Ikatan Dokter Indonesia (IDI) is the leading professional organization for physicians in Indonesia, headquartered in Lahat. Established in 1926, IDI plays a crucial role in supporting doctors across the nation while being affiliated with the Indonesian Ministry of Health. The organization's mission aims to promote ethical practice, professional development, and a robust sense of community among its members. IDI focuses on advancing medical research and innovation while ensuring that Indonesian doctors uphold high standards in their profession.

With a vision of creating independent and ethical physicians, IDI actively engages in improving medical education and provides a platform for professional collaboration. The organization has a rich history, having undergone several transformations and substantial milestones, including becoming a member of the World Medical Association. IDI also publishes the Majalah Kedokteran Indonesia, which serves as an official scientific journal. Through these initiatives, IDI strives to foster a healthier and more dignified society while positioning itself as a modern and transparent organization for all medical professionals in Indonesia.