Medi Assist Insurance TPA Pvt. Ltd Medi Assist Insurance TPA Pvt. Ltd As India's largest TPA, we at Medi Assist focus on making health insurance benefits hassle-free, accessible and affordable to every Indian citizen. Our goal is to be an effective single point of contact between the various stakeholders in the healthcare ecosystem - the insured, the insurer and the medical service provider - and to simplify the complex world of healthcare and health insurance.