Beng has been a director and co-owner of Prahran Market Clinic since 1996.
Beng graduated from Melbourne University in 1987 and completed a diploma in Family Medicine in 1996 through Monash University. He holds a Sports Medicine Certificate ASMF. He previously worked in rural general practice in Gippsland, and with the Alfred Hospital Infectious Diseases Outpatients Unit for 10 years.
Effective March 2013, Beng was appointed to the Victorian Ministerial Advisory Committee for GLBTI Health. His clinical interests include HIV medicine, sexual health, sports medicine and addiction medicine.