MEDICAL AND HEALTH RESEARCH ASSOCIATION OF NEW YORK CITY, INC. (MHRA) Medical and Health Research Association of New York City, Inc. (MHRA) is an independent, not-for-profit, New York City-focused organization dedicated to improving the health of high-risk, underserved populations. MHRA provides health and related services, conducts demonstration and research programs, and offers management services in order to improve community health and strengthen health policy. Working in partnership with government agencies, community organizations, and educational institutions, MHRA is committed to responding quickly and effectively to public health challenges.