Sirindhorn National Medical Rehabilitation Institute (SNMRI) was found in 1988. It was established with cooperation between Saijaithai foundation and the National Rehabilitation Institute for the Disabled, Japan. SNMRI is a technical division of the Department of Medical Services, Ministry of Public Health. At the beginning, the centre mainly provided technical support. There were 12 personnel. The temporary office was at the building of Institute of Dentistry. Name of the centre was given by Her Royal Highness Princess Maha Chakri Sirindhorn in year 1991.

Since 1994, SNMRI has moved to operate at the new buildings and rehabilitation services for out-patients have been providing. The 30 beds in – patient services started in year 1995, and increased to 48 beds in 1996. The grand opening ceremony was in 2000.

Main roles
(Stated in Royal Thai Government Gazette, 3 June 1994)
1. Providing medical rehabilitation to people with disabilities and patients according to the Rehabilitation for People with Disabilities Act, B.E.2534.
2. Conducting research and development in medical rehabilitation as well as transferring knowledge and technology to health personnel.
3. Working with and supporting other sectors in relation to medical rehabilitation.
4. Providing technical support in medical rehabilitation field to health personnel and local health service providers.
5. Enhancing knowledge and skills in medical rehabilitation to health personnel and local health service providers.

Authorities
1. Coordinating policies and plans in medical rehabilitation for patients and people with disabilities.
2. Conducting research, studies, model development, project evaluation, and application of knowledge and technology in medical rehabilitation.
3. Promoting and supporting for knowledge transfer to health personnel.
4. Developing service systems in medical rehabilitation as well as networking with other health services in all levels.
5. Enhancing knowledge and skills in medical rehabilitation among health personnel.
6. Working in partnership with other organisations in both national and international levels.

Services
Number of in-patient beds : 48 beds
Level of care services : tertiary cares
Clients : people with mobility impairment and disabilities caused by cerebrovascular accident, spinal injury, cerebral palsy, amputation, and patients with musculoskeletal pain.