DepartmentsChildren's CenterPediatric and Adolescent MedicineNephrology and HypertensionLocationRochester, MinnesotaLanguagesEnglishExisting patientsSend a secure message via patient portal Share this page via: Facebook Twitter Print Conditions treatedAcute kidney injury Blood in urineChildhood nephrotic syndromeChronic kidney diseaseCongenital kidney disorderEnd-stage renal diseaseFocal segmental glomerulosclerosisGlomerular diseaseHigh blood pressure in childrenHorseshoe kidneyHydronephrosisHypercalciuriaHyperoxaluriaKidney cystKidney infectionKidney injuryKidney stoneMedullary sponge kidneyMembranoproliferative glomerulonephritisMinimal change diseaseMulticystic kidney dysplasiaNephrotic syndromePolycystic kidney diseasePostural proteinuriaPrimary hyperoxaluriaProtein in urineRenal artery stenosisRenal tubular acidosisRenovascular diseaseShrinking kidneySingle kidneyUTI Procedures performedContinuous renal replacement therapyDialysisHemodialysisKidney transplantPeritoneal dialysis InterestsPediatric kidney stone diseasePediatric continuous renal replacement therapyAcute kidney injuryNephropathic cystinosisTubular disordersNephrotic syndrome and proteinuriaHematuria Mayo Clinic locations Rochester, Minnesota Driving directions More info Billing & insurance Accessibility services Education2008Fellow - Pediatric NephrologySouthwestern Medical Center, University of Texas2005Chief Resident - PediatricsINOVA Fairfax Hospital for Children2004Resident - PediatricsINOVA Fairfax Hospital for Children2001Doctor of Osteopathic MedicineArizona College of Osteopathic Medicine, Midwestern University1996MPHTulane University School of Public Health and Tropical Medicine1995BA - Political EconomicsTulane UniversityShow more education Activities and honorsCertifications2010Pediatric NephrologyAmerican Board of Pediatrics2004PediatricsAmerican Board of PediatricsAwards and honors2020Minnesota Monthly Top DoctorMinnesota Monthly Magazine2018Favorite Faculty AwardDepartment of Pediatric and Adolescent Medicine2017Member of the MonthAmerican Society of Pediatric Nephrology2016Lecturer of the QuarterDepartment of Pediatric and Adolescent Medicine, Mayo Medical School, Mayo Clinic College of Medicine and Science2016Teacher of the Year - Pediatrics and SubspecialtiesMayo Fellows Association2013Teacher of the YearMedical University of South Carolina2012Teacher of the MonthMedical University of South Carolina2012Teacher of the YearMedical University of South Carolina2011Teacher of the YearMedical University of South Carolina2011Teacher of the YearMedical University of South Carolina2010Teacher of the YearMedical University of South Carolina2009Rookie of the YearMedical University of South Carolina2005Teaching Award for ExcellenceUniversity of Texas Southwestern Medical School2004Ziai Award for Excellence - Resident of the YearINOVA Fairfax Hospital for Children2001Academic Achievement and Community ServiceINOVA Fairfax Hospital for ChildrenShow more awards and honorsProfessional memberships2022Mayo Clinic Fetal Surgery Leadership Committee, Mayo Clinic Committees2022 - presentOxalosis and Hyperoxaluria Foundation2022 - presentOxalosis and Hyperoxaluria Foundation2021 - presentPediatric Program, Department of Laboratory Medicine and Pathology2021 - presentChildren's Center Patient and Family Advisory Council2021 - presentOxalosis and Hyperoxaluria Foundation2021 - presentNephrology Research Committee, Division of Nephrology & Internal Medicine, Department of Internal Medicine2021 - presentDepartment of Laboratory Medicine and Pathology2021 - presentOxalosis and Hyperoxaluria Foundation2020 - presentInternational Collaborative Network Kidney Stones2019 - presentChildren's Center Executive Operations Team2019 - presentRenal Studies Unit, Division of Clinical Core Laboratory Services, Department of Laboratory Medicine and Pathology2019 - presentMayo Clinic Children's Center Experience Oversight Team (formerly Service Oversight Group)2019 - presentOxalosis and Hyperoxaluria Foundation2019 - presentAmerican Society of Pediatric Nephrology2018 - presentResearch on Calculus Kinetics (ROCK) Society2017 - presentEducation Leadership Committee, Department of Pediatric and Adolescent Medicine2017 - presentResident Recruitment Committee, Department of Pediatric and Adolescent Medicine2017 - presentDent Disease Foundation2017 - presentOxalosis & Hyperoxaluria Foundation2017 - 2022Mayo Clinic DPAM Grand Rounds Committee2017 - presentOxalosis and Hyperoxaluria Foundation2017 - presentDent Disease Foundation2017 - presentDent Disease Foundation2016 - 2021American Academy of Pediatrics - Section on Nephrology2016 - presentOxalosis and Hyperoxaluria Foundation2015 - 2018Clinical Affairs and Practice Management, American Society of Pediatric Nephrology2015 - presentMayo Clinic Children's Center Visibility Committee2015 - 2018American Society of Pediatric Nephrology2015 - presentElections and Nominations Committee, Section on Nephrology, American Academy of Pediatrics2014 - presentInternational Pediatric Nephrology Association2014 - presentMayo Clinic Kidney Stone Interest Group2013 - presentAmerican Society of Pediatric Nephrology2013 - presentClinical Affairs and Practice Management, American Society of Pediatric Nephrology2013 - presentSection on Nephrology, American Academy of Pediatrics2012 - presentAmerican Association of Pediatric Program Directors2005 - presentAmerican Society of Nephrology2005 - presentAmerican Society of Pediatric Nephrology2001 - presentAmerican Academy of PediatricsShow more professional membershipsPublicationsSee my publicationsResearch activitiesSee a description of research activities. Conditions treatedProcedures performedInterestsMayo Clinic locationsEducationActivities and honors Request an appointment PST-20217339 Doctors & Medical Staff Sas, David J. D.O.