Dr. George H. Zalzal

Diego Preciado, MD, PhD, FACS, FAAP, is a fellowship-trained pediatric otolaryngologist (ear, nose and throat specialist) and serves as division chief of Otolaryngology at Children’s National Hospital. He holds the Joseph E. Robert, Jr. Endowed Chair in Pediatric Otolaryngology and is a professor (with tenure) of surgery and pediatrics at the George Washington University School of Medicine and Health Sciences. He is board-certified by the American Board of Otolaryngology–Head and Neck Surgery and holds subspecialty certification in Complex Pediatric Otolaryngology. Born in Minneapolis and raised in Panama, Dr. Preciado returned to the United States after high school and graduated cum laude from Georgetown University in 1992. He earned both his medical and doctoral degrees from the University of Minnesota. He completed his residency in Otolaryngology–Head and Neck Surgery at the University of Minnesota (1998–2002), followed by a fellowship in Complex Pediatric Otolaryngology at Cincinnati Children’s Hospital (2002–2004). Dr. Preciado joined the faculty at Children’s National in 2006, where he leads complex tertiary referral surgical programs in pediatric airway reconstruction, childhood hearing loss and cochlear implantation, and velopharyngeal dysfunction. In addition to his clinical work, he directs a translational research program focused on pediatric otolaryngologic disease. His research has been supported by numerous intra- and extramural funding sources, including NIH R01, U01 and R21 grants. He has authored more than 175 peer-reviewed research manuscripts, 25 book chapters and three edited volumes. In 2020, he received the Robert Ruben Scientific Achievement Award from the Society for Ear, Nose and Throat Advances in Children. He has served as president of the American Society of Pediatric Otolaryngology (2020–2021) and the International Society for Otitis Media (2019–2023). He currently serves on the Board of Directors of the American Board of Otolaryngology–Head and Neck Surgery. Dr. Preciado has been married to Argentinian architect Magali Remudo since 2004, and together they are the proud parents of four children. In his spare time, he enjoys running, grilling over wood flame and reading contemporary fiction. Dr. Preciado is highly rated in 9 conditions, according to our data. His clinical expertise encompasses Otitis Media with Effusion, Laryngomalacia, Recurrent Respiratory Papillomatosis, Myringotomy, and Adenoidectomy. Dr. Preciado is board certified in Otolaryngology: American Board Of Otolaryngology, 2003 and American Board Of Otolaryngology, 2021. Dr. Preciado is currently accepting new patients.

Habib Zalzal, MD, FACS, is a fellowship-trained pediatric otolaryngologist (ear, nose and throat specialist) at Children’s National Hospital and an assistant professor of surgery and pediatrics at the George Washington University School of Medicine and Health Sciences. He is board-certified by the American Board of Otolaryngology–Head and Neck Surgery and holds subspecialty certification in Complex Pediatric Otolaryngology. Dr. Zalzal practices the full breadth of pediatric otolaryngology, with clinical interests including airway disorders, otology, rhinology, head and neck surgery and sleep surgery. He provides complex pediatric ENT care at Children’s National as well as general ENT services at affiliated ambulatory sites. He earned his medical degree from Georgetown University in 2015. Dr. Zalzal completed his residency in Otolaryngology–Head and Neck Surgery at West Virginia University (2015–2020), followed by a fellowship in Complex Pediatric Otolaryngology at Children’s National Hospital/George Washington University (2020–2021). Dr. Zalzal has authored more than 40 peer-reviewed manuscripts in the field of otolaryngology and is an active member of several professional organizations and committees. He has presented his research at both national and international conferences and currently serves on the Pediatric Otolaryngology Education Committee of the American Academy of Otolaryngology–Head and Neck Surgery. In 2024, he received the Excellence in Patient Experience Commendation for achieving the highest care provider rating at Children’s National Hospital. Publications ORCiD. Dr. Zalzal is highly rated in 7 conditions, according to our data. His clinical expertise encompasses Retropharyngeal Abscess, Laryngomalacia, Enlarged Adenoids, Adenoidectomy, and Myringotomy. Dr. Zalzal is board certified in American Board Of Otolaryngology, 2023 and American Board Of Otolaryngology, 2021.

Pamela Mudd, MD, MBA, FAAP, is a fellowship-trained pediatric otolaryngologist (ear, nose and throat specialist) at Children’s National Hospital and an associate professor of surgery and pediatrics at the George Washington University School of Medicine and Health Sciences. She is board-certified by the American Board of Otolaryngology–Head and Neck Surgery and holds subspecialty certification in Complex Pediatric Otolaryngology. Dr. Mudd specializes in pediatric voice disorders and head and neck surgery. She is the director of the Voice and Vocal Cord Dysfunction Clinic and is internationally recognized for her work in the management of vocal cord immobility and paralysis. Dr. Mudd has pioneered programs focused on early intervention in vocal function rehabilitation, offering advanced treatments such as injection laryngoplasty, reinnervation surgery and vocal scar surgery. She collaborates closely with the Speech and Swallow Therapy team to provide comprehensive diagnosis and post-treatment care. In addition, she is a specialist in laryngeal dyspnea and voice changes related to puberty. Dr. Mudd also serves as the surgical director of the Thyroid Nodule and Thyroid Cancer Clinic, a multidisciplinary program that provides coordinated care for patients with genetic, autoimmune and neoplastic thyroid disorders. She offers complex pediatric ENT care at Children’s National Hospital as well as general ENT services at affiliated ambulatory sites. She earned her medical degree from Creighton University School of Medicine in 2007. Dr. Mudd completed her residency in Otolaryngology–Head and Neck Surgery at the University of Colorado Health Sciences Center (2007–2012), followed by a fellowship in Complex Pediatric Otolaryngology at the Children’s Hospital of Philadelphia (2012–2014). Dr. Mudd is highly rated in 4 conditions, according to our data. Her clinical expertise encompasses Stridor, Micrognathia, Enlarged Adenoids, Gastrostomy, and Endoscopy. Dr. Mudd is board certified in Otolaryngology: American Board Of Otolaryngology, 2013. Dr. Mudd is currently accepting new patients.