The Pediatric Nephrology Program offers comprehensive multidisciplinary treatment to children with conditions affecting the kidneys such as End Stage Renal Disease (ESRD) and hypertension. A dedicated social worker provides psychosocial services to patients and their families throughout the continuum of care. The bilingual (English/Spanish) social worker, Margaret Rivera, LCSW, is available Monday through Friday from 9:30 a.m. to 5:30 p.m. at (212) 746-4352.