The 20 Best Methylmalonic Acidemia Doctors Near Me in Baltimore, MD
Find the Top Methylmalonic Acidemia Experts and Specialists
Rubenstein Child Health Building
Dr. Hilary Vernon is a Professor of Genetic Medicine and pediatrics at the Johns Hopkins University School of Medicine. She is also an attending physician at Kennedy Krieger Institute. Hilary Vernon has expertise in treating inborn errors of metabolism and mitochondrial disorders. She is the director of the Mitochondrial Care Center at The Johns Hopkins Hospital and the Barth Syndrome Interdisciplinary Clinic at the Kennedy Krieger Institute. Her research interests include understanding intermediary metabolism in Barth syndrome and in disorders of branch chain amino acid metabolism. Dr. Vernon also co-directs the Department of Genetic Medicine Clinical Trials Unit, and is the principal investigator on multiple clinical trials for rare diseases. Dr. Vernon received her medical degree and doctorate from Rutgers University, New Brunswick, New Jersey. She completed residencies in genetics and pediatrics at The Johns Hopkins University, and a fellowship in clinical laboratory biochemical genetics at The Johns Hopkins University. Dr. Vernon was recognized with the 2010 Francis F. Schwentker Award for Excellence in Research at Johns Hopkins University and the 2011 James B. Sidbury Jr. Fellowship in Biochemical Genetics at Johns Hopkins University. Dr. Vernon is rated as an Elite provider by MediFind in the treatment of Methylmalonic Acidemia. She is also highly rated in 12 other conditions, according to our data. Her clinical expertise encompasses Methylmalonic Acidemia, Propionic Acidemia, Infantile Neutropenia, and Progressive External Ophthalmoplegia. Dr. Vernon is board certified in American Board Of Medical Genetics And Genomics and American Board Of Pediatrics.
Charles Venditti is a Medical Genetics provider practicing medicine in Bethesda, Maryland. Dr. Venditti is rated as an Elite provider by MediFind in the treatment of Methylmalonic Acidemia. He is also highly rated in 8 other conditions, according to our data. His clinical expertise encompasses Methylmalonic Acidemia, Propionic Acidemia, Homocystinuria, and Niemann-Pick Disease.
Rubenstein Child Health Building
Dr. Ada Hamosh is the Dr. Frank V. Sutland Professor of Pediatric Genetics in the Departments of Genetic Medicine and Pediatrics. Since 2002, she has served as clinical director of the McKusick-Nathans Institute of Genetic Medicine, now Department of Genetic Medicine and scientific director of the Online Mendelian Inheritance in Man® (OMIM), a catalog of more than 16,800 human genes and genetic disorders created by Dr. Victor A. McKusick. Her research centers the molecular basis of Mendelian disorders, the integration of genetics into clinical practice and the diagnosis and management of inborn errors of metabolism. Dr. Hamosh earned a bachelor’s degree in biology from Wesleyan University, a medical degree from Georgetown University School of Medicine and a master’s of public health from Johns Hopkins University School of Public Health. She later completed a fellowship in medical and biochemical genetics from the Johns Hopkins School of Medicine, before joining the Johns Hopkins faculty in 1992. Dr. Hamosh began her genetics career focusing on cystic fibrosis, serving as coordinator of the International Cystic Fibrosis Genotype-Phenotype Consortium. She served as chair of the Maryland State Advisory Council for Hereditary & Congenital Disorders from 2001-2009, during which time she also served on the executive committee of the Genetic Counseling Training Program, run by Johns Hopkins University and the National Human Genome Research Institute. Dr. Hamosh has authored more than 128 publications on a variety of topics. In addition, she is a member of 16 professional associations and advisory committees including the American Society of Human Genetics, the Steering Committee of the Global Alliance for Genomics and Health, and the executive board of the Human Genome Organization, of which she will be President from 2023-2025. Dr. Hamosh was recognized in Baltimore magazine as one of the region’s top doctors in 2013, and 2016-2020. Dr. Hamosh is rated as a Distinguished provider by MediFind in the treatment of Methylmalonic Acidemia. She is also highly rated in 28 other conditions, according to our data. Her clinical expertise encompasses Methylmalonic Acidemia, Maple Syrup Urine Disease, Ornithine Transcarbamylase Deficiency, Phenylketonuria (PKU), and Deep Brain Stimulation. Dr. Hamosh is board certified in American Board Of Medical Genetics And Genomics.
Danny And Gail Jones Primary Care
Robert Rapp is a primary care provider, practicing in Internal Medicine in Aberdeen, Maryland. Dr. Rapp is rated as an Advanced provider by MediFind in the treatment of Methylmalonic Acidemia. He is also highly rated in 11 other conditions, according to our data. His clinical expertise encompasses Lung Metastases, Type 2 Diabetes (T2D), Methylmalonyl Coenzyme A Mutase Deficiency, and Methylmalonic Acidemia. Dr. Rapp is currently accepting new patients.
