National Integrated Medical Association is the largest organization representing institutionally qualified ISM graduates who have undergone a conjoint study of Ayurveda/ Unani and Allopathic systems of medicine from the institutions recognized by CCIM (Central Council of Indian Medicine). Integrated system of medicine means a conjoint study, training and practice in indigenous medicine and modern medicine.

NIMA was established in Delhi on 14th April 1948 to achieve the honour , dignity and to uphold the interests of integrated Medical practitioners and to promote integrated Medical education and practices. NIMA has been working tirelessly to protect the rights of ISM graduates since its inception.