Key PointsQuestionIs a protocol-driven, team-based, multicomponent hypertension management program implemented in the public primary care setting associated with fewer complications and mortality in patients with hypertension?FindingsIn this cohort study that included 212 707 adults with uncomplicated hypertension, participation in the Risk Assessment and Management Program for Hypertension, offered in addition to usual primary care, was associated with clinically significant reductions in incidences of hypertension-related complications, all-cause mortality, and hospital-based health service use after 5 years.MeaningThis study’s results suggest that a protocol-driven, team-based hypertension management program incorporated into the public primary care setting is a viable strategy to reduce disease burden on health care systems due to hypertension.