Assam Oil Division Hospital at Digboi (with 200 beds) was established in 1906. This hospital caters to the population residing in Digboi and other nearby areas of the North East. Every year, about 1 lakh patients are treated at this hospital, out of which about 15% are non-employee patients. This hospital registers about 4,000 patients for indoor admissions and conducts operative procedures on about 2,000 patients every year. Health camps of general and specialized nature are also organized regularly by the hospital to reach out to the poor villagers in the vicinity, who have no access to medical consultations or treatment. During 2017-18, 14,669 non-employee patients were treated at this hospital.