The 20 Best Methylmalonic Acidemia Doctors Near Me in District of Columbia, US
Find the Top Methylmalonic Acidemia Experts and Specialists
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Jamie Fraser, MD, PhD, completed her medical genetics training at the National Institutes of Health and the Children’s National Hospital and joined Children's National in 2016. She is the director of the Myelin Disorders clinic at Children's National. Her clinic interests focus on metabolic disorders. Her research interests are neurometabolic disease and neuroprotection. Dr. Fraser is rated as an Advanced provider by MediFind in the treatment of Methylmalonic Acidemia. She is also highly rated in 5 other conditions, according to our data. Her clinical expertise encompasses Methylmalonic Acidemia, Leukodystrophy, Pyruvate Decarboxylase Deficiency, Cockayne Syndrome, and Gastrostomy. Dr. Fraser is board certified in Medical Biochemical Genetics: American Board Of Medical Genetics And Genomics, 2017 and Clinical Genetics (MD): American Board Of Medical Genetics And Genomics, 2015.
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Michael Mcmahon is a primary care provider, practicing in Family Medicine in Washington, Washington, D.c.. Dr. Mcmahon is rated as an Experienced provider by MediFind in the treatment of Methylmalonic Acidemia. His clinical expertise encompasses Methylmalonic Acidemia, Breast Cancer, Cerebral Hypoxia, and Interstitial Nephritis.
Children's National Hospital
Andrea Gropman is a Pediatrics provider practicing medicine in Washington, Washington, D.c.. Dr. Gropman is rated as an Advanced provider by MediFind in the treatment of Methylmalonic Acidemia. She is also highly rated in 37 other conditions, according to our data. Her clinical expertise encompasses Klinefelter Syndrome, Urea Cycle Disorders (UCD), MELAS Syndrome, Ornithine Transcarbamylase Deficiency, and Hormone Replacement Therapy (HRT).
Rare Disease Institute
Nicholas Ah Mew, MD, is director of the Inherited Metabolic Disorders Program at Children’s National Hospital and is associate professor of Pediatrics at The George Washington University. He is a clinical geneticist and clinical biochemical geneticist whose primary research interests include urea cycle disorders, organic acidemias, and other disorders of ammonia metabolism. He is the principal investigator or co-PI of several projects funded through the National Institutes of Health and Patient-Centered Outcomes Research Institute. Dr. Ah Mew is the Children’s National site-PI and an active member of the NIH-funded Urea Cycle Disorders Consortium (UCDC). He has authored multiple publications and book chapters on hyperammonemia and urea cycle disorders and has lectured internationally on these topics. Dr. Mew is rated as an Experienced provider by MediFind in the treatment of Methylmalonic Acidemia. He is also highly rated in 10 other conditions, according to our data. His clinical expertise encompasses Urea Cycle Disorders (UCD), Maple Syrup Urine Disease, Argininosuccinic Aciduria, and Propionic Acidemia. Dr. Mew is board certified in American Board Of Medical Genetics And Genomics, 2020 and Clinical Biochemical Genetics: American Board Of Medical Genetics And Genomics, 2011.
Main Hospital-Neuroscience Clinic
Kuntal Sen, MD, is the co-director of Neurogenetics Clinic in the Division of Neurogenetics and Neurodevelopmental Pediatrics at Children's National Hospital. He is a graduate of Grant Government Medical College, Mumbai. He completed a combined pediatrics-medical genetics and genomics residency at the Detroit Medical Center/Wayne State University of Medicine. He then completed a child neurology fellowship at Children’s National. He also worked at the National Institutes of Health as a volunteer for the Undiagnosed Diseases Program. He is one of the few physicians in the country with dual training in neurology and clinical genetics which affords him a unique expertise to diagnose and manage patients with complex monogenic neurological disorders. Dr. Sen’s clinical expertise is centered on providing long-term, holistic, and family-centered care for patients with mitochondrial diseases and other ultra-rare neuro-metabolic disorders. Dr. Sen's research focus is on multi-modal neuroimaging and neuromonitoring in inborn errors of metabolism. Dr. Sen has published several peer-reviewed articles and presented at many international conferences on newborn screening disorders, rare neurometabolic epilepsies and ethics in genetic testing. Dr. Sen spearheaded a national survey aimed at identifying innovative approaches to educate child neurologists about genomic testing. This initiative culminated in the development and release of a national curriculum through the Child Neurology Society, under his leadership. He was elected chair of the Neurogenetics Section of the American Academy of Neurology, reflecting his national recognition in the field. He is a fellow of the American College of Medical Genetics (ACMG) and a member of the ACMG Advocacy and Government Affairs Committee. He also serves as the media editor for the Pediatric Neurology Journal. During his medical training, he has won awards and grants from professional societies including the prestigious ACMG Foundation/Perkin Elmer Award and Children’s National Founders Auxiliary Board Grant. Publications Google Scholar. Dr. Sen is rated as an Experienced provider by MediFind in the treatment of Methylmalonic Acidemia. He is also highly rated in 10 other conditions, according to our data. His clinical expertise encompasses Urea Cycle Disorders (UCD), Hydranencephaly, Lissencephaly 2, and Cortical Dysplasia. Dr. Sen is board certified in American Board Of Psychiatry And Neurology, 2022 and Clinical Genetics (MD): American Board Of Medical Genetics And Genomics, 2019.
Main Hospital-Neuroscience Clinic
William D. Gaillard, MD, professor of neurology and neurophysiology, is chief of the Divisions of Child Neurology and of Epilepsy and Neurophysiology. He is director of the Comprehensive Pediatric Epilepsy Program — one of the leading multidisciplinary pediatric epilepsy programs in the country. As associate director of the Children’s National Research Institute’s Center for Neuroscience Research, he is responsible for overseeing and organizing clinical neuroscience research. Dr. Gaillard is professor of pediatrics and neurology at the George Washington University School of Medicine; Professor of Neurology, Georgetown University; and Adjunct Professor of Hearing and Speech Sciences, University of Maryland, College Park. Additionally, Dr. Gaillard holds longstanding collaborations with the Clinical Epilepsy Section (CES), National Institute of Neurological Disorders and Stroke and NIH. His innovative research utilizes advanced structural and functional imaging to examine the effects of epilepsy on brain structure and function. His pioneering work with functional imaging has changed clinical practice for patients with epilepsy, made important technical contributions to structural and functional imaging methods, and provided fundamental scientific insights on the biology of brain plasticity. Ultimately, the goal of his research is to improve the outcomes and lives of children with epilepsy. Dr. Gaillard is a past president of the American Epilepsy Society. He is past treasurer of the American Epilepsy Society, past chair of the International League Against Epilepsy (ILAE) Commission on Diagnostics, past chair of the ILAE Pediatric Epilepsy Surgery Task Force and past member of the Pediatric Commission. He is a past editor of Epilepsy Research and a past editor of Epilepsia. He is the author of more than 240 peer-reviewed scientific papers and more than 50 chapters and holds longstanding federal and foundation grant funding. Dr. Gaillard is rated as an Experienced provider by MediFind in the treatment of Methylmalonic Acidemia. He is also highly rated in 28 other conditions, according to our data. His clinical expertise encompasses Epilepsy, Seizures, Status Epilepticus, Liver Embolization, and Deep Brain Stimulation. Dr. Gaillard is board certified in American Board Of Psychiatry And Neurology, Pediatrics: American Board Of Pediatrics, 2005, and American Board Of Psychiatry And Neurology, 1992.
Kimberly Chapman is a Medical Genetics specialist and a Pediatrics provider practicing medicine in Washington, Washington, D.c.. Dr. Chapman is rated as an Experienced provider by MediFind in the treatment of Methylmalonic Acidemia. Her clinical expertise encompasses Ehlers-Danlos Syndrome (EDS), Brittle Cornea Syndrome, Methylmalonic Acidemia, and Mitochondrial Trifunctional Protein Deficiency.
Childrens National Med Ctr
Mendel Tuchman is a Pediatrics provider practicing medicine in Washington, Washington, D.c.. Dr. Tuchman is rated as an Experienced provider by MediFind in the treatment of Methylmalonic Acidemia. He is also highly rated in 4 other conditions, according to our data. His clinical expertise encompasses N-Acetylglutamate Synthase Deficiency, Urea Cycle Disorders (UCD), Carbamoyl Phosphate Synthetase 1 Deficiency, and Argininosuccinic Aciduria.
Last Updated: 06/30/2026



