Tehran University of Medical Sciences (TUMS) is the largest and most prestigious medical university in Iran. Dr Langarani, Iran's Minister of Health, Treatment and Medical Education, described TUMS as a pioneer in research across the country, significantly ahead of its fellow universities, in September 2008. It was formed in 1851 as part of Dar ol-Fonun and eventually merged with Tehran University of Medical Sciences in 1934. It is located in Tehran, near Tehran's main university campus. In 1986, the Legislature was removed from the University of Tehran, and it became part of the new Ministry of Health, Therapy and Medical Education. TUMS is recognized as one of the best research institutes in Iran, with a government research budget of over 300 billion rials. 13,000 students (40 percent of whom are women) are trained in 290 undergraduate, graduate and non-degree (short course) programs.

The university has 11 schools, 16 teaching hospitals and more than 44 libraries, and produces 58 periodicals, some of which are affiliated with academic groups. The institute also hosts the National Museum of the History of Medical Sciences. TUMS is awarded Premier status (ASIC UK) by the Accreditation Service for International Colleges and Universities. It has the largest medical, dental, pharmacy, rehabilitation, allied medical sciences, public health, advanced medical technologies, nutritional sciences and dietetics, nursing and midwifery and virtual school in Iran. The university has more than a hundred specialized research centers including Medicine, Rheumatology, Audiology, Digestive Diseases, Skin Diseases and Leprosy, Trauma, Hematology and Oncology, Cardiovascular Diseases, Endocrinology and Metabolism, Reproductive Health, Urology, Immunology, Immunology, Immunology, Immunology, Medicine. Supervises. and asthma and allergies.