Dr. Maria A. Arroyo-Morr

Dr. Maria Cecilia Melendres is an assistant professor of pediatrics at the Johns Hopkins University School of Medicine. Her areas of clinical expertise include pediatric pulmonary medicine and pediatric sleep medicine. Dr. Melendres earned her medical degree from the University of the Philippines Manila. She completed residencies at the University of the Philippines and Johns Hopkins. She performed a fellowship in pediatric pulmonary medicine at Johns Hopkins. Dr. Melendres’ research interests include obstructive sleep apnea and narcolepsy. Dr. Melendres is rated as an Experienced provider by MediFind in the treatment of Duchenne Muscular Dystrophy. Her top areas of expertise are Duchenne Muscular Dystrophy, Cerebral Hypoxia, Obstructive Sleep Apnea, and Central Sleep Apnea.

Dr. J. Michael Collaco is a professor of pediatrics at the Johns Hopkins University School of Medicine. His clinical specialty is pediatric pulmonary medicine, including chronic lung disease of premature infants, lung disease in medically complex patients including ventilators and tracheostomies, hereditary hemorrhagic telangiectasia, aerodigestive disorders, and general pediatric pulmonary conditions. He sees patients inpatient and outpatient at Johns Hopkins (East Baltimore campus), inpatient and outpatient at Mount Washington Pediatric Hospital, and inpatient at Kennedy Krieger Institute. Dr. Collaco attended Yale University for undergraduate studies and received his M.D. and M.S. (Anatomy) from Case Western University School of Medicine in Cleveland, Ohio. He completed his pediatric residency, pediatric pulmonary fellowship, M.B.A., M.P.H., and Ph.D. (Clinical Epidemiology) at the Johns Hopkins University. Dr. Collaco joined the Johns Hopkins faculty in 2008. His primary research interest is in the epidemiology of pediatric respiratory diseases, with a focus on environmental risk factors for cystic fibrosis and bronchopulmonary dysplasia as well as a special interest in the effects of secondhand smoke and electronic cigarette emissions. He has published over 140 peer-reviewed articles. Dr. Collaco is a member of the Cystic Fibrosis Research Development Center and the Hereditary Hemorrhagic Telangiectasia Center of Excellence. He has been recognized by Johns Hopkins with the John C. Hume Scholarship, the Francis F. Schwentker Research Award, and the Robert Dyar Award. Dr. Collaco is a fellow of the American Academy of Pediatrics. Dr. Collaco is rated as a Distinguished provider by MediFind in the treatment of Duchenne Muscular Dystrophy. His top areas of expertise are Bronchopulmonary Dysplasia, Cystic Fibrosis, Pulmonary Hypertension, Pseudomonas Stutzeri Infections, and Gastrostomy.

Marina Ma is a Physiatrist and a Pediatrics provider in Washington, Washington, D.c.. Dr. Ma is rated as an Experienced provider by MediFind in the treatment of Duchenne Muscular Dystrophy. Her top areas of expertise are Focal Dystonia, Cerebral Palsy, Myotonia Congenita, and Paraplegia. Dr. Ma is currently accepting new patients.