John Krall, MSW, LCSW John Krall, MSW, LCSW, is program manager for the Special Immunology Service at Children's Hospital of Philadelphia. Areas of Expertise: HIV/AIDS Locations: Specialty Care, Market Street Appointments and Referrals: 1-800-TRY-CHOP (1-800-879-2467) Education and Training Undergraduate DegreeBA - Columbia University, New York, NY Graduate DegreeMSW - Hunter College School of Social Work, New York, NY Titles and Academic Titles Program Manager