DepartmentsChildren's CenterPediatric and Adolescent MedicineNephrology and HypertensionLocationRochester, MinnesotaLanguagesEnglishExisting patientsSend a secure message via patient portal Share this page via: Facebook Twitter Print Email a friend Conditions treatedAcute kidney injury Blood in urineChildhood nephrotic syndromeChronic kidney diseaseCongenital kidney disorderFocal segmental glomerulosclerosisGlomerular diseaseHigh blood pressure in childrenHorseshoe kidneyHydronephrosisHypercalciuriaKidney 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 University Activities and honorsCertifications2010Pediatric NephrologyAmerican Board of Pediatrics2004PediatricsAmerican Board of PediatricsAwards and honors2018Favorite 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 YearMayo 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 ChildrenProfessional memberships2018 - presentMemberResearch on Calculus Kinetics (ROCK) Society2017 - presentMemberEducation Leadership Committee, Department of Pediatric and Adolescent Medicine2017 - 2018MemberResident Recruitment Committee, Department of Pediatric and Adolescent Medicine2017 - presentScientific Advisory BoardDent Disease Foundation2017 - presentScientific Advisory BoardOxalosis & Hyperoxaluria Foundation2015 - 2018Co-ChairClinical Affairs and Practice Management, American Society of Pediatric Nephrology2015 - presentMembers Center Visibility Committee, Mayo Clinic Children2015 - presentMemberElections and Nominations Committee, Section on Nephrology, American Academy of Pediatrics2014 - presentMemberInternational Pediatric Nephrology Association2013 - presentMemberClinical Affairs and Practice Management, American Society of Pediatric Nephrology2013 - presentMemberSection on Nephrology, American Academy of Pediatrics2012 - presentMemberAmerican Association of Pediatric Program Directors2005 - presentMemberAmerican Society of Nephrology2005 - presentMemberAmerican Society of Pediatric Nephrology2001 - presentMemberAmerican Academy of Pediatrics Mayo Clinic Kidney Stone Interest Groupsee morePublicationsSee 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.