Johns Hopkins Outpatient Center
Dr. Sara Mixter is Assistant Professor of Medicine and Pediatrics at the Johns Hopkins University School of Medicine. Her areas of clinical expertise are internal medicine, pediatrics, and primary care for adults with developmental disabilities and other complex childhood-onset conditions. She is the director of the Hopkins PACT (Pediatric-informed Adult Care and Transition) Clinic. Dr. Mixter is also the medical director of the Pediatric Complex Care Collaborative (PC3) for the Johns Hopkins Children’s Center. Dr. Mixter received her A.B. from Harvard College. She earned her M.D. from Harvard Medical School and M.P.H. from the Harvard School of Public Health. She completed her residency at Johns Hopkins as part of the inaugural group of trainees in the Urban Health Combined Internal Medicine-Pediatrics Residency Program. Her research interests include transitions of care for adolescents with special healthcare needs and education for residents and medical students, especially in primary care and complex care. Dr. Mixter has served as the Assistant Chief of Service for the Longcope firm of the Osler Medical Housestaff Training Program (2015-16), as well as Assistant Program Director for Ambulatory Education (2014-15). Dr. Mixter is rated as an Experienced provider by MediFind in the treatment of Methylmalonic Acidemia. She is also highly rated in 1 other condition, according to our data. Her clinical expertise encompasses Cerebral Palsy, Gastroparesis, Orbital Cellulitis, and Sickle Cell Disease. Dr. Mixter is board certified in American Board Of Pediatrics and American Board Of Internal Medicine.
Marshall Summar is a Medical Genetics specialist and a Pediatrics provider practicing medicine in Chevy Chase, Maryland. Dr. Summar is rated as an Advanced provider by MediFind in the treatment of Methylmalonic Acidemia. He is also highly rated in 7 other conditions, according to our data. His clinical expertise encompasses Argininosuccinic Aciduria, Urea Cycle Disorders (UCD), Propionic Acidemia, and Ornithine Translocase Deficiency.
Gerard P Champaloux MD
Gerard Champaloux is a primary care provider, practicing in Family Medicine in Bowie, Maryland. Dr. Champaloux is rated as an Advanced 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 Beta-Ketothiolase Deficiency, Methylmalonic Acidemia, Methylmalonyl Coenzyme A Mutase Deficiency, and Myelin Oligodendrocyte Glycoprotein Antibody-Associated Disease.
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William Queale is a primary care provider, practicing in Internal Medicine in Lutherville Timonium, Maryland. Dr. Queale is rated as an Advanced provider by MediFind in the treatment of Methylmalonic Acidemia. He is also highly rated in 2 other conditions, according to our data. His clinical expertise encompasses Methylmalonyl Coenzyme A Mutase Deficiency, Methylmalonic Acidemia, Methylmalonic Acidemia with Homocystinuria, and Homocystinuria.
Constantine Stratakis is a Medical Genetics specialist and a Gastroenterologist practicing medicine in Bethesda, Maryland. Dr. Stratakis is rated as an Experienced provider by MediFind in the treatment of Methylmalonic Acidemia. He is also highly rated in 15 other conditions, according to our data. His clinical expertise encompasses Cushing's disease, Neuroendocrine Tumor, Gastrointestinal Stromal Tumor, Hormone Replacement Therapy (HRT), and Orchiectomy.
Nancy Braverman is a Medical Genetics specialist and a Pediatrics provider practicing medicine in Baltimore, Maryland. Dr. Braverman is rated as an Experienced provider by MediFind in the treatment of Methylmalonic Acidemia. She is also highly rated in 14 other conditions, according to our data. Her clinical expertise encompasses Zellweger Syndrome, Chondrodysplasia Punctata Syndrome, X-Linked Chondrodysplasia Punctata 2, and Acromesomelic Dysplasia.
John Odom is a Medical Genetics provider practicing medicine in Baltimore, Maryland. Dr. Odom is rated as an Experienced provider by MediFind in the treatment of Methylmalonic Acidemia. His clinical expertise encompasses Biotinidase Deficiency, Methylmalonic Acidemia, Albright's Hereditary Osteodystrophy, and Von Gierke Disease. Dr. Odom is currently accepting new patients.
Brain Spine Institute Neurology-Sinai
Robin Wilson is a Neurologist practicing medicine in Baltimore, Maryland. Dr. Wilson is rated as an Experienced provider by MediFind in the treatment of Methylmalonic Acidemia. She is also highly rated in 8 other conditions, according to our data. Her clinical expertise encompasses Normal Pressure Hydrocephalus, Congenital Cardiovascular Shunt, Hydrocephalus, and Cerebellum Agenesis Hydrocephaly.
University Of Maryland Pediatric Associates, PA
Sofia Saenz-Ayala is a Medical Genetics specialist and a Pediatrics provider practicing medicine in Baltimore, Maryland. Dr. Saenz-Ayala is rated as an Experienced 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 Musculocontractural Ehlers-Danlos Syndrome (mcEDS), Ehlers-Danlos Syndrome (EDS), Carnitine Palmitoyltransferase 1 Deficiency, and Carnitine Palmitoyltransferase 2 Deficiency. Dr. Saenz-Ayala is currently accepting new patients.
Hans Bjornsson is a Medical Genetics specialist and a Pediatrics provider practicing medicine in Baltimore, Maryland. Dr. Bjornsson is rated as an Experienced provider by MediFind in the treatment of Methylmalonic Acidemia. He is also highly rated in 7 other conditions, according to our data. His clinical expertise encompasses Kabuki Syndrome, Weaver Syndrome, Coffin-Lowry Syndrome, Stickler Syndrome, and Orchiectomy. Dr. Bjornsson is currently accepting new patients.
Lisa Kratz is a Medical Genetics provider practicing medicine in Baltimore, Maryland. Dr. Kratz is rated as an Experienced provider by MediFind in the treatment of Methylmalonic Acidemia. She is also highly rated in 7 other conditions, according to our data. Her clinical expertise encompasses Greenberg Dysplasia, Smith-Lemli-Opitz Syndrome, Rhizomelic Syndrome, and Chondrodysplasia Punctata Syndrome.
Last Updated: 04/28/2026



