The Indonesian Society for Endocrinology (PERKENI) is a national organization in Indonesia with members consisting of endocrinology consultants and doctors with other specialties interested in the field of endocrinology. This organization had been established since 1978. PERKENI has 14 branches throughout Indonesia, which are Medan, Padang, Palembang, Bandung, Jakarta, Semarang, Yogyakarta, Surakarta, Malang, Surabaya, Bali, Makassar, Manado dan Banjarmasin. PERKENI headquarters is currently located in Jakarta, at the Division of Metabolism and Endocrinology at the University of Indonesia.