The 20 Best Williams Syndrome Doctors Near Me in District of Columbia, US
Find the Top Williams Syndrome Experts and Specialists
Rare Disease Institute
Amy Lewanda, MD, joined Children's National Hospital as a faculty member in 1994 after finishing her medical genetics training at Johns Hopkins Hospital in the same year. She has served as a faculty member in medical genetics in the Inova health system. Dr. Lewanda is the co-director of the Down Syndrome Clinic. Dr. Lewanda’s research focuses on health outcomes for patients with Down Syndrome, and pediatric to adult transitions for genetics patients. Dr. Lewanda is rated as an Experienced provider by MediFind in the treatment of Williams Syndrome. She is also highly rated in 1 other condition, according to our data. Her clinical expertise encompasses Increased Head Circumference, Autism Spectrum Disorder, Cantu Syndrome, and Hemi 3 Syndrome. Dr. Lewanda is board certified in Clinical Genetics (MD): American Board Of Medical Genetics And Genomics, 2020, Clinical Genetics (MD): American Board Of Medical Genetics And Genomics, 1993, and Pediatrics: American Board Of Pediatrics, 1991.
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Celina Brunson, MD, completed medical school training at State University of New York–Downstate Medical Center. Dr. Brunson was then accepted into the pediatric residency program at New York University, completing that training in 2016. She completed pediatric nephrology training at the Children’s Hospital of Philadelphia in Philadelphia, Pa., in 2019. Dr. Brunson now serves as medical director of the Dialysis Program and is an attending physician in pediatric nephrology at Children's National. Her research interests focus on health disparities and social determinants of health for children with chronic kidney disease and end stage renal disease. Her clinical interests include hemodialysis, peritoneal dialysis and nephrotic syndrome. Dr. Brunson is rated as an Experienced provider by MediFind in the treatment of Williams Syndrome. Her clinical expertise encompasses Nephrotic Syndrome, Feingold Syndrome, Congenital Nephrotic Syndrome, and Chronic Kidney Disease. Dr. Brunson is board certified in American Board Of Pediatrics, 2020 and American Board Of Pediatrics, 2017.
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Catherine Posada, MD, is a primary care pediatrician at Children's National Hospital. She has a special interest in working with children with medical complexity and their families. Dr. Posada is rated as an Experienced provider by MediFind in the treatment of Williams Syndrome. Her clinical expertise encompasses Williams Syndrome and Delayed Growth. Dr. Posada is board certified in American Board Of Pediatrics.
Angela Troia is a primary care provider, practicing in General Practice in Washington, Washington, D.c.. Dr. Troia is rated as an Experienced provider by MediFind in the treatment of Williams Syndrome. She is also highly rated in 1 other condition, according to our data. Her clinical expertise encompasses Bile Duct Cysts, Williams Syndrome, Diarrhea, and Viral Gastroenteritis.
Dina Zand is a Medical Genetics specialist and a Pediatrics provider practicing medicine in Washington, Washington, D.c.. Dr. Zand is rated as an Experienced provider by MediFind in the treatment of Williams Syndrome. She is also highly rated in 7 other conditions, according to our data. Her clinical expertise encompasses Agyria Pachygyria Polymicrogyria, Cerebellar Hypoplasia, Lissencephaly 1, and Miller-Dieker Syndrome.
Last Updated: 06/30/2026


