Participant10 Year Nephrology MOC Test, Standard Setting Committee, American Board of Internal Medicine2021 - presentMemberSteering Committee, Advancing Research in Arizona2020 - presentMemberCentral Line-Associated Bloodstream Infections (CLABSI), Division of Nephrology & Hypertension, Department of Internal Medicine2020 - presentMemberGlomerulonephritis Group, Division of Nephrology & Hypertension, Department of Internal Medicine2019 - presentMemberMayo Clinic Dialysis Services Executive Committee, Division of Nephrology, Department of Internal Medicine2018 - 2020ChairAmbulatory Blood Pressure Monitoring Workgroup, Division of Nephrology & Hypertension, Department of Internal Medicine2018 - presentFellowAmerican Society of Nephrology2017 - presentChief Medical OfficerSequitur Health Corporation2017 - presentMemberMayo Baxter Research & Development Advisory Committee2017 - 2019MemberOutpatient Practice Subcommittee, Clinical Practice Committee, Executive Operations Team2015 - presentMemberNephrology Specialty Council, Division of Nephrology, Department of Internal Medicine2014 - presentMemberInternational Society of Nephrology2013 - 2014Assistant Program DirectorNephrology Fellowship Program, Mayo School of Graduate Medical Education, Mayo Clinic College of Medicine2013 - presentChairClinical Competency Committee, Nephrology Fellowship Program, Mayo School of Graduate Medical Education2011 - 2017MemberIn-Training Exam Test Item Development Committee, American Society of Nephrology2009 - presentMemberAmerican Medical Association2009 - presentMemberAmerican Society of Nephrology2008 - 2009Fellow RepresentativeResearch Committee, Nephrology Fellowship, Division of Nephrology & Internal MedicineShow more professional membershipsPublicationsSee my publications Conditions treatedInterestsMayo Clinic locationsEducationActivities and honors Request an appointment PST-20226203 Doctors & Medical Staff Thomas, Leslie F. M.D.