
Overview
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 12 conditions, according to our data. His clinical expertise encompasses Otitis, Otitis Media with Effusion, Laryngomalacia, Myringotomy, and Adenoidectomy.
Dr. Preciado is board certified in American Board Of Otolaryngology, 2021 and Otolaryngology: American Board Of Otolaryngology, 2003. He is actively involved in clinical research, co-authoring 151 peer reviewed articles and participating in 2 clinical trials.
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Locations
3023 Hamaker Court, Fairfax, VA 22031
1730 West Street, Annapolis, MD 21401
2900 Campus Way North, Lanham, MD 20706
111 Michigan Avenue Northwest, Washington, DC 20010
111 Michigan Avenue Northwest, Childrens National Telemedicine, Washington, DC 20010
111 Michigan Avenue Northwest, Washington, DC 20010
Clinical Research
Clinical research consists of overseeing clinical studies of patients undergoing new treatments and therapies, and publishing articles in peer reviewed medical journals. Providers who actively participate in clinical research are generally at the forefront of the fields and aware of the most up-to-date advances in treatments for their patients.
2 Clinical Trials
Telehealth Video Visit
George H. Zalzal, MD, FACS, FAAP, is the emeritus division chief of Otolaryngology at Children’s National Hospital. He is a fellowship-trained pediatric otolaryngologist (ear, nose and throat specialist) and a tenured 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 is internationally recognized for his expertise in pediatric airway management and is considered one of the world’s pioneering leading experts in pediatric laryngotracheal reconstruction and endoscopic management, such as supraglottoplasty for the treatment of severe laryngomalacia. 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 followed by residency from the American University of Beirut in 1983. Then did a two-year fellowship in Complex Pediatric Otolaryngology at Cincinnati Children’s Hospital (1983–1985) and stayed on staff for one year. He joined the faculty at Children’s National in 1986 and served as division chief for 28.5 years (1994–2022), during which time he expanded the division into a nationally and internationally recognized leader and training center in complex pediatric otolaryngology. Dr. Zalzal has trained over 60 fellows and many more residents over the years. Dr. Zalzal has authored more than 160 peer-reviewed publications and presented research at over 250 national and international meetings. He served as associate editor of JAMA Archives of Otolaryngology–Head and Neck Surgery for 10 years and currently serves on editorial review boards for multiple specialty journals. He also served as president of the American Society of Pediatric Otolaryngology (2003–2004). In recognition of his many contributions, Dr. Zalzal received the Distinguished Service Award from the American Academy of Otolaryngology and the Gabriel F. Tucker Award from the American Laryngological Association. Dr. Zalzal is highly rated in 6 conditions, according to our data. His clinical expertise encompasses Laryngomalacia, Stridor, Micrognathia, Adenoidectomy, and Endoscopy. Dr. Zalzal is board certified in American Board Of Otolaryngology, 2022 and Otolaryngology: American Board Of Otolaryngology, 1996.
Office
Amal Isaiah is a Pediatric Otolaryngologist practicing medicine in Baltimore, Maryland. Dr. Isaiah is highly rated in 6 conditions, according to our data. His clinical expertise encompasses Obstructive Sleep Apnea, Branchial Cleft Cyst, Enlarged Adenoids, Adenoidectomy, and Endoscopy.
Montgomery County
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 9 conditions, according to our data. His clinical expertise encompasses Retropharyngeal Abscess, Laryngomalacia, Obstructive Sleep Apnea, Adenoidectomy, and Myringotomy. Dr. Zalzal is board certified in American Board Of Otolaryngology, 2023 and American Board Of Otolaryngology, 2021.
Frequently Asked Questions about Dr. Diego A. Preciado
How do I make an appointment with Dr. Diego A. Preciado?
You can book an appointment with Dr. Diego A. Preciado by calling their office at 571-226-8380. MediFind provides direct contact information so you can schedule visits, second opinions, or consultations without navigating third-party calendars.
Is Dr. Diego A. Preciado a top-rated expert for Otitis?
MediFind is an objective health platform that identifies experts based on real-world data. Dr. Diego A. Preciado is classified as an Elite expert for Otitis, meaning they are among the top experts in the country for this condition. This ranking is based on their volume of patients, published research, and peer connections.
What conditions does Dr. Diego A. Preciado specialize in?
While Dr. Diego A. Preciado is a Pediatric Otolaryngology, they have specific expertise in Otitis, Otitis Media with Effusion, and Myringotomy. MediFind analyzes a doctor's articles and referral patterns to identify their specific areas of focus within Pediatric Otolaryngology.
Does Dr. Diego A. Preciado participate in research or clinical trials?
Yes. Dr. Diego A. Preciado has published 151 articles and abstracts on conditions like Otitis. You can view a list of Dr. Diego A. Preciado's latest peer-reviewed publications and clinical trial participation on their profile to see if they are active in new treatments.
Does Dr. Diego A. Preciado accept my insurance?
Dr. Diego A. Preciado accepts most major insurance plans, including Aetna and Anthem BCBS. We recommend calling the office directly at 571-226-8380 to verify that your specific plan is currently accepted before your visit.
Areas of Expertise
MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.
Learn more about MediFind’s expert tiers
- Elite
- OtitisDr. Preciado isElite. Learn about Otitis.
- Otitis Media with EffusionDr. Preciado isElite. Learn about Otitis Media with Effusion.
- Distinguished
- LaryngomalaciaDr. Preciado isDistinguished. Learn about Laryngomalacia.
- MyringotomyDr. Preciado isDistinguished. Learn about Myringotomy.
- Advanced
- Acquired TracheomalaciaDr. Preciado isAdvanced. Learn about Acquired Tracheomalacia.
- AdenoidectomyDr. Preciado isAdvanced. Learn about Adenoidectomy.
- Enlarged AdenoidsDr. Preciado isAdvanced. Learn about Enlarged Adenoids.
- Hearing LossDr. Preciado isAdvanced. Learn about Hearing Loss.
- Infant Hearing LossDr. Preciado isAdvanced. Learn about Infant Hearing Loss.
- Recurrent Respiratory PapillomatosisDr. Preciado isAdvanced. Learn about Recurrent Respiratory Papillomatosis.
- Experienced
- Autosomal Cleft PalateDr. Preciado isExperienced. Learn about Autosomal Cleft Palate.
- Branchial Cleft CystDr. Preciado isExperienced. Learn about Branchial Cleft Cyst.
- Choanal AtresiaDr. Preciado isExperienced. Learn about Choanal Atresia.
- CholesteatomaDr. Preciado isExperienced. Learn about Cholesteatoma.
- Congenital TracheomalaciaDr. Preciado isExperienced. Learn about Congenital Tracheomalacia.
- Deafness Hypogonadism SyndromeDr. Preciado isExperienced. Learn about Deafness Hypogonadism Syndrome.

