The Overview Puteri Specialist Hospital (Johor) Sdn Bhd (PSH) is formerly known as Medical Centre (Johor) Sdn Bhd. It has been in operation since 1 June 1986 and was taken over by Johor Corporation on 1 March 1993. PSH is a subsidiary of KPJ Healthcare Berhad (KPJHB), the largest group of private healthcare provider In Malaysia. We are accredited by Malaysian Society For Quality in Health (MSQH) on 27/03/2013.