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Our Nephrology Team

Dan Feig, MD, PhD, MS
Professor/Director, Pediatric and Infant Center for Acute Nephrology (PICAN)

Undergraduate: 1987, Princeton University
MD: 1995, University of Washington
PhD: 1993, Department of Biochemistry, University of Washington
MS: 2003, Clinical Investigation, Baylor College of Medicine
Pediatrics Residency: 1995-1998, University of Washington
Pediatric Nephrology Fellowship: 1998-2001, Children's Hospital Boston, Harvard Medical School

Research Interests
Hypertension in children, prevention of organ injury in children with hypertension and chronic kidney disease, the impact of obesity on hypertension and renal disease, pheochromocytomas

David Askenazi, MD, MSPH, FAAP, FASN
Professor of Pediatrics
W. Charles Mayer Endowed chair of Pediatric Nephrology (2021)
Medical Director - Pediatric and Infant Center for Acute Care Nephrology (PICAN)

Undergraduate: 1993, University of Texas
MD: 1998, University of Texas, Medical Branch at Galveston
Pediatrics Residency: 1999-2002 Austin Pediatric Education Program, Austin, TX
Pediatric Nephrology Fellowship: 2002-2005, Baylor College of Medicine/Texas Children’s Hospital
MSPH: 2009, UAB School of Public Health

Clinical Interests
Prevention and treatment of Acute Kidney Injury in Hospitalized patients, plasmapheresis in critically ill children with thrombocytopenia associated multi-organ failure (TAMOF)

Research Interests
Acute Kidney Injury in the term and premature infant, acute Kidney Injury in pediatric patient, prevention of AKI in hospitalized children with Cystic Fibrosis, epidemiology and outcomes of children who develop AKI after bone marrow transplant, methods to detect Residual Renal Function in Children with chronic kidney disease, prevention of fluid overload in children after cardiopulmonary bypass for congenital heart surgery

Dr. Askenazi joined the faculty in the Department of Pediatrics at UAB as an Assistant Professor in 2005 and was promoted to Full Professor in 2016.  He was appointed the inaugural W. Charles Mayer Endowed chair of Pediatric Nephrology in 2021. Dr. Askenazi is the Medical Director of the Pediatric and Infant Center for Acute Nephrology (PICAN). The center research is focused on improving knowledge, testing interventions, and developing innovations that improve the outcomes of hospitalized neonates and children. He is also the founder and Board Chair for the Neonatal Kidney Collaborative (NKC), a collaborative that brings neonatologist and nephrologist together to improve the field of neonatal nephrology. He founded and is the current Chief Scientific Officer for Zorro-Flow Inc.


Sahar Fathallah-Shaykh, MD
Professor of Pediatrics
Director, Pediatric Dialysis Unit
General Clinical Nephrology
Congenital Malformations of the Urinary Tract

Undergraduate: 1992, American University of Beirut
MD: 1996, American University of Beirut
Pediatrics Residency: 1997-1999, American University of Beirut; 2000-2002, Cook County Hospital
Pediatric Nephrology Fellowship: 2002-2005, Northwestern University Feinberg School of Medicine

Clinical Interests
Hemodialysis, Peritoneal Dialysis, congenital abnormalities of the urinary tract

Research Interests
Progression of chronic kidney disease in children, pharmacokinetics of medications in children with chronic kidney disease, congenital anomalies of the kidney and urinary tract

Michael Seifert, MD, MSCI
Associate Professor of Pediatrics

Undergraduate: 2000, Washington University, St. Louis
MD: 2004, University of Connecticut School of Medicine
MSCI: 2015, Washington University, St. Louis
Pediatrics Residency: 2004-2007, Connecticut Children's Medical Center
Pediatric Research Fellowship: 2007-2009, Beth Israel Deaconess Medical Center and Boston Children's Hospital
Pediatric Nephrology and Transplant Fellowship: 2007-2010, Boston Children's Hospital

Clinical Interests
Pediatric nephrology, kidney transplantation

Research Interests
Transplant vascular biology and genomics, biomarkers of kidney transplant diseases, mechanisms of cardio-renal disease.

Board Certifications
American Board of Pediatrics: Pediatrics and Pediatric Nephrology
American Society of Transplantation: Pediatric Kidney Transplant Physician

Tennille Webb, MD, MSPH
Assistant Professor of Pediatrics
Co-Director, Pediatric and Infant Center for Acute Nephrology (PICAN)

Undergraduate: 2002, Tuskegee University
MEDPREP: 2003, Southern Illinois University
MD: 2009, Morehouse School of Medicine
Pediatrics Residency: 2009-2012, Advocate Christ Medical Center / Hope Children's Hospital
Pediatric Nephrology Fellowship: 2012-2015, Children's Hospital of Pittsburgh of UPMC
Acute Care Nephrology Fellowship: 2015-2016, Cincinnati Children's Hospital Medical Center
MSPH: 2022, University of Alabama at Birmingham School of Public Health

Clinical Interests:
Pediatric nephrology, Acute kidney injury

Research Interests:
Acute kidney injury in the critical care setting, specifically early AKI detection, acute kidney support therapies and educational programs in neonates with AKI

Board Certifications:
American Board of Pediatrics
American Board of Pediatrics, Pediatric Nephrology

Kyle Deville, M.D.
Assistant Professor of Pediatrics

Undergraduate: 2013, Louisiana State University
MD: 2017, Louisiana State University Health Sciences Center- New Orleans
Pediatrics Residency: 2017-2020, University of Alabama at Birmingham 
Pediatric Nephrology Fellowship: 2020-2021, University of Alabama at Birmingham
Pediatric Research Fellowship: 2021-2023, University of Alabama at Birmingham

Board Certifications:
American Board of Pediatrics