Dr Tan serves as the Editor of the Suara FPMPAM, the Federation’s newsletter. He is also the past-President and current treasurer of the Kedah & Perlis Private Practitioners’ Association, and is the Managing Director of the Northern Nursing Home. Dr Tan is also the founding Director of Poliklinik PMPS Sdn Bhd, the Financial arm of PMPS Kedah/Perlis - actively involved in drug addiction treatment. He is a committee member of various other organizations such as Lembaga Tatatertib Peguam Peguam; the Addiction Medicine Association of Malaysia; the Committee for Health of Older Persons; and the Kedah Medical Board. Dr Tan is a Senior General Practitioner based in Alor Setar.