Mohamad Jaafar, MD

Michael Keller, M.D., is a pediatric immunologist at Children's National Hospital and specializes in the diagnosis and treatment of primary and secondary immunodeficiency disorders. He is the Director of the Jeffrey Modell Diagnostic and Research Center for Primary Immunodeficiency Disorders. He has authored many peer-reviewed articles and contributed to expert consensus guidelines on the treatment and diagnosis of primary immunodeficiency disorders. Dr. Keller is a member of theamerican Academy of Allergy, Asthma, and Immunology (AAAAI); the Clinical Immunology Society; the European Society of Immunodeficiency; and the Primary Immunodeficiency Treatment Consortium (PIDTC).

Priya Vaidyanathan, M.D., is a board-certified pediatric endocrinologist who has been on the staff of the Children's National Hospital since December 2005 soon after completing her pediatric endocrinology fellowship. She is the Director of the Thyroid Nodule and Cancer Program and Associate Director, Endocrinology Fellowship. She provides clinical care to patients with diverse endocrine needs, and her research interest is in the field of thyroid disorders.

With a health care experience designed around kids' unique needs, Children's National Hospital is the premier provider of pediatric services in the Washington, D.C., metro area and its only health system specializing in kids. Gary F. Rogers, M.D., J.D., LL.M., M.B.A., M.P.H., is an academic pediatric plastic surgeon and Chief of the Division of Pediatric Plastic Surgery at Children’s National Hospital.