List of DOP divisions and chiefs Adolescent and Young Adult Medicine: S. Jean Emans, MD Developmental Medicine: William Barbaresi, MD Emergency Medicine: Richard G. Bachur, MD Endocrinology: Joseph Majzoub, MD Gastroenterology and Nutrition: Wayne I. Lencer. MD General Pediatrics: Mark A. Schuster, MD, PhD Genetics: Christopher A. Walsh, MD, PhD Hematology/Oncology: David A. Williams, MD Immunology: Raif S. Geha, MD Infectious Diseases: Dennis H Kim, MD, PhD Medicine Critical Care: Michael S. D. Agus, MD Molecular Medicine: Stephen C. Harrison, PhD Newborn Medicine: Stella Kourembanas, MD Nephrology: Friedhelm Hildebrandt, MD