Replaced the 1999 NHIS Act. Made health insurance mandatory for all Nigerians, transformed NHIS into the National Health Insurance Authority.
The NHIA Act overhauled Nigeria's health-insurance framework. The most consequential change: it made enrolment in a health insurance scheme COMPULSORY for all Nigerians (previously voluntary). It transformed the National Health Insurance Scheme into the National Health Insurance Authority — with regulatory powers over private HMOs and state-level schemes. Implementation has been slow but the legal framework is in place.