Dr. Stephen Berry’s research focuses on healthcare quality, safety and costs among persons living with HIV, both in the outpatient and inpatient settings. He conducts observational and interventional studies of sexually transmitted infection screening in HIV clinics, with a focus on improving performance to meet national guidelines. He leads observational studies of rates and reasons for hospitalizations and of 30-day readmission rates among HIV patients. He is conducting a randomized study of a nurse- and pharmacist-based team to reduce inpatient HIV medication errors and increase engagement in outpatient care among persons living with HIV who are hospitalized at The Johns Hopkins Hospital.