Dr. Merchant is an emergency medicine physician, researcher, and epidemiologist. His research concerns social, behavioral, epidemiologic and health services delivery in the areas of emergency medicine, infectious diseases and public health.
Dr. Merchant has conducted federally and private foundation-funded research on HIV post-exposure prophylaxis provision, HIV screening and ethical concerns about HIV screening and testing. His current research focuses on reduction of substance misuse, promoting screening for HIV and hepatitis C, and creating educational videos about HIV testing for Spanish-speaking Latinos